A New Internet-Draft is available from the on-line Internet-Drafts directories.
Title : Layer-Transcending Traceroute for Overlay Networks like VXLAN
Authors : Erik Nordmark
Chandra Appanna
Alton Lo
Filename : draft-nordmark-nvo3-transcending-traceroute-01.txt
Pages : 18
Date : 2015-10-19
Abstract:
Tools like traceroute have been very valuable for the operation of
the Internet. Part of that value comes from being able to display
information about routers and paths over which the user of the tool
has no control, but the traceroute output can be passed along to
someone else that can further investigate or fix the problem.
In overlay networks such as VXLAN and NVGRE the prevailing view is
that since the overlay network has no control of the underlay there
needs to be special tools and agreements to enable extracting traces
from the underlay. We argue that enabling visibility into the
underlay and using existing tools like traceroute has been overlooked
and would add value in many deployments of overlay networks.
This document specifies an approach that can be used to make
traceroute transcend layers of encapsulation including details for
how to apply this to VXLAN. The technique can be applied to other
encapsulations used for overlay networks. It can also be implemented
using current commercial silicon.
The IETF datatracker status page for this draft is:
https://datatracker.ietf.org/doc/draft-nordmark-nvo3-transcending-traceroute/
There's also a htmlized version available at:
https://tools.ietf.org/html/draft-nordmark-nvo3-transcending-traceroute-01
A diff from the previous version is available at:
https://www.ietf.org/rfcdiff?url2=draft-nordmark-nvo3-transcending-traceroute-01
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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