Re: [soa-rm] SOA and Cloud

[Ken Laskey <klaskey@mitre.org>]

I like the final question: where is cloud an instance of typical business and where is it special?

Some other thoughts:

- I have seen many service description templates that have Dependencies as an attribute.  This is not just what I’ve talked about as Preconditions.  For example, when does the Consumer have the right/need to ask about the details of service composition?  Opacity would say generally never.  In a loose analogy, when does the Consumer have the right/need to ask about the details of cleaning solutions used at a dry cleaner.  We assume the dry cleaner uses approved cleaners and disposes of waste per regulations.  We demand transparency when something goes wrong.

Need to run to meeting. More thoughts later.

Ken

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Dr. Kenneth Laskey
MITRE Corporation, M/S F510          phone: 703-983-7934
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On Jun 15, 2015, at 7:20 PM, Mike Poulin <mpoulin@usa.com> wrote:

I believe that Cloud Computing represents a classic example of  an implementation of SOA Services, with full power of separation of ownership and all related problems. The presentation I will be making at the OASIS Cloud Identity conference in London (in July) is about one of such 'problems'. Actually, it is a problem only in the opinion of traditional inside-enterprise custom of dealing with user identities.

 

Real problems have raised from the business independency of Cloud providers; these problems have been outlined many times by corporate executives who tried to manage Cloud in the same way they dealt with their internal IT; this simply did not work.

 

Based on this view, I have wrote a few articles on this topic:

1) a check-up list of what should be in the Service Contract with a Cloud Provider [http://www.clingstone.co.uk/a-checklist-for-contracting-cloud-business/]

2) a different, client-centric, classification of Clouds - public vs. private [https://www.linkedin.com/pulse/20140826154021-6259328-a-shift-in-understanding-of-private-and-public-cloud?trk=mp-reader-card]

3) a different, client-centric, interpretation of Hybrid Clouds [https://www.linkedin.com/pulse/20140927140218-6259328-re-thinking-hybrid-cloud?trk=mp-reader-card]

 

There are two viewpoints on Cloud Computing: consumer's and provider's one. They directly impact the understanding of the Cloud economy and, thus, the role of all Cloud attributes. There are many of them. For example, Cloud's elasticity is: 1) a detail of the implementation of Cloud service; 2) a major mechanism of Cloud economy to the provider; 3) a reasonable feature - pay for what you use - for the consumers, but nothing more than this (consumers do not care how a Cloud service operates). At the same time, a low cost of Cloud becomes a Providers' myth for Consumers when the latter count a full cost of Cloud service 'ownership'/usage.

 

I think we can ask the Martin's question with regard to a general renting/leasing business and alike.

 

- Michael

 

Sent: Monday, June 15, 2015 at 10:02 PM
From: "Martin Smith" <bfc.mclean@gmail.com>
To: soa-rm@lists.oasis-open.org
Subject: [soa-rm] SOA and Cloud

Can anyone recommend a concise summary of the relationship between service-oriented architecture and Cloud computing?  

 

Also, is virtualization just an enabler (of the Cloud's elasticityattribute, for example) or something more?

 

Thanks,

 

Martin

 

 

--

Martin F Smith, Principal

BFC Consulting, LLC

McLean, Va 22102

703 506-0159

703 389-3224 mobile

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