Re: [mpls] Last Call: <draft-ietf-mpls-in-udp-04.txt> (Encapsulating MPLS in UDP) to Proposed Standard

Edward Crabbe <edc@google.com> Tue, 14 January 2014 20:29 UTC

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From: Edward Crabbe <edc@google.com>
Date: Tue, 14 Jan 2014 12:28:14 -0800
Message-ID: <CACKN6JG0zP6=XYUxG_F-uczQyRPv3p0t5p8vwK6Sy9AyTtjUnA@mail.gmail.com>
To: "Joel M. Halpern" <jmh@joelhalpern.com>
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Cc: "mpls@ietf.org" <mpls@ietf.org>, "Eggert, Lars" <lars@netapp.com>, IETF discussion list <ietf@ietf.org>, Scott Brim <scott.brim@gmail.com>
Subject: Re: [mpls] Last Call: <draft-ietf-mpls-in-udp-04.txt> (Encapsulating MPLS in UDP) to Proposed Standard
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+100

the same problem would exist with or without the additional encapsulation
(this includes any L2 encaps that may exist in the case of L2 tunelling.)
 The only difference is /reach/.  This same concern exists *most* common
tunnels types in the internet today.



On Tue, Jan 14, 2014 at 7:23 AM, Joel M. Halpern <jmh@joelhalpern.com>wrote:

> Isn't that basically the problem of the inner traffic sender, not the
> problem of the tunnel that is carrying the traffic?
> Asking tunnel's to solve the problem of applications with undesirable
> behavior seems backwards.
>
> Yours,
> Joel
>
>
> On 1/14/14 10:20 AM, Eggert, Lars wrote:
>
>> On 2014-1-14, at 15:20, Stewart Bryant <stbryant@cisco.com> wrote:
>>
>>> Yes, the inner (real) transport header is the only meaningful place
>>> to apply congestion avoidance.
>>>
>>
>> But what if the inner traffic isn't congestion controlled?
>>
>> Lars
>>
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