A New Internet-Draft is available from the on-line Internet-Drafts directories.
This draft is a work item of the Layer 2 Virtual Private Networks Working Group of the IETF.
Title : IP-Only LAN Service (IPLS)
Authors : Himanshu Shah
Eric Rosen
Francois Le Faucheur
Giles Heron
Filename : draft-ietf-l2vpn-ipls-15.txt
Pages : 31
Date : 2014-10-15
Abstract:
A Virtual Private LAN Service (VPLS) is used to interconnect
systems across a wide-area or metropolitan-area network, making it
appear that they are on a private LAN. The systems which are
interconnected may themselves be LAN switches. If, however, they
are IP hosts or IP routers, certain simplifications to the operation
of the VPLS are possible. We call this simplified type of VPLS an
"IP-only LAN Service" (IPLS). In an IPLS, as in a VPLS, LAN
interfaces are run in promiscuous mode, and frames are forwarded
based on their destination MAC addresses. However, the maintenance
of the MAC forwarding tables is done via signaling, rather than via
the MAC address learning procedures specified in [IEEE 802.1D].
This draft specifies the protocol extensions and procedures for
support of the IPLS service.
The original intent was to provide an alternate solution to VPLS
for those PE routers that were not capable of learning MAC address
through data plane. This became a non-issue with newer hardware.
The concepts put forth by this draft are still valuable and are
adopted in one form or other by newer work such as Ethernet VPN
in L2VPN Working Group and possible data center applications. At
this point, no further action is planned to update this document
and is published simply as a historic record of the ideas.
The IETF datatracker status page for this draft is:
https://datatracker.ietf.org/doc/draft-ietf-l2vpn-ipls/
There's also a htmlized version available at:
http://tools.ietf.org/html/draft-ietf-l2vpn-ipls-15
A diff from the previous version is available at:
http://www.ietf.org/rfcdiff?url2=draft-ietf-l2vpn-ipls-15
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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