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Yuval Yeret

Kanban development oversimplified: a simple explanation of how Kanban adds to the ever-... - 0 views

agileproductdesign.com/...kanban_over_simplified.html

lean kanban

shared by Yuval Yeret on 03 Jun 09 - Cached
  • It’s a lot easier to estimate a story that’s small — which can lead to more accurate estimates, and better predictability.
  • It’s easier to plan with smaller stories. With big stories — stories that might take weeks for a developer to implement — it becomes difficult to plan a development time-box — particularly when the iterations are only a couple of weeks. It seems that only a couple stories fit — and there’s often room for half a story — but how do you build half a story? Splitting them into smaller stories makes it easier to plan those time-boxes.
  • Shrinking stories forces earlier elaboration and decision-making. Where product owners could write their stories fairly generally and consider many of the details later, now breaking them down into smaller stories forces more thinking earlier in a planning lifecycle.
  • ...36 more annotations...
  • Managing little stories forces us to keep better track of how they fit together. Product owners are often asked to break down stories to a level where a single story becomes meaningless. To keep track of what’s meaningful to them and other stakeholders, they often need to keep track of bigger items such as the features of the product and how many stories contribute to building up that feature.
  • The result of these herniated time-box activities is a cycle that’s actually 3-4 times longer than our time-box. To get work done, we’ll use a time-box to elaborate stories, one to develop them, another to more thoroughly test them, and if there are bugs, possibly another to fix them.
  • During an ideal Agile time-box we’ll have frequent discussions between developers, testers, and those on a product owner team — like business analysts, user experience people, and business people. We’ll do this to understand what we need to build and describe what we’ll do to validate the story was really done. When time-boxes are short, there’s less time for this conversation. It’s common to move many of the conversations to detail the story and describe acceptance to the time-box before so we can be ready to really get moving with development when the time-box starts.
  • It’s difficult to fit thorough validation of the story into a short time-box as well. So, often testing slips into the time-box after. Which leaves the nasty problem of what to do with bugs� which often get piped into a subsequent time-box.
  • Anyone who’s attended an Agile planning meeting knows they can often last about an hour longer than you can stand it
  • As time-boxes shrink those on the product owner team and testers find themselves in a constant mode of getting ready for a next time-box and evaluating past time-boxes
  • work long hours, attend lots of meetings, and seem to have less time to be available to help developers with the current time-box. Since their focus is on a future or past time-box, questions about this time-box seem like interruptions. Collaboration decreases and tensions increase. Their work load is heavy, bumpy, not smooth or even.
  • Kanban cards are used to limit the amount of inventory the factory builds. It doesn’t do the Toyota factory any good to build doors faster then they can assemble cars. It just wastes money on excess doors, and parts of doors. Excess work in progress is considered to be waste in Lean manufacturing. (It’s probably waste in non-Lean manufacturing too.) In the above completely made up example, you’ll never have more than 15 finished doors hanging around. (Mudha is Japanese for waste. Learn it to impress your Lean friends.)
  • “Kan” means visual, and “ban” means card or board.
  • Kanban thinking in software development attempts to do a similar thing. We want to limit unnecessary work in progress to be no higher than it needs to be to match the throughput of the team.
  • In Kanban development: time-boxed development is out stories are larger and fewer estimation is optional or out completely velocity is replaced by cycle time
  • Exactly what’s left of Agile if we get rid of time-boxes, change the meaning of stories, and stop measuring velocity. And, exactly what do car doors and Kanban cards have to do with software development? Don’t get hung up on process. Remember, agile development isn’t a process.
  • You might have a column where business analysts spend time tracking down technical details that developers need to understand to write code.
  • These columns aren’t set. You should discuss with your team the phases that stories go through to be completed. Some organization may use columns for writing documentation, or preparing customer service people to support the feature in production.
  • The top is used for stories currently in progress in that phase. The bottom is the buffer. When work for that phase of the story is completed, it moves from “in progress” to the “buffer” where it’ll wait to be pulled into the next phase.
  • When we set limits for work in progress, we’ll set a total number for the process step that includes both “in process” and the “finished buffer” for that process step.
  • Stories must be minimal marketable features
  • To be marketable the feature needs to be large enough to be useful — probably larger than the teeny stories that take a couple days to build and seem to be best practice in Agile development today. A MMF may take weeks to build. But the important thing isn’t how long it takes to build, but that it be understandable and valuable to those who’ll receive it. To identify a MMF some folks ask the question “Would I announce it in my company’s product blog?” If it’s too tiny to mention, then it’s not a MMF.
  • To be lean, we’ll limit the number of stories we allow onto the board. A common formula is to add up all the members of the team in all roles and divide by two. All roles includes developers, analysts, user interfaced designers, testers, deployment people — anyone immediately responsible for getting features to market. For example, if team members total 20, we might limit the number of MMF-style stories on the board to 10.
  • Today developers have finished a story, and s they walk to the Kanban board to move it out of development, they notice their single buffer slot is full — and the “testing in progress” column is filled to its limit. What now? The developers talk to the testers. “We’re really struggling to keep up here. It’ll be till tomorrow morning before we can get some of these stories moved out.” “Hmm�” says a developer “Can we help test?” “Of course you can!” says the tester. “With your help we can get these cleared out by the end of the day.“ The tester grins “I just don’t want you validating a story you implemented.”
  • For the limits of the story process steps, the limit is often half the number of people that can perform the work for that phase of development. For instance if you have 6 developers, you might limit the development in progress column to 3. Now, this will force developers to work together on stories. I do find in practice that this may not work out for all teams — so I often see limits that equal the number of developers (or those that can perform the process step) or often 1.5 * the number of people in a role. Of course if you do this, it’ll raise the overall work in progress — and as you might expect, items will take longer to finish.
  • When a column in a Kanban board is full, we know that group is at capacity. We also know that if this keeps happening that that process step is likely where a bottleneck is.
  • If you’ve ever waited in line for the Pirates of the Caribbean in Disneyland you might remember signs along the way that say “Your wait time from here is 30 minutes” — something like that. Now you can post your own wait times on your Kanban board. At the bottom of your story queue post the average cycle time with wait time. It’ll say something like “Your wait time for a story here is approximately 18 days.” At the top of the queue post the average working cycle time. It might say “your wait time from here is 14 days.”
  • When you place focus on how quickly you can get functionality done, and have the ability to measure just that, then the estimates don’t much matter. In fact, many using a Kanban approach have simply stopped estimating at all. Yes story sizes vary, but being able to give a wait time plus or minus a few days is sufficient for many organizations’ concerns.
  • But, since there’s no development time-box in Kanban development, we’ll measure story-by-story how long they took to complete — the “cycle time” of the story.
  • Some do still estimate stories. Then use those estimates in conjunction with cycle time. Using a spreadsheet we can calculate the average cycle time for stories with a given estimate. If you do this, consider placing a handy chart next to your Kanban board showing estimate in one column, and wait times in adjacent columns. With this you’re answering the real question stakeholders are asking for when they get estimates: “when am I going to see this functionality in the software?”
  • If your stakeholders are like mine, they don’t want to know when they’re going to get this functionality, the want to know when they’re going to get all this functionality. I find that if I place stories into a spreadsheet with start and end dates, and calculate cycle time, if I select an arbitrary time period — say a two or three week time period — I can see how many stories where completed during this time period. For instance I might see the team finished 22 stories in 3 weeks — that’s about 7.3 stories per week. Given a backlog of 100 stories I can reasonably infer that it’ll take between 13 and 14 weeks (100/7.3). That’s yesterday’s weather for Kanban — at least the way I calculate it.
  • If I know that during three week time period there where 15 working days and that 5 developers worked the entire time, that’s 75 developer days. Knowing that lets me calculate the average number of developer days per story: 3.4 (75/22) — Which is darn close to pi — which makes me believe it has to be right. ;-) This number, 3.4, is what XP practitioners referred to as load factor.
  • Evaluation cycles, not development time-boxes
  • The only difference is the cycles aren’t used to plan and commit to stories any longer.
  • The daily standup or daily scrum meeting occurs as normal, but now it occurs in front of the Kanban board. Instead of the regular meeting ritual of checking in with each person to find out what they worked on yesterday and will work on today, the discussion revolves around the Kanban board and what will likely move on and off the board today, where “traffic” seems the heaviest, and what we could do to clear bottlenecks.
  • Reflect every few weeks
  • Lean practices help teams increase throughput. They don’t make developers type faster, rather they draw attention to bottlenecks that slow things down, help you see them and respond to them quicker. Using a Kanban board lets you easily visualize work in progress across different roles and lets you see when someone is taking on too much work simultaneously.
  • Demonstrate every few weeks
  • A task board as it’s commonly used in an agile approach can give you the visualization too. But, widening the task board to separate testing from development from acceptance or other process steps helps me better visualize where things are clogging up — helps me better diagnose problems. And, setting hard limits for process steps and respecting them really makes me deal with the problem in a way that dropping a pile of stories into a sprint or iteration didn’t. But, maybe it’s just me who’s lazy and avoids dealing with tough problems. I’m sure you’d never run into a situation where you and your team let lots of finished development work pile up waiting to be tested.
  • There’s no one as zealous as the newly converted There’s a lot of folks pretty excited about Kanban out there. I am too. Sometimes that zeal takes the form of telling people practicing common agile time-boxed development that they’re wrong. But, I guess I’m crusty enough to know that there’s lots of right ways to succeed and anyone who believes they’ve found the best ways is likely wrong. Don’t let those voicing opinions strongly for, or against, Kanban approaches stop you for digging in deeper and understanding the ideas behind it.
  • Yuval Yeret on 03 Jun 09
     
    one of the best articles about Kanban and its relation to Agile I've encountered so far - focusing on Feature development (not maintenance)
Yuval Yeret

Tailor your Message To Gain Support for your Agile Initiative | Enabling Agility - 0 views

www.enagility.com/r-your-message-to-gain-support

tailor agility agile adoption transformation

shared by Yuval Yeret on 21 May 09 - Cached
  • Connect Agile’s Benefits to your Company’s Priorities
  • aying that Agile is “better, faster, cheaper” may not be enough to cause a company to be willing to go through the often-painful process of cultural and process change.  You could implement Agile, but you could also try Six Sigma or Lean.  Saying that Agile is a general get-better remedy puts it in line with many other get-better methods.
  • f they don’t see a meaningful update from us, at least once a quarter, we’re going to get kicked out of the game.  We’ve all acknowledged that as we’ve gotten bigger, our processes have become more cumbersome and now is the time to do something about it.  Agile will give us the ability to regain that rapid pace of delivering innovations to market that we were know for in our early days.”
  • ...21 more annotations...
  • ur last two releases have looked like me-too updates, where we are just barely keeping up with our competitors
  • We’ve been losing market share
  • If you can refer to a specific business issue and show the linkage, you are much more likely to get a receptive audience.  Here’s an example.
  • The CFO, developer and QA manager have different roles in the organization and their needs are different.  If you want to enlist their support, be sure you know who you are talking to and what they value.
  • Use Focused Messages for Key Individuals or Groups
  • certain volume of people who are enrolled in the idea of Agile before you’ll see adoption start to accelerate,
  • People have specific needs in their role and they want to understand how Agile will affect and benefit them directly.  
  • Developers, on the other hand, probably wants to know if they will have interesting work, the opportunity to learn new things and the ability to make an impact on the company’s products.
  • a QA manager is probably interested in hearing how Agile helps enrich the QA profession.
  • The focus isn’t on Agile, its on business, as it should be.
  • The easiest way to find out what interests someone is to ask them.  When you meet, leave plenty of time for talk.  Motoring through a well-rehearsed Agile presentation usually doesn’t work.  A lot of times I’ll have slides with me, but they are a backdrop for the conversation.  I’ll refer to slides when it helps move the conversation along, but otherwise don’t use them.  You might want to forget slides altogether and just draw things on a whiteboard as necessary.  This technique is particularly useful with an individual or a small group.  
  • Take it One Step Further: Collect Data to Gain Insight
  • you’ll be most effective tailoring your message if you invest some time conducting data through a series of structured interviews. 
  • First, you’ll need a small set of questions prepared for the interviews.  Here are some examples. What is working with our current methodology? What’s not working with our current methodology? How do you think Agile would help our organization? What concerns do you have about Agile?
  • Interview a wide range of people: developers, testers, business analysts, managers, product managers, senior management, project managers and someone from finance. 
  • When you conduct the interviews, it is good to have one interviewer who has the primary responsibility for talking and the other person who has the primary job of taking notes.  You can switch off roles each interview so no one person gets stuck in either role.  Here’s how I typically start off.  
  • stories that people tell about the organization and make sure you write them down
  • I put all of the information we’d gathered into a mind-mapping program (Mindjet) and grouped like things together.
  • Make sure you keep interesting stories intact.  Specifics will help you make your cases
  • When there’s numerical data, people engage with a presentation in an entirely different way than they do when there are stories.  I find stories more effective, but do what works for you.
  • As an Agile evangelist, you job is to get Agile deployed effectively.  Along the way there are many people will be willing to go out of their way to help if you effectively speak to their interests and concerns.
Yuval Yeret

InfoQ: Ensuring Success for Self Organizing Teams - 0 views

www.infoq.com/...lf-organization-success-factor

agile management self_org

shared by Yuval Yeret on 08 Jul 09 - Cached
  • Helicopter Managers – who step in too soon to rescue thereby depriving the team to think and solve problems together.
  • Absentee Managers – who would not step in at all irrespective of whether the team has all the necessary skills to tackle the problem.
  • If the team has sufficient skills to solve the problem then give them space else ask questions to help them get unstuck. This would help in building the skills eventually.
  • ...7 more annotations...
  • When time is not of the essence give the team time to work the issue. This would improve the team feeling and collaboration.
  • If the solution space is limited in scope and impact, or the decision is reversible, give the team space to solve the problem, even it there's a good chance they'll get it wrong the first time.
  • Tolerate mistakes and allow time for learning – management should not jump in at the first problem. They should allow the team to learn from their mistakes and take corrective action on their own.
  • Clearly define the boundaries – Without this the team is lost on how much they can manage themselves and when should they invoke management help. Without the definition of boundaries, teams err on side of caution and do not take any decision without seeking permission.
  • Keep the team challenged, yet not frustrated- The manager should be aware of the team’s skill level and limitations. He should be able to provide the team with enough challenges to keep them in a state of learning and growth.
  • emphasis on the balanced involvement of management with the team
  • It is important for the managers to be aware of the skill level of the team to step in or stay back at the right moment and act as a catalyst for the team to reach a state of self organization
Yuval Yeret

Challenging Why (not if) Scrum Fails | NetObjectives - 0 views

www.netobjectives.com/...questioning-why-scrum-fails

shared by Yuval Yeret on 22 May 09 - Cached
  • I do believe for Scrum to work beyond the team you need more than Scrum
  • what to add to Scrum making it more effective when it won't readily work
  • lack of team agility is not always the major impediment to Enterprise Agility
  • ...12 more annotations...
  • While starting at the team level with Scrum is often good, you often need to start with the product management team - that is, where product enhancements to be worked on are selected
  • Even when Scrum works at the team level, organizations very often report little impact to the bottom line.  While this is better than nothing (if the teams are happier, that's good), it usually doesn't justify a huge investment
  • in many contexts in which Scrum does not work readily, Scrum has no power to improve the context in which it is in.  In other words, the impediments that one must fix are often outside of the scope of what Scrum helps you do.
  • These impediments are often not even seen or if they are, are often viewed as "just the way it is."
  • certain Scrum attitudes often makes things worse
  • Scrum does little to let management to know how the team works or what impact management decisions have on the team
  • There is almost a religious zeal that Scrum tells you little of what to do
  • While SoS works well for certain types of work, it does not work well when the different teams have different motivations. 
  • the high failure rate is due to the fact that Scrum works in certain contexts but has little ability to change the contexts in which it doesn't work wel
  • One needs to pay attention to where to start as well as see how to change the context.  Separating the team from management doesn't help.  Focusing on only the team part of the value stream - giving little guidance both up and downstream of the team also doesn't help.  Lean provides guidance here (meaning Scrum with the aid of Lean could provide insights),
  • look into using Lean as a context for any improvement in your software development organization
  • While Scrum may be an appropriate choice in many circumstances, other methods may be better (e.g., Kanban Software Development).  Scrum's rapid ascension probably has more to do with its success in the places it easily fits.  Now that it is past the early adopter phase, we may see it having even a harder time as people attempt to scale it.
Yuval Yeret

How Google Sold Its Engineers on Management - 0 views

hbr.org/...ld-its-engineers-on-management

last-materials

shared by Yuval Yeret on 16 Mar 16 - No Cached
  • A good manager: 1. Is a good coach 2. Empowers the team and does not micromanage (See the sidebar “How Google Defines One Key Behavior”) 3. Expresses interest in and concern for team members’ success and personal well-being 4. Is productive and results-oriented 5. Is a good communicator—listens and shares information 6. Helps with career development 7. Has a clear vision and strategy for the team 8. Has key technical skills that help him or her advise the team
  • Employees with high-scoring bosses consistently reported greater satisfaction in multiple areas, including innovation, work-life balance, and career development
  • high-scoring managers saw less turnover on their teams than the others did—and retention was related more strongly to manager quality than to seniority, performance, tenure, or promotions
  • ...1 more annotation...
  • The key behaviors primarily describe leaders of small and medium-sized groups and teams and are especially relevant to first- and second-level managers. They involve developing and motivating direct reports, as well as communicating strategy and eliminating roadblocks—all vital activities that people tend to overlook in the press of their day-to-day responsibilities.
Yuval Yeret

tips on reviving retrospectives from the retrospectives yahoo group - 0 views

finance.groups.yahoo.com/...1575

agile retrospectives agilesparksblog

shared by Yuval Yeret on 08 Jul 09 - No Cached
  • Has the team made changes that make a difference to them as a result of the retrospective?
  • Has the team explored a variety of different topics/areas, or do they stick to pretty much the same agenda around continuous improvement? What is the balance of change/improvement work vs. working on the product?
  • For example, try looking at technical practices, teamwork, or customer relationships... choose what ever seems most relevant to bound the discussion. That might help the team dig deeper and find issues that have more significance for them (now...I'm sure the other changes were significant at the time).
  • ...14 more annotations...
  • Try a 'speed retrospective'. How quickly can the team get together and find one good, solid improvement to make? Make it exciting and use a stopwatch. I wouldn't do this all the time, but again, what harm to try it once?
  • How about one retrospective where you set yourselves the challenge of generating actions from the "What did we do well" column? In other words, find an action designed to magnify an existing positive rather than remedy an existing negative.
  • How about a 'Show and Tell' retrospective where every team member comes to the meeting with an action item and its explanation already prepared? The retrospective would really be each person presenting their idea in turn.
  • How about a retrospective wherein you challenge yourselves to come with a new approach to retrospectives that is so exciting that people would skip other work activities to attend?
  • I find it very important to revisit the outcome of the past retrospective and celebrate the things the team had been able to do differently.
  • The major thing is to make the changes visible and memorizable for everyone and not assuming that people remember what they decided on in the last retro.
  • Another thing is that I would invite team members to take turns in facilitating the retro. So not always the same person runs the retro (this typically also changes the format and techniques a bit).
  • - Heartbeat Retrospective (google for Boris Gloger)
  • - Temperature Reading
  • - Team Radar Chart
  • - Our project / team / product ship - draw a ship on a flip chart, ask the team what moved the ship forward, what blocked it
  • Just to add a totally different direction: I've made good experiences with having a *long* retrospective every few months. The short retrospectives are great to see the trees and optimize the daily work. A two or even three day retrospective helps the team to step back and watch the forrest instead.
  • It is important to get at least one item done every sprint. If you do the retro, but don't implement any of the actions, this is a tremendous demotivator. Better one thing finished that you can celebrate than 5 unfinished things in the queue.
  • Variety is the spice of life, so some variation is essential to keep the freshnees. Change the moderator, do technical focus once, then organisational, then "improving the fun factor", then go back to a general retro.
Yuval Yeret

Growth Facilitator role on an OpenAgile team | Agile Advice - Working With Agile Method... - 0 views

www.agileadvice.com/...growth-facilitator-role

agileblog agile

shared by Yuval Yeret on 07 Jun 09 - Cached
  • The responsibility of the Growth Facilitator is about more than simply prioritizing New Work goals and tasks. I see the role as contributing to the organizational culture, and helping to build the business in a sustainable way.
  • As Growth Facilitator, I am also responsible for guiding the team toward delivering greater value for our stakeholders. At Berteig Consulting, our stakeholders don’t just include the company’s owners. Our stakeholders include a wide range of groups, including customers, suppliers, employees, and our families, all without whose support nothing we do would be possible. Delivering value to our stakeholders requires that we keep them in mind when we commit to our tasks each week.
  • When I first started, I made goals that were broad, saying for example “to take care of our clients” or “to work at a sustainable pace.”
  • ...2 more annotations...
  • Berteig Consulting can update the Certified ScrumMaster course content so that all CSM course participants receive the best value in the market.” As soon as I made the direction clear, the team self-organized and generated tasks required to achieve each goal.
  • As the Process Facilitator goes about helping the team overcome obstacles, it can become clear that the team needs to address a systemic challenge during one of the upcoming Cycles. The Growth Facilitator then states the need as a Cycle goal in a S.M.A.R.T. format, allows the team time to give feedback, and prioritizes the goal in the New Work list. When the goal is brought to a future Cycle Commitment Meeting, the team breaks the goal into tasks and solves the systemic obstacle that the Process Facilitator identified.
  • Yuval Yeret on 07 Jun 09
     
    Who is the Agilesparks Growth Facilitator? Who's the Process Facilitator for that matter? Interesting reading. Important aspect of managing self-organizing teams in my oppinion
Yuval Yeret

Is Design Dead? - 0 views

www.martinfowler.com/...designDead.html

eng-practices-list

shared by Yuval Yeret on 10 Dec 14 - Cached
  • In its common usage, evolutionary design is a disaster. The design ends up being the aggregation of a bunch of ad-hoc tactical decisions, each of which makes the code harder to alter. In many ways you might argue this is no design, certainly it usually leads to a poor design. As Kent puts it, design is there to enable you to keep changing the software easily in the long term. As design deteriorates, so does your ability to make changes effectively. You have the state of software entropy, over time the design gets worse and worse. Not only does this make the software harder to change, it also makes bugs both easier to breed and harder to find and safely kill. This is the "code and fix" nightmare, where the bugs become exponentially more expensive to fix as the project goes on
  • the planned design approach has been around since the 70s, and lots of people have used it. It is better in many ways than code and fix evolutionary design. But it has some faults. The first fault is that it's impossible to think through all the issues that you need to deal with when you are programming. So it's inevitable that when programming you will find things that question the design. However if the designers are done, moved onto another project, what happens? The programmers start coding around the design and entropy sets in. Even if the designer isn't gone, it takes time to sort out the design issues, change the drawings, and then alter the code. There's usually a quicker fix and time pressure. Hence entropy (again).
  • One way to deal with changing requirements is to build flexibility into the design so that you can easily change it as the requirements change. However this requires insight into what kind of changes you expect. A design can be planned to deal with areas of volatility, but while that will help for foreseen requirements changes, it won't help (and can hurt) for unforeseen changes. So you have to understand the requirements well enough to separate the volatile areas, and my observation is that this is very hard. Now some of these requirements problems are due to not understanding requirements clearly enough. So a lot of people focus on requirements engineering processes to get better requirements in the hope that this will prevent the need to change the design later on. But even this direction is one that may not lead to a cure. Many unforeseen requirements changes occur due to changes in the business. Those can't be prevented, however careful your requirements engineering process.
  • ...6 more annotations...
  • The fundamental assumption underlying XP is that it is possible to flatten the change curve enough to make evolutionary design work. This flattening is both enabled by XP and exploited by XP. This is part of the coupling of the XP practices: specifically you can't do those parts of XP that exploit the flattened curve without doing those things that enable the flattening. This is a common source of the controversy over XP. Many people criticize the exploitation without understanding the enabling. Often the criticisms stem from critics' own experience where they didn't do the enabling practices that allow the exploiting practices to work. As a result they got burned and when they see XP they remember the fire.
  • XP's advice is that you not build flexible components and frameworks for the first case that needs that functionality. Let these structures grow as they are needed. If I want a Money class today that handles addition but not multiplication then I build only addition into the Money class. Even if I'm sure I'll need multiplication in the next iteration, and understand how to do it easily, and think it'll be really quick to do, I'll still leave it till that next iteration.
  • You don't want to spend effort adding new capability that won't be needed until a future iteration. And even if the cost is zero, you still don't want to add it because it increases the cost of modification even if it costs nothing to put in. However you can only sensibly behave this way when you are using XP, or a similar technique that lowers the cost of change.
  • My advice to XPers using patterns would be Invest time in learning about patterns Concentrate on when to apply the pattern (not too early) Concentrate on how to implement the pattern in its simplest form first, then add complexity later. If you put a pattern in, and later realize that it isn't pulling its weight - don't be afraid to take it out again.
  • begin by assessing what the likely architecture is. If you see a large amount of data with multiple users, go ahead and use a database from day 1. If you see complex business logic, put in a domain model. However in deference to the gods of YAGNI, when in doubt err on the side of simplicity. Also be ready to simplify your architecture as soon as you see that part of the architecture isn't adding anything.
  • XP design looks for the following skills A constant desire to keep code as clear and simple as possible Refactoring skills so you can confidently make improvements whenever you see the need. A good knowledge of patterns: not just the solutions but also appreciating when to use them and how to evolve into them. Designing with an eye to future changes, knowing that decisions taken now will have to be changed in the future. Knowing how to communicate the design to the people who need to understand it, using code, diagrams and above all: conversation.
Yuval Yeret

From the Agile Transformation Trenches: Borland Agile Assessment 2009 - 1 views

borland.typepad.com/...and-agile-assessment-2009.html

shared by Yuval Yeret on 03 May 09 - Cached
  • We measure progress in business-valued terms such as time-to-value, cost/benefit ratio and customer satisfaction.
  • There is no "score" to this assessment.  It is administered anonymously with results reported in aggregate.  This is a diagnostic tool to help us all reflect on our processes and identify ways to improve.  It cannot measure "improvement" from a previous assessment, only relative importance of potential improvements to our current situation.  
  • inally, this is not a competition.  The results will be most useful in helping you reflect on your current circumstances and establish priorities within your teams on areas of potential growth.
Yuval Yeret

Scrum Log Jeff Sutherland: The Managers Role in Scrum - 1 views

jeffsutherland.com/...managers-role-in-scrum.html

agileblog agile management managers

shared by Yuval Yeret on 01 Jun 09 - Cached
  • managers handle 'external stuff' to the team
  • ontract negotiations and procurement.
  • he role that a line manager plays in an employee's personal and professional development, often in the form of coaching or assisting in HR-related issues
  • ...11 more annotations...
  • - (1) Provides organizational vision- (2) Removes impediments- (3) Assists with individual development- (4) Challenges team beyond mediocrity while respecting team boundaries- Helps individuals without sucking the responsibility out of the team- Balances observer and contributor roles- Gives individuals tools to be a great team member- Coaches teams through conflict resolution- Advocates for continuous improvement for teams and the organization at large- Buys things for the team (manages budget)- Provides the right environment- Manages portfolio of projects
  • 1. Providing organizational vision: Often teams flail because there is no vision 'from on high'. Having this vision is important for team members to be able to relate their daily actions.
  • manager's role in this process to remove escalated impediments from the team(s).
  • provide strategic vision, business strategy, and resources
  • 3. Assists with individual development: We all have managers who mentor us in professional and sometimes personal growth. We felt that this is an important role for the manager to continue to play. Not all scrummasters have the authority or expertise to help in this regard.
  • a manager role would be like a 'ScrumMaster on steriods'- a person whose job it is to remove all escalated impediments for the team, take care of external stuff to the team, lead the team by challenging it, and assists direct reports with individual development and other HR-related challenges.
  • CMMI Level 5 Requirement 2.4.10 Review the activities, status, and results of the Agile Methods with higher level management and resolve issues (GP2.10)
  • ensure that higher level management has appropriate visibility into the project activities.
  • The principle of self-managed teams would say "let them be; let them find their own way." A principle of leadership, however, is to challenge teams. We discussed the fine line between challenging teams and taking away their ability to self-manage.
  • Jens Ostergaard
    • Yuval Yeret
      Yuval Yeret on 01 Jun 09
       
      my CST...
Yuval Yeret

From the Agile Transformation Trenches: Culture Change with Pigs, not Chickens - 0 views

borland.typepad.com/...ge-with-pigs-not-chickens.html

Agile transition agilesparksblog

shared by Yuval Yeret on 07 Jul 09 - Cached
  • Identify the technical leaders within projects; those that are “self-driven to produce quality results on time … combine technical ability with enough people skills …are trusted and respected by both their managers and fellow developers, are determined to make the team succeed, and usually live the work.” (Chief programmers, Chapter 2:  A Practical Guide to FDD).
  • Sell them the vision: if you cannot sell these people on the benefits to them, their colleagues and the organization of the new way of working then something is wrong
  • Provide in-depth training and on-going coaching. It is better to have a single lead person trained in-depth who can coach his teammates through the basics than to have the whole team trained on the basics with no-one on the team to turn to when the basics are not enough.
  • ...3 more annotations...
  • Providing initial training is simply not enough. When the pressure is on, the temptation to return to previous ways of doing things is often too strong to resist. If technical leads are to work for you, they need on-going support and coaching, and a means by which they can support each other.  Good external coaches (expert chickens?) can help here.
  • Let the technical leads continue working on their projects. Some fail at the final hurdle by doing 1-3 above and then assigning or scheduling the technical leads to coach other projects, effectively turning them from pigs into chickens.
  • To summarize, if you can produce a change in the behavior of the lead pigs, the other pigs will, by definition, follow. However, pigs will not follow chickens for long because chickens are simply not pigs.
  • Yuval Yeret on 07 Jul 09
     
    Last month David Anderson wrote a two-part article on why agile transformation initiatives fail. David's suggestion to concentrate on cultural change reminded me of one of my favorite bits on process initiatives. From Peter Coad's book, Java Modeling in Color...
Yuval Yeret

Agile Product Manager in the Enterprise (5): Responsibility 3 - Maintain the ... - 0 views

scalingsoftwareagility.wordpress.com/...3-maintain-the-product-roadmap

agile product_owner product_management

shared by Yuval Yeret on 18 Jun 09 - Cached
  • The Roadmap consists of a series of planned release dates, each of which has a theme and a prioritized feature set.
  • While it is a simple thing mechanically to represent the Roadmap, figuring out the content for anything beyond the next release is another matter entirely. The topic of what else the team plans to ship and when can be a fascinating and contentious topic in agile
  • the easiest way to think about the Roadmap is that it is an output, rather than an input to the Release Planning process.
  • ...5 more annotations...
  • The dates and themes for the next release are fixed. The features are prioritized and variable.
  • The teams can commit only to the features in the next upcoming release. Releases beyond the next, represent only a best estimate.
  • The Roadmap, then, is a “plan of intent” and is subject to change as development facts, business context and customer needs change. With respect to the upcoming release, perhaps the most important guidance is this:
  • Even though the team has committed to the objectives and we have agreed that the feature set cannot be guaranteed, it is a reasonable expectation that the agile teams will: 1) meet the date 2) accomplish the theme 3) deliver most of the features, and certainly the highest priority ones, with the requisite quality.
  • Anything less would be unprofessional and belie the power, discipline and accountability of our agile enterprise model. Moreover, it will eventually threaten our own empowerment, as failure to deliver will inevitably cause the implementation of various controls to “help us”!
Yuval Yeret

Ideal Training for Enterprise-Scale Agility? « Scaling Software Agility - 0 views

scalingsoftwareagility.wordpress.com/...g-for-enterprise-scale-agility

shared by Yuval Yeret on 04 Jun 09 - Cached
  • training strategy for a significant enterprise that is contemplating an “all in” (immediate and across the entire company) enterprise scale transformation approach
  • for the enterprise, a combination of team-based and role-based training that would touch every practitioner is ideal
  • all team practitioners receive a minimum of two days of agile training, (agile team training for the each team in the enterprise)
  • ...11 more annotations...
  • an additional day or so of training for specialized roles of Product Owner, Project/Release Manager, and Agile/Scrum Master
  • All other executives and managers are invited to attend an overview course on scaling software agility
  • Agile for Teams –Essential, team-based training in a two day workshop
  • philosophy, principles, and benefits of agility, agile methods, iterative and release framework, roles, agile technical practices, and agile management practices (Scrum)
  • Agile Release and Project Management at Enterprise Scale – For Project Managers, Release Managers, Program and Portfolio Managers who have responsibility for helping deliver the product(s) to the marketplace. Topics include differences between traditional and agile product management, iteration framework, multi-level release planning and tracking, the agile release train, planning and executing the release planning event, and measuring enterprise progress.
  • Agile Product Owner in the Enterprise – For team-based product owners/candidates who will become responsible for backlog management, story writing, and iteration and release planning, and who will also be involved in the planning and coordination of larger scale software systems of systems built by teams of teams.
  • The Agile Master In The Enterprise – For potential agile team leads/future Scrum Masters who will be coaching agile teams and who will interact with other teams as well. Topics include: process facilitation, enterprise agility, mastering the iteration, team roles, release planning and tracking, agile leadership, empowerment and conflict management, and integration Scrums.
  • Agile Product Manager in the Enterprise – For enterprise product managers with product, product line, portfolio and business unit responsibilities. Topics include: what’s so different about agile, backlog and prioritization, relationship to product owners, PM’s role in release planning and management, visioning and the product roadmap.
  • Scaling Software Agility – Best Practices for Large Enterprises – For executives and key stakeholders in support, distribution, quality, internal IT, HR and all others whose roles will be impacted by the substantive changes that enterprise agile engenders. Part I – overview of agility highlighting lessons learned from the most common and effective agile methods Part II – seven team best practices of agility that natively scale to the enterprise level Part III – seven organizational capabilities that companies can master to achieve the full benefits of enterprise scale agility
  • The team member doesn’t need a CSM course, but he does need to know how to work in an agile environment.
  • what are the engineering practices need to support agile development? I’ve found that if developers only have their existing tools and practices, then they will continue to specify and develop waterfall-style within the sprints.
Yuval Yeret

Agile PMO Role - 0 views

www.gantthead.com/...articlesPrint.cfm

agile pmo

shared by Yuval Yeret on 20 Jul 09 - Cached
  • Institute an agile transition team, and have the agile PMO play a significant role on that team. If you are starting on the journey, establishing an agile transition team can be a critical factor in your success. The agile transition team plans and implements the strategy for the organization’s agile transition (using a backlog, iterations, planning meetings, retrospectives and, in general, responding to change) This group monitors and communicates results throughout the organization, and is responsible for removing organizational level impediments. The PMO representative can act as ScrumMaster for the agile transition team. Members should be leaders representing different departments and functions that are impacted by the agile transition. For example, having leaders from development, QA, product development and the PMO is an excellent practice.
  • Establish a “Meta Scrum” that is tasked with mapping projects and features to corporate strategy. As part of optimizing the whole, it is important for there to be a big picture view across products and features. In general, product managers are tasked with defining, prioritizing and communicating the vision and features for their products. When you have a program that encompasses multiple products with multiple product owners and project teams, keeping everything in line with the corporate vision can sometimes be overlooked.   Unlike the Scrum of Scrums--which is tactical, i.e. focused on execution--the Meta Scrum is focused on the strategic planning and decisions guiding the program or programs as a whole. Establishing a Meta Scrum with the PMO representative acting as ScrumMaster to plan and facilitate meetings (as well as reporting and tracking decisions and action items) can add significant value in having a program able to rapidly respond to change while staying true to the corporate strategy and objectives.
  • I like using story points to establish the velocity of individual teams. From a program point of view, however, story points are difficult to use across multiple teams. The nut there is that one team’s story point is not equivalent to another team’s story point. To crack that nut, I use agileEVM to “normalize” to standard project management metrics like the Cost Performance Index and the Schedule Performance Index, as well as the Estimate At Complete in integrated dollars. These metrics can be aggregated across teams to establish progress against the plan for the entire program.
  • ...1 more annotation...
  • Establish an agile CoachingCenter. It is important from an organizational perspective to continue to provide coaching and training to agile teams. Team development and facilitation needs continue after the initial shift to agile methods is completed. In addition, new team members are hired, new practices discovered and implemented. Establishing an agile coaching center of excellence can meet this need.   In order to be successful, the center needs to be a legitimate organization with an assigned budget, staff and objectives. The center can be a located within the agile PMO. The center can develop and manage a central agile library, produce various lunch ‘n’ learns and other programs to infuse agile values and knowledge across the organization, and provide proficient, independent facilitators to teams for various retrospectives and other needs. In addition, the center can help the team gather metrics on their agility and health so that the team can take action if the decide to.
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