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From: LovedJohnySmith
Message 2 in Discussion
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SOA Vs EDA Re:
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Message 1 in Discussion
From:
johnsonsmithy2k2
----- Original Message -----
From: "Surekha" <[EMAIL PROTECTED]>
To: <[EMAIL PROTECTED]>
Sent: Thursday, Aug 04, 2005 11:31 AM
Hi Smith,
You are simply great, you are doing great job for .NET bees.
I really appreciate your explanation on SOA vs EDA. Thaks for your
great blog. I really impressed on your stuff. i would like to became a
fan of you :)
again, thanks for your wonderful information.
regards,
Surekha
----- Original Message -----
From: "Johnson Smith" <[EMAIL PROTECTED]>
To: [EMAIL PROTECTED]
Sent: Thursday, Aug 04, 2005 10:40 AM
>Surekha:-
>
> nice question. The purpose of SOA is to enable the Manageability of
> >System Complexity; as far as the definition of SOA I think the closest we
> can get >is the generally accepted "Four Tenets of SOA" as proposed by Don
> Box:
>
>1. Boundaries are Explicit
>2. Services are Autonomous
>3. Services share Schema and Contract, not class
>4. Compatiblity is based upon policy
>
>EDA is all about Message routing, part of the system that SOA says
nothing >what so ever about. There are basically two methods of
defining message >routing; it can be predetermined flow based such
as you might see in a >traditional, client server type application, a
"new age" BizTalk Orchestration or >even a "prehistoric" Mainframe JCL
job. If it is not predetermined then it must be >evaluated at runtime
based on the content of the message or events that occur >during the
system operation, you might see this in an Email System, a Pub-Sub
>architecture or Windows itself.
>
>you can get more information, regarding this information, please have
a look at >my blog.
>http://spaces.msn.com/members/johnysmith
>
>Thanx,
>Smith
----- Original Message -----
From: "Surekha" <[EMAIL PROTECTED]>
To: <[EMAIL PROTECTED]>
Sent: Thursday, Aug 04, 2005 10:31 AM
> Hi Smith,
>
>
> 1. Can you please share your thoughts of difference between SOA Vs EDA?.
> 2. what are the 4 tenant of SOA?
>
>
> regards
> Surekha
>
>
>
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