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As some of you know, I am in the midst of a blog series on REST in WCF.  Further, I have been hard at work on a series of screencasts on the same subject (in conjunction with Ron Jacobs).  My colleague Tim Heuer relayed to me that I didn’t have a single post that we can point a person to that provides links to all of the posts and screencasts.  I will keep this post updated with all of the info:

Standard fare for most dynamic data and the way most everybody would tell you to do it. Only thing is that it scales like a dog.

The thing is that holding all the weather of the entire globe in memory, well, takes a lot of memory. More than is reasonable. In which case, there’s a fairly decent chance that a given request can’t be served from the cache, resulting in a query to the database, an update to the cache, which bumps out something else, in short, not a very good hit rate.

If we were able to make our clients in London perform an HTTP GET on http://weather.myclient.com/UK/London then we could return headers in the HTTP response telling the intermediaries that they can cache the response for an hour, or however long we want.