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Comparing Three-Tier and SOA   Message List  
Reply | Forward Message #9458 of 13953 |
I recently read a Gartner paper by Yefim Natis and Anthony Bradley who
commented that, "Service-oriented architecture arrived on the scene on
the coattails of the maturing predecessor: three-tier
architecture. In fact SOA is a special, enriched, case of three-tier
architecture."

Personally, I think that this is a bit of a stretch. Does anyone have a
good (simple) comparison of SOA and 3-Tier?
Mon Dec 31, 2007 3:43 pm

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jeffrschneider
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Forward 		Message #9458 of 13953 |
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I recently read a Gartner paper by Yefim Natis and Anthony Bradley who commented that, "Service-oriented architecture arrived on the scene on the coattails of... 		jeffrschneider
Offline Send Email 		Dec 31, 2007
6:58 pm

I would say SOA and 3-tier are orthogonal concepts. You can deploy services in a three-tier architecture, or any number of tiers, but that doesn't mean SOA...
Eric Newcomer
e_newcomer
Offline Send Email 		Dec 31, 2007
7:16 pm

Agreed. I have generally always thought of SOA being based on a n-tier architecture. When they say 3-tier they are probably referring to the introduction of...
David Chappell
bookguy007
Offline Send Email 		Jan 1, 2008
11:55 am

I think there's a more subtle point in here: 3-tier or n-tier application architecture is just that -- an *application* architecture. It's focus is on building...
Anne Thomas Manes
annemanes
Offline Send Email 		Jan 1, 2008
11:58 am

Well said, Anne, and I think you complied with my 5000-word requirement according to Jeff. :) I worked with an EA once who did equate SOA to a migration from...
Todd Biske
tbiske
Offline Send Email 		Jan 2, 2008
9:47 am

Building applications using object-oriented implies, separate of concerns which is major feature of 3 -tier architecture. Using services doesn't imply ignoring...
ashraf galal
ashrafwg1
Offline Send Email 		Jan 1, 2008
11:55 am

Happy New Year! If Eric means, SOA and 3-Tier concepts have nothing to do with each other, I agree on the orthogonal orientation of both. "In fact SOA is a...
Michael Poulin
m3poulin
Offline Send Email 		Jan 1, 2008
11:59 am

Michael, I highly recommend Burton Group's Catalyst conference: - San Diego: 23-27 June - Prague: 20-23 October See http://www.catalyst.burtongroup.com/ ...
Anne Thomas Manes
annemanes
Offline Send Email 		Jan 1, 2008
4:43 pm

I'd also like to suggest the next OASIS event, 'Open Standards 2008-Composability within SOA,' http://events.oasis-open.org/home/symposium/2008/ in Santa...
Dee Schur
deeschur
Offline Send Email 		Jan 2, 2008
3:32 pm

... I wrote an article about this back in late 2003. Forgive the length; I was in a particularly loquacious mood.... ...
Stuart Charlton
stuartcharlton
Offline Send Email 		Jan 2, 2008
9:47 am

Given the following quote from "Introduction to Service-Oriented Architecture" written by Natis and Schulte in 2003, I'd say it's not only a stretch but...
Rob Eamon
reamon943
Offline Send Email 		Jan 2, 2008
4:40 pm

Rob, I agree that service orientation can be applied at any level, but "service-oriented architecture" is service orientation applied at the enterprise...
Anne Thomas Manes
annemanes
Offline Send Email 		Jan 2, 2008
5:13 pm

Anne: We simply do not agree on the level that SOA applies to. Indeed, I don't think SOA as an independent "thing" should exist at all. My view is that service...
Rob Eamon
reamon943
Offline Send Email 		Jan 3, 2008
12:15 pm

No need for apologies. Your comment has given me my first blog topic for the year which I will post tonight. :) Regarding SOA at the enterprise level, there is...
Todd Biske
tbiske
Offline Send Email 		Jan 3, 2008
2:36 pm
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