A New Internet-Draft is available from the on-line Internet-Drafts directories.
This draft is a work item of the Open Shortest Path First IGP Working Group of the IETF.
Title : Hiding Transit-only Networks in OSPF
Author(s) : Yi Yang
Alvaro Retana
Abhay Roy
Filename : draft-ietf-ospf-prefix-hiding-07.txt
Pages : 14
Date : 2012-12-17
Abstract:
A transit-only network is defined as a network connecting routers
only. In OSPF, transit-only networks are usually configured with
routable IP addresses, which are advertised in Link State
Advertisements (LSAs) but not needed for data traffic. In addition,
remote attacks can be launched against routers by sending packets to
these transit-only networks. This document presents a mechanism to
hide transit-only networks to speed up network convergence and reduce
remote attack vulnerability.
In the context of this document, 'hiding' implies that the prefixes
are not installed in the routing tables on OSPF routers. In some
cases, IP addresses may still be visible when using OSPFv2.
This document updates RFC 2328 and RFC 5340.
The IETF datatracker status page for this draft is:
https://datatracker.ietf.org/doc/draft-ietf-ospf-prefix-hiding
There's also a htmlized version available at:
http://tools.ietf.org/html/draft-ietf-ospf-prefix-hiding-07
A diff from the previous version is available at:
http://www.ietf.org/rfcdiff?url2=draft-ietf-ospf-prefix-hiding-07
Internet-Drafts are also available by anonymous FTP at:
ftp://ftp.ietf.org/internet-drafts/
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