Re: [Pals] I-D Action: draft-ietf-pals-ethernet-cw-03.txt

This version addresses Sasha's comments on MS-PW.

- Stewart


On 01/03/2018 14:24, [email protected] wrote:
> A New Internet-Draft is available from the on-line Internet-Drafts directories.
> This draft is a work item of the Pseudowire And LDP-enabled Services WG of the IETF.
>
>          Title           : Use of Ethernet Control Word RECOMMENDED
>          Authors         : Stewart Bryant
>                            Andrew G Malis
>                            Ignas Bagdonas
> 	Filename        : draft-ietf-pals-ethernet-cw-03.txt
> 	Pages           : 9
> 	Date            : 2018-03-01
>
> Abstract:
>     The pseudowire (PW) encapsulation of Ethernet, as defined in RFC4448,
>     specifies that the use of the control word (CW) is optional.  In the
>     absence of the CW an Ethernet pseudowire packet can be misidentified
>     as an IP packet by a label switching router (LSR).  This in turn may
>     lead to the selection of the wrong equal-cost-multi-path (ECMP) path
>     for the packet, leading in turn to the misordering of packets.  This
>     problem has become more serious due to the deployment of equipment
>     with Ethernet MAC addresses that start with 0x4 or 0x6.  The use of
>     the Ethernet PW CW addresses this problem.  This document recommends
>     the use of the Ethernet pseudowire control word in all but
>     exceptional circumstances.
>
>     This document updates RFC4448.
>
>
> The IETF datatracker status page for this draft is:
> https://datatracker.ietf.org/doc/draft-ietf-pals-ethernet-cw/
>
> There are also htmlized versions available at:
> https://tools.ietf.org/html/draft-ietf-pals-ethernet-cw-03
> https://datatracker.ietf.org/doc/html/draft-ietf-pals-ethernet-cw-03
>
> A diff from the previous version is available at:
> https://www.ietf.org/rfcdiff?url2=draft-ietf-pals-ethernet-cw-03
>
>
> 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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