A New Internet-Draft is available from the on-line
Internet-Drafts directories.
This draft is a work item of the Detecting Network
Attachment Working Group of the IETF.
Title : Detecting Network Attachment in IPv6
Networks (DNAv6)
Author(s) : C. University, et al.
Filename : draft-ietf-dna-protocol-07.txt
Pages : 47
Date : 2008-02-24
Efficient detection of network attachment in IPv6 needs the
following
three components: a method for hosts to detect link change
in the
presence of unmodified (non-DNAv6) routers, a method for the
host to
query routers on the link to identify the link (Link
Identification)
and a method for the routers on the link to consistently
respond to
such a query with minimal delay (Fast RA). Solving the
link
identification based strictly on RFC 2461 is difficult
because of the
flexibility offered to routers in terms of prefixes
advertised in a
router advertisement (RA) message. Similarly, the random
delay in
responding to router solicitation messages imposed by RFC
2461 makes
it difficult to receive an RA quickly. In this memo, a
mechanism
that requires the hosts to monitor all the prefixes
advertised on the
link and use it for link identification in the presence of
non-DNAv6
routers is presented. A more efficient link-identification
mechanism
requiring the DNAv6 routers to monitor the link for
advertised
prefixes to assist the hosts in link identification combined
with a
fast router advertisement mechanism that selects the order
of
response for the router deterministically is also
presented.
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-dna-protocol-07.txt
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