Re: Ask for comments on "draft-zhang-l2vpn-vpls-bd-tagging-01.txt"

["Ali Sajassi (sajassi)" <[e-mail]>]

Two points:

1) First vlan-aware bundle service is already supported in EVPN and per
Jim's suggestion "why not simply use EVPN".

2) Second, there is already a draft published about a year and half ago to
address this issue for VPLS :-)
http://tools.ietf.org/id/draft-cai-l2vpn-vpls-vlan-aware-bundling-00.txt

Cheers,
Ali



On 2/21/14 8:19 AM, "Jeff Tantsura" <[e-mail]> wrote:

>I fully subscribe to Jim's point of view.
>
>Cheers,
>Jeff
>
>
>-----Original Message-----
>From: <UTTARO>, JAMES <[e-mail]>
>Date: Friday, February 21, 2014 3:27 AM
>To: Mingui Zhang <[e-mail]>, "[e-mail]"
><[e-mail]>
>Subject: RE: Ask for comments on
>"draft-zhang-l2vpn-vpls-bd-tagging-01.txt"
>
>>The assumption being that the majority of customer are building more than
>>a two or three point VPLS domain.. My experience does not indicate that
>>VPLS is a service that supports many endpoints per VPLS VPN. Anyway why
>>not simply use EVPN for this purpose? There are no PWs,  traffic
>>traverses the same LSPs used for any other service.
>>
>>Jim Uttaro
>>
>>-----Original Message-----
>>From: L2vpn [mailto:[e-mail]] On Behalf Of Mingui Zhang
>>Sent: Friday, February 21, 2014 3:39 AM
>>To: [e-mail]
>>Subject: Ask for comments on "draft-zhang-l2vpn-vpls-bd-tagging-01.txt"
>>
>>Hi,
>>
>>Service providers are facing a heavy provisioning overhead in VPLS since
>>a mass of PWs need to be maintained. If PEs can use Customer VLAN ID as a
>>service discriminator in VPLS, the required number of PWs will be greatly
>>reduced. Therefore, the provision overhead can be significantly relieved.
>>
>>Authors compose the draft to justify the solutions on recognizing
>>Customer VLAN IDs in VPLS. We wish to receive your comments and
>>suggestions. 
>>
>>Thanks,
>>Mingui
>>
>>>-----Original Message-----
>>>From: I-D-Announce [mailto:[e-mail]] On Behalf Of
>>>[e-mail]
>>>Sent: Friday, February 14, 2014 5:10 PM
>>>To: [e-mail]
>>>Subject: I-D Action: draft-zhang-l2vpn-vpls-bd-tagging-01.txt
>>>
>>>
>>>A New Internet-Draft is available from the on-line Internet-Drafts
>>>directories.
>>>
>>>
>>>        Title           : Tagging Customer Bridge Domains in VPLS
>>>        Authors         : Mingui Zhang
>>>                          Bin Wang
>>>                          Liang Xia
>>>                          Jie Hu
>>>	Filename        : draft-zhang-l2vpn-vpls-bd-tagging-01.txt
>>>	Pages           : 8
>>>	Date            : 2014-02-14
>>>
>>>Abstract:
>>>   This document proposes to use Customer VLAN ID as a identifier for
>>>   traffic isolation in Virtual Private LAN Service (VPLS). In this way,
>>>   multiple bridge domains of customers can share a single VPLS instance
>>>   while their traffic are separated. With this proposal, Service
>>>   Providers can be relieved from the heavy provisioning overhead of
>>>   large number of pseudowires in the environment where a mass of bridge
>>>   domains need be connected.
>>>
>>>
>>>The IETF datatracker status page for this draft is:
>>>https://datatracker.ietf.org/doc/draft-zhang-l2vpn-vpls-bd-tagging/
>>>
>>>There's also a htmlized version available at:
>>>http://tools.ietf.org/html/draft-zhang-l2vpn-vpls-bd-tagging-01
>>>
>>>A diff from the previous version is available at:
>>>http://www.ietf.org/rfcdiff?url2=draft-zhang-l2vpn-vpls-bd-tagging-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/
>>>
>>>_______________________________________________
>>>I-D-Announce mailing list
>>>[e-mail]
>>>https://www.ietf.org/mailman/listinfo/i-d-announce
>>>Internet-Draft directories: http://www.ietf.org/shadow.html or
>>>ftp://ftp.ietf.org/ietf/1shadow-sites.txt
>>
>