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Subject: Agenda: XRI TC Telecon 2-3PM PT Thursday 2009-07-02
Following is the agenda for the unofficial telecon of the XRI TC at: Date: Thursday, 02 July 2009 USA Time: 2:00PM - 3:00PM Pacific Time (21:00-22:00 UTC) The telecon bridge supports both standard phone and direct Skype connections: 1) Skype Number: +9900827047990866 (this will connect you directly to the conference room) 2) US/Canada Toll Number: +1-201-793-9022 7990866# 3) US/Canada Toll-free Number: : +1-888-350-0075 7990866# (please use ONLY if you cannot connect via Skype or the toll number above): 4) International Toll Number (follow this with the Conference Room Number 7990866#): Austria (0820 401 15470) Belgium (0703 57 134) France (0826 109 071) Germany (0180 500 9527) Ireland (0818 270 968) Spain (902 885 791) Switzerland (0848 560 397) United Kingdom/Northern Ireland (0870 0990 931) AGENDA 1) XRD 1.0 ELEMENTS FORMERLY KNOWN AS TARGETSUBJECT AND TARGETAUTHORITY The proposal is to use just Subject and ds:KeyInfo at both the XRD and Link levels. See the writeup at: http://wiki.oasis-open.org/xri/XrdOne/TrustElements Note that this wiki page also includes a writeup of the core trust verification rules. 2) XRD 1.0 - COVERING XRD DELEGATION AS A SEPARATE SECTION Will has pointed out that a Link with a describedBy relation has special processing rules associated with it, so he proposes that we have a special section in the spec that explains these rules. We also need to decide whether to use the term "XRD delegation" or another term -- whatever term we use must be consistent throughout the spec. 3) XRD 1.0 - LINK PROCESSING RULES Different link processing rules result in different behaviors. For example, under XRI Resolution 2.0, a processor looked for a Service match first, and only if it did not find it would it resolve a Ref element (the equivalent of a Link with a describedBy relation in XRD 1.0) to look in another related XRD for the same Service. Since in XRD, all related resources (included a delegated XRD) are described by Links, Will has proposed a different rule: processing Links strictly in priority order. This means, for example, that if an XRD author wants a Link to an OpenID service to be checked /before/ a Link to a delegated XRD (that contains a different OpenID service), the author can do this simply by giving the first Link a higher priority than the second -- and vice versa if the opposite ordering is desired. (Identical priority means the choice between the two will be made at random.) Will and Drummond prefer this rule because it is simple for everyone -- XRD implementers, authors, and readers -- to understand, and it works iteratively across a chain of delegated XRDs. Another important processing rule decision is "backtracking". This is when an XRD processor follows a Link from a first XRD to a second delegated XRD, then processes the Links in the second XRD in priority order. If it still does not find what it is looking for, Will and Drummond believe the processor should "backtrack" to the first XRD and continue processing its Links in priority order. XRI Resolution 2.0 did not allow backtracking. But that was largely because it used a more complicated schema and processing model, so backtracking would have introduced too much complexity. In XRD 1.0, the schema is so simple, and the delegation rules so simple, that backtracking should be relatively straightforward (though probably relatively rare in practice). 4) OTHER XRD 1.0 ISSUES/WORKING DRAFT 02 PLAN Will will cover any other outstanding issues and we'll discuss the plan for pushing WD02 and reviewing it to get to a Committee Draft vote. 5) LRDD - SUBJECT OF A HOST-META XRD Eran needs feedback on this issue. See this thread: http://lists.oasis-open.org/archives/xri/200907/msg00007.html 6) OTHER LINK HEADER/HOST META/LRDD STATUS/ISSUES http://tools.ietf.org/html/draft-nottingham-http-link-header http://tools.ietf.org/html/draft-nottingham-site-meta http://tools.ietf.org/html/draft-hammer-discovery Eran. 7) XRI SYNTAX 3.0 WORKING DRAFT 02 STATUS/ISSUES Drummond. 8) NEW BUSINESS 9) NEXT CALL
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