Re: [mpls] poll to see if we have support to make draft-xu-mpls-in-udp an mpls working group document

Loa Andersson <loa@pi.nu> Wed, 19 December 2012 07:27 UTC

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Date: Wed, 19 Dec 2012 08:27:28 +0100
From: Loa Andersson <loa@pi.nu>
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Subject: Re: [mpls] poll to see if we have support to make draft-xu-mpls-in-udp an mpls working group document
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Folks,

The working group chairs appreciate discussion on working group drafts
or drafts intended for the working group, plese continue this
discussion!

However the subject line refers to an an ongoing poll, when the
discussion is continued please change the subject line.

/Loa
for the wg chairs

On 2012-12-19 08:22, Xuxiaohu wrote:
>> Thanks again for sharing the above information. As mentioned in this draft AND
>> other drafts, the mechanism of performing hash calculation on the Session ID
>> field in the L2TPv3 header or the Key field in the GRE header as defined in [RFC
>> 5640] is not widely supported by existing core routers so far. In contrast, most
>> existing core routers are already capable of balancing IP traffic flows based on
>> the hash of the five-tuple of UDP packets. By using the MPLS-in-UDP
>> encapsulation, the already available load-balancing capability of most existing
>> core routers can be leveraged without requiring any change to them. That is
>> the major motivation of this draft.
>
> By the way, I guess this may also be the motivation for LISP to use UDP as a tunneling technology later (See http://psg.com/lists/rrg/2007/msg00802.html)
>
> Best regards,
> Xiaohu
>
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-- 


Loa Andersson                         email: loa.andersson@ericsson.com
Sr Strategy and Standards Manager            loa@pi.nu
Ericsson Inc                          phone: +46 10 717 52 13
                                              +46 767 72 92 13