On 10/3/07, Rogelio Serrano <[EMAIL PROTECTED]> wrote:
..
> yes thats why in this application i like REST over HTTP. no cookies.
> state and sessions are embedded in uris.
>
> im very sorry for barking up the wrong tree. the problems you confront
> are the problems i avoid.


Even if you maintain session state in the URI (something like
cookie-less sessions which are well-known in PHP, JSP, Perl and
everything else I guess) you still have the problem of replicating
back-end session state (the cookie after all is just an identifier).

Most people use a centralized backing DB to store the session state.
What if that one goes south?

Memcached is a very good implementation, those guys are much smarter
than me. Hahaha! problem is that it's read-only. Having a writable
global hash space opens up so many cans of worms regarding data
coherency, it's not funny.

I know of no open-source or Free Software project that handles write
coherency over large clusters efficiently.
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