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* Added 8/Mar/2005 *

" The changes on the underlying link-layer status can be relayed to IP in the form of link-layer event notifications. Establishment and tear down of a link-layer connection are two basic events types."

[BA] I think you are referring to explicit messages resulting in establishment (e.g. PPP IPCP) or teardown (PPP LCP-terminate) of the link-layer. However, in wireless technologies the mobile node can wander out of range or suffer from high frame loss for other reasons; in these cases there can be links in intermediate states between "up" (low loss) and "down" (high loss). The distinction between link establishment/teardown events and the link state is an important one.

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-- Main.GregDaley - 09 Mar 2005

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Revision r1.1 - 09 Mar 2005 - 05:33 GMT - Main.GregDaley
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