[RPRWG] State Table Ad Hoc - Early input for today's conference call

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Tuesday, October 22, 2002

1 - 2:30pm West Coast time

Call-in Number: 1-702-851-3330

Conference Number: 8021722

To prime the pump for today's discussion, I have a few questions about clauses 6 and 10 where I believe there are descriptions made that lead to questions that should be answerable by looking at state tables. And yet, I find no such tables that contain the information. Here are the "pump priming" questions. They are meant to open up discussion, rather than to be the principle topic of discussion at today's teleconference. Others have reviewed sections of the standard and will be coming up with concerns of their own. Our objective is to uncover the questions and areas that need more state table development, and to do it in a way or in a format that will be most helpful to the chapter editors. Editors are requested to participate in this process.

The Questions/concerns:

Clause 6: - Ringlet selection needs a state diagram. When is ringlet selection active? i.e. in what states? Is it active before topology discovery? How are ringlets chosen before topology discovery? How is the wrapping option chosen? How is RPR MAC database populated with information? Do state tables describe how and what values get entered into it? How is default ringlet chosen? Where is 6.2.4.1 described in the state tables? How does MAC know its destination address is reachable? The algorithm to choose ringlets may be implementation specific. However, the parameter values used must be transmitted according to rules specified in the standard and in its state diagrams. 6.3: A methodology of setting bounds that can be met must be demonstrated and contained within this standard if it is usable by the RBOCS. Is an informative annex required that provides some guidance on the part our MAC plays on the performance of the RPR ring?

Clause 10, topology discovery: Does it work if the wring is in wrap and a new station gets in? Where do the state diagrams describe this? Do topology discovery frames get wrapped? Where is the answer in the state diagrams? In topology discovery what happens when a ring breaks?

I expect that a portion of the output of the State Table Ad Hoc will lead to specific comments on Draft 1.0 for additional information to be contained in the state tables.