A New Internet-Draft is available from the on-line Internet-Drafts directories.
Title : Deterministic Address Mapping to Reduce Logging in Carrier Grade NAT Deployments
Authors : Chris Donley
Chris Grundemann
Vikas Sarawat
Karthik Sundaresan
Olivier Vautrin
Filename : draft-donley-behave-deterministic-cgn-09.txt
Pages : 14
Date : 2014-12-11
Abstract:
In some instances, Service Providers have a legal logging requirement
to be able to map a subscriber's inside address with the address used
on the public Internet (e.g. for abuse response). Unfortunately,
many Carrier Grade NAT logging solutions require active logging of
dynamic translations. Carrier Grade NAT port assignments are often
per-connection, but could optionally use port ranges. Research
indicates that per-connection logging is not scalable in many
residential broadband services. This document suggests a way to
manage Carrier Grade NAT translations in such a way as to
significantly reduce the amount of logging required while providing
traceability for abuse response. IPv6 is, of course, the preferred
solution. While deployment is in progress, service providers are
forced by business imperatives to maintain support for IPv4. This
note addresses the IPv4 part of the network when a Carrier Grade NAT
solution is in use.
The IETF datatracker status page for this draft is:
https://datatracker.ietf.org/doc/draft-donley-behave-deterministic-cgn/
There's also a htmlized version available at:
http://tools.ietf.org/html/draft-donley-behave-deterministic-cgn-09
A diff from the previous version is available at:
http://www.ietf.org/rfcdiff?url2=draft-donley-behave-deterministic-cgn-09
Please note that it may take a couple of minutes from the time of submission
until the htmlized version and diff are available at tools.ietf.org.
Internet-Drafts are also available by anonymous FTP at:
ftp://ftp.ietf.org/internet-drafts/
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