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Wesley Shu

Internet protocol suite - Wikipedia, the free encyclopedia - 0 views

  • The > > Internet protocol suite is the set of > communications protocols > that implements the > protocol stack > on which the > Internet > and many commercial networks run. It is part of the > TCP/IP > protocol suite > , which is named after two of the most important protocols in it: the > Transmission Control Protocol > > (TCP) and the > > Internet Protocol > (IP) > >,
  • The Internet protocol suite — like many protocol suites — can be viewed as a set of layers. Each layer solves a set of problems involving the transmission of data, and provides a well-defined service to the upper layer protocols based on using services from some lower layers. Upper layers are logically closer to the user and deal with more abstract data, relying on lower layer protocols to translate data into forms that can eventually be physically transmitted.
Wesley Shu

TCP/IP model - Wikipedia, the free encyclopedia - 0 views

  • The five layer TCP/IP model
  • Layer 4 - Process Layer or Application Layer - This is where the "higher level" protocols such as SMTP, FTP, SSH, HTTP, etc. operate. Layer 3 - Host-To-Host (Transport) Layer - This is where flow-control and connection protocols exist, such as TCP. This layer deals with opening and maintaining connections, ensuring that packets are in fact received. Layer 2 - Internet or Internetworking Layer - This layer defines IP addresses, with many routing schemes for navigating packets from one IP address to another. Layer 1 - Network Access Layer - This layer describes the physical equipment necessary for communications, such as twisted pair cables, the signalling used on that equipment, and the low-level protocols using that signalling.
Wesley Shu

» The story of Web 2.0 and SOA continues - Part 1 | Enterprise Web 2.0 | ZDNe... - 0 views

  • Web 2.0 and SOA really are largely (but not 100%) the same concepts that merely lay on different — if fairly different — parts of the software continuum
  • SOA is the dominant design paradigm in business software today
  • The core principle of SOA is the decomposition of software into sets of services which can be used and composed into new applications that have a very high level of integration and reuse.
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  • SOA and Web 2.0 have also crossed over considerably around Rich Internet Applications and Ajax.
  • Web-Oriented Architecture
  • SOAP is not Web-oriented
  • but competing protocols such as REST, and now ATOM, are very clearly Web-oriented
  • This is one reason that Google got rid of its SOAP search API
  • Project Astoria, downloadable today in CTP form here, makes it possible to expose almost any ADO-compliant database as a set of granular, queryable URLs in simple REST form.
  • Project Astoria
  • there are literally thousands of software platforms and enviroments that presently exist in the world. And if they don’t speak your unique flavor of SOA (SOAP and WS-*), interopability with them won’t (and doesn’t) happen.
  • With WOA, anyone that can speak HTTP — the fundamental protocol of the Web — and anyone that can process XML, which is to say just about every tool and platform that exists today, can interoperate and work together simply, safely, and easily and build applications on top of one another services.
  • Importantly, mashups are a key outcome of the trend towards WOA and most mashups are based on REST or REST-like services.
  • Astoria is a solid example of how major software companies are now committing serious and disciplined effort to “WOA-ify” our traditional enterprise datastores
Wesley Shu

ABC: An Introduction to SOA - 0 views

shared by Wesley Shu on 02 May 07 - Cached
  • service-oriented architecture is a strategy that proclaims the intention to build all the software assets in the company using the service-oriented programming methodology
  • Services are software chunks, or components, constructed so that they can be easily linked with other software components. The idea behind these services is simple
  • the only difference is that today, the ambition for the size and sophistication of these software objects is far more grand.
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  • Developers create the abstraction by building a complex wrapper around the bundled code. This wrapper is an interface
  • use the simple object access protocol (SOAP) to build a single link to the carefully crafted interface that wraps around the service
  • For example, at telecom company Verizon, the service called "get CSR" (get customer service record) is a complex jumble of software actions and data extractions that uses Verizon's integration infrastructure to access more than 25 systems in as many as four data centers across the country. Before building the "get CSR" service, Verizon developers who needed that critical lump of data would have to build links to all 25 systems—adding their own links on top of the complex web of links already hanging off the popular systems. But with the "get CSR" service sitting in a central repository on Verizon's intranet, those developers can now use the simple object access protocol (SOAP) to build a single link to the carefully crafted interface that wraps around the service >. Those 25 systems immediately line up and march, sending customer information to the new application and saving developers months, even years, of development time each time they use the service.
Wesley Shu

Communications protocol - Wikipedia, the free encyclopedia - 0 views

  • the set of standard rules for data representation, signalling, authentication and error detection required to send information over a communications channel.
Akmal Yousuf

A Microsoft Office 2016 Preview: Smart & Subtle Changes - www.office.com/setup - 0 views

  •  
    www.office.com/setup Blogs: The shrouded veil of secrecy has been lifted from the latest edition of Microsoft Office. Excitement for Office 2016 is still lagging behind the Windows 10 enthusiasm camp, but following the July 29 release of Windows 10, attention will return to the world's most popular productivity suite.When Does Windows 10 Come Out, How Can You Get It & What Happens to the Technical Preview? When Does Windows 10 Come Out, How Can You Get It & What Happens to the Technical Preview?Windows 10 is coming soon. Still confused about how the upgrade will work and wondering about the timeline? We have some answers, although more questions remain.READ MORE Office 2016, like Windows 10, has been re-designed within a revised Microsoft ethos. Office 2016 has been built from the ground-up with mobile and cloud users in mind, slotting in with the ever expanding fleet of Microsoft productivity applications. Office is, in general, a different set of tools from days gone by. We aren't confined to the five-or-so core products, and we can expand the functionality of the Office ecosystem using a massive range of add-ins and templates. Office 2016 logo - www.office.com/setup I'm using VirtualBox to preview Office 2016. Microsoft strongly suggested uninstalling Office 2013, which isn't currently viable due to work commitments. Using a virtual machine, however is a great way to explore different Office products alongside each other, without having to uninstall your current suite. I've also had a look at Office 2016 on Windows 10 Build 10130. Verdict: good times.How To Use VirtualBox: User's Guide How To Use VirtualBox: User's GuideLearn to use VirtualBox. Get virtual computers up and running inside your computer, without having to buy any new hardware.READ MORE Anyway, enough of that. Let's look at Office 2016. NEW OVERVIEW Much akin to the extended and inclusive testing phase of Windows 10, the Office 2016 preview has now accumulated over 1 million users,
Wesley Shu

Wireless Application Protocol - Wikipedia, the free encyclopedia - 0 views

  • WAP is an open international standard for applications that use wireless communication. Its principal application is to enable access to the Internet from a mobile phone or PDA
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