On 8/24/06, Eric Newcomer <[EMAIL PROTECTED]> wrote:
> Distributed computing environments in current use in enterprise IT have
> better security, reliability, transactionality, and performance than HTTP.
That's not fair, Eric. Those things aren't "better" in the
enterprise, they're just "different". Well, except performance I
suppose, but that's only different (IME) because there exist *some*
enterprise systems with performance requirements that HTTP can't meet.
The vast majority I've seen *can* absorb the cost of HTTP's
per-message overhead. In fact, based on my experience with enterprise
systems I'd guess that if you swapped over *all* of them to use HTTP,
3% would perform worse, 17% would perform about the same (including
the ones already using HTTP 8-), and 80% would perform better.
But for those other "ilities", the Web already provides all of them,
to varying degrees, and at least suggests solutions where it doesn't
(viz a viz transactionality and non-idempotent message reliability).
Web services ignores all that.
Mark.
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