Re: [soa-rm] David Linthicum Says: "ESB versus Fabric.Stop It!"

[Duane Nickull <dnickull@adobe.com>]

Concur!

Behera, Prasanta wrote:

>I agree. This will be useful when we look at the RA  (Sessions, messages, ...) - for RM we need to focus at abstract level.
> 
>Thanks,
>/Prasanta
>
>
>
>
>
> -----Original Message-----
>From: 	Francis McCabe [mailto:fgm@fla.fujitsu.com] 
>Sent:	Tuesday, May 24, 2005 8:46 AM
>To:	Michael Stiefel
>Cc:	vikas@sonoasystems.com; 'Chiusano Joseph'; soa-rm@lists.oasis-open.org
>Subject:	Re: [soa-rm] David Linthicum Says: "ESB versus Fabric.Stop It!"
>
>This stuff appears to be off topic for a reference model.
>
>These layers are extremely implementation oriented; and I submit,  
>somewhat arbitrary. There is more in life than sending messages!
>
>Frank
>
>On May 23, 2005, at 6:47 PM, Michael Stiefel wrote:
>
>  
>
>>+1
>>
>>Michael Stiefel
>>
>>At 01:31 PM 5/23/2005, Vikas Deolaliker wrote:
>>    
>>
>>>One could potentially map the SOA levels discussed in this blog to  
>>>layers in a SOA-RM.
>>>
>>>Layer 1: Messaging/Queing with routing and transformation of  
>>>messages. The endpoints for this layer are transport endpoints.
>>>
>>>Layer 2: Mediation Layer or Brokering Layer. The endpoints to this  
>>>layer are the service endpoints. Endpoints are discovered using a  
>>>discovery protocol (like DNS).
>>>
>>>Layer 3: Session Layer. The endpoints to this are session  
>>>endpoints. Session endpoints can be all on one service endpoint or  
>>>multiple.
>>>
>>>Layer 4: Process Layer. This is the choreography/orchestration  
>>>layer at which new services can be developed.
>>>
>>>The RM then would need to define the notion of protocol data unit  
>>>that traverses up/down and in between two of these stacks.  
>>>(analogous to OSI).
>>>
>>>Thanks
>>>Vikas
>>>
>>>From: Chiusano Joseph [mailto:chiusano_joseph@bah.com]
>>>Sent: Monday, May 23, 2005 4:19 AM
>>>To: soa-rm@lists.oasis-open.org
>>>Subject: [soa-rm] David Linthicum Says: "ESB versus Fabric.Stop It!"
>>>
>>>Forwarding a very interesting and pertinent piece[1] from David  
>>>Linthicum's (CTO of Grand Central) blog, titled "ESB versus Fabric... 
>>>Stop It!". David also discusses 6 different "levels" of SOA,  
>>>ranging from simple single point-to-point SOAP messages (Level 0)  
>>>to SOA that incorporates orchestration (Level 5).
>>>
>>>Joe
>>>
>>>[1] http://www.webservices.org/index.php/ws/content/view/full/63539
>>>
>>>Joseph Chiusano
>>>Booz Allen Hamilton
>>>Visit us online@ http://www.boozallen.com
>>>
>>>      
>>>
>
>
>  
>