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Re: FW: Req. clarification
> The section 5.5.2 states: "... preemption is defined independently of
> class types..." Controductory to this, the section 5.2 of the same
> document uses the terms "high priority class" , "low priority class" and
> "preemption of lower priority class by higher priority class". What is
> actual relation between the class types and the preemption/priority
The document discusses reservation of bandwidth on the link with respect to various LSP class types (EF, AF1-4) and the constraints imposed by the EF class type. The aggregate BW used by all LSPs of a class type may exceed certain proportions but when a higher priority LSP is to be created, the lower class type LSP(s) can be preempted by the higher priority LSP. Hope this helps.