[Forces-protocol] Instance Select

["Wang,Weiming" <[e-mail]>]

Hi Jamal, Hormuzd, etc,

To summarize the discussions on multiple instances, I try to propose following
scheme for instance selection, which follows Robert's idea and Jamal's format,
as:

PL level PDU : = MAINHDR<LFBselect>+
LFBselect := LFBCLASSID InsSelect <OPER>+
InsSelect := InstanceID <RangeMark | Instance ID >+
RangeMark := '0xFFFFFFFF'; the value is the same as Broadcast Instance address,
no worry of ambiguity here.

The InsSelect is a TLV, whose structure is shown as:

main hdr (eg type = config)
     |
     |
     +-- T = LFBselect
     |        |
     |        +- LFBCLASSID = target LFB class
     |        |
     |        |
     |        +- T = InsSelect
     |        |   |
     |        |   V = InstanceID <RangeMark | Instance ID >+
     |        |
     |        +- T = operation { ADD, DEL, GET, etc}
     ...

Best Regards,
Weiming




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