Name: draft-jinchoi-dna-cpl-01
Title: DNA with unmodified routers: Prefix list based approach
State: Active
Authors: JinHyeock Choi
Group: Individual Submissions (none)
Date: 2004-10-25
Upon establishing a new link-layer connection, a host determines whether a
link change has occurred to examine the validity of its IP configuration.
This draft presents a way to robustly check for link change without
assuming changes to the routers. Each link can be uniquely identified by
the set of prefixes assigned to it. We propose that, at each attached link,
the host generates the complete prefix list, that is, the prefix list
contains all the prefixes on the link, and when it receives a hint that
indicates a possible link change, it detects the identity of the currently
attached link by consulting the existing prefix list. This memo describes
how to generate the complete prefix list and to robustly detect the link
identity even in the presence of packet losses.
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