Title: Signaled Preemption Priority Policy Element
Author(s): S. Herzog.
Status: PROPOSED STANDARD
Date: Jan 2000
Length: 21451
Obsoleted by: RFC3181
This document describes a preemption priority policy element for use by signaled policy based admission protocols (such as [RSVP] and
[COPS]).
Preemption priority defines a relative importance (rank) within the set of flows competing to be admitted into the network. Rather than admitting flows by order of arrival (First Come First Admitted) network nodes may consider priorities to preempt some previously admitted low priority flows in order to make room for a newer, high- priority flow.
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