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Subject: Re: [camp] Groups - camp-spec-v1.2-wd11-issue-186-v4.doc uploaded

There is a requirement that I forgot to review in today's meeting. It occurs at the top of Section 5.6, "collection Resource" and reads:

If a Provider chooses to return the ETag header in its responses, the value of this header SHALL refer to the entire collection and not the subset of the collection represented by the collection resource. [RE-84]

This requirement occurs within the context of the only other requirement that mentions the ETag header:

All HTTP responses that return representation of a resource SHOULD use a strong ETag response header field indicating the current value of the entity tag for the resource. [PR-20]

I thought RE-84 was necessary because, if the ETag refers to the particular subset in the collection resource, you can't use it to tell when the entire collection has changed from one GET to the next. I'd like some feedback on (a) the necessity for this requirement, (b) the phrasing of this requirement. This gets to the difference between the abstract notion of "the entire collection" versus the subset of the collection that is represented in a particular collection resource. Do people think RE-84 contradicts PR-20 in any way?

~ gp

On Sep 8, 2016, at 1:21 PM, Gilbert Pilz <gilbert.pilz@oracle.com> wrote:

Submitter's message
Miscellaneous editorial fixes. Make requirement references concrete. Add requirements to tables in the appendices.
-- Gilbert Pilz
Document Name: camp-spec-v1.2-wd11-issue-186-v4.doc

Concrete proposal for CAMP-186.
Download Latest Revision
Public Download Link

Submitter: Gilbert Pilz
Group: OASIS Cloud Application Management for Platforms (CAMP) TC
Folder: Proposals
Date submitted: 2016-09-08 13:21:24
Revision: 4

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