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Subject: [OASIS Issue Tracker] (OSLCCORE-53) Does a ServiceProvider have one Service per oslc:domain value, or does it reflect the server's desired container structure.

    [ https://issues.oasis-open.org/browse/OSLCCORE-53?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=61512#comment-61512 ] 

Martin Pain commented on OSLCCORE-53:

Re: Jim:

1. So you're saying that the Service.creationFactory.creation URI would point to the same URI that they would reach via traversing the LDPCs (potentially entirely non-OSLC LDPCs)? That both discovery methods would lead to the same URI at the end? (I though you were saying they would traverse the SPC and SP as LDPCs, then look at the OSLC-defined Service.creationFactory.creation properties to find the URI of the next LDPC). Ok.

2. So we should change Discovery spec section A.3 to not say "An LDPC whose properties describe specific services offered by a server," but something like "A resource whose properties...." 
We could also append "which may or may not be an LDPC", but I don't think that adds any value.

Also, "Service" would need removing from "ServiceProviderCatalog, ServiceProvider and Service resources from [OSLCCore2] are specific kinds of LDP Containers." in section 5 - or we could replace it with "and, optionally, Service resources".
Again in section 5.1.

> Does a ServiceProvider have one Service per oslc:domain value, or does it reflect the server's desired container structure.
> ---------------------------------------------------------------------------------------------------------------------------
>                 Key: OSLCCORE-53
>                 URL: https://issues.oasis-open.org/browse/OSLCCORE-53
>             Project: OASIS OSLC Lifecycle Integration Core (OSLC Core) TC
>          Issue Type: Bug
>            Reporter: Martin Pain
>            Assignee: James Amsden
> In OSLCCORE-23 we agreed that a Service resource should be an LDPC, but didn't state what its members were. My reading of that ticket's proposal is that the members are defined by the domain.
> In recent emails, there has been a discussion about what the members of a Service should be. My latest comments that triggered me to raise this ticket:
> According to OSLCCORE-23, we agreed that "Service is the point at which Domain specifications specify their specific service capabilities." - which suggests the tie between domains and Service resources. Of course, it doesn't have to be an OSLC-defined domain, but in my opinion it must be a value of the oslc:domain property on the Service. And that it is unreasonable to expect clients to be able to work with two Service resources with the same oslc:domain value, unless explicitly permitted by that domain.
> So I think we have a question to answer, which probably requires its own ticket: Do we keep the one-to-one relationship between Service resources and oslc:domain values from v2 (within the context of a single SP, and if that understanding of v2 is correct), or do we redefine it and suggest/require that a Service is one-to-one with an LDPC (if not exactly the same resource) in the server's desired organisation of containers?
> The benefit of the former is that clients have fewer options to present to users, and that v3 servers are more likely to work with v2 clients (although that could do with verification). The benefit of the latter is that the server's organisation of containers is exposed in the OSLC data, but this comes at the cost of complexity for the clients.

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