Re: [Ieprep] Diffserv Code Point for Emergency calls
"James M. Polk" <jmpolk@cisco.com> Sat, 22 October 2005 06:02 UTC
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Date: Sat, 22 Oct 2005 01:01:57 -0500
To: Reinaldo Penno <rpenno@juniper.net>
From: "James M. Polk" <jmpolk@cisco.com>
Subject: Re: [Ieprep] Diffserv Code Point for Emergency calls
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Cc: ieprep@ietf.org, ken carlberg <carlberg@g11.org.uk>
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Reinaldo Adding fuel to a discussion that has churned on many lists over the last several years, I'd really want to understand the threat anaylsis observed by such a proposal (for a emergency DSCP) to ensure it could not be used for a fairly trivial to generate DDOS on the network - even all the way to the PSAP, or just used by neighbors wanting the very best throughput for their game of Doom. At 10:57 AM 10/21/2005 -0400, ken carlberg wrote: >Hello Reinaldo, > >>I read >>http://www.ietf.org/internet-drafts/draft-ietf-ieprep-framework-10.txt >>and was somewhat puzzled at section 4.1.2. I understand that the IETF >>wants to be conservative in standardizing new DSCP, but it seems to an >>emergency call DSCP would be accepted by the community (am I wrong?). > >well, from my own take, I would say that the "community" is not >against an emergency call DSCP per se, but rather awaits specific >proposals with a cautious mindset. Recall from that section 4.1.2 >that there is a need to define a behavior in addition to identifying >a code point. So if you want a code point of 1 or more bits for >"emergency", what would be its defined forwarding behavior? > >one such proposal, primarily aimed at MLPP, is called Multi-Level >Expedited Forwarding (MLEF) and can be found at: >ftp://ftp.rfc-editor.org/in-notes/internet-drafts/draft-silverman- >tsvwg-mlefphb-03.txt > >I would also suggest reading a counter proposal that avoids defining >a new DSCP: >ftp://ftp.rfc-editor.org/in-notes/internet-drafts/draft-ietf-tsvwg- >mlpp-that-works-02.txt >you can dig around the TSVWG archives over the past 2 months for some >comments on the draft. > >-ken > > >_______________________________________________ >Ieprep mailing list >Ieprep@ietf.org >https://www1.ietf.org/mailman/listinfo/ieprep cheers, James ******************* Truth is not to be argued... it is to be presented. _______________________________________________ Ieprep mailing list Ieprep@ietf.org https://www1.ietf.org/mailman/listinfo/ieprep
- [Ieprep] Diffserv Code Point for Emergency calls Reinaldo Penno
- Re: [Ieprep] Diffserv Code Point for Emergency ca… ken carlberg
- Re: [Ieprep] Diffserv Code Point for Emergency ca… James M. Polk
- RE: [Ieprep] Diffserv Code Point for Emergency ca… Reinaldo Penno
- RE: [Ieprep] Diffserv Code Point for Emergency ca… Steve Silverman
- RE: [Ieprep] Diffserv Code Point for Emergency ca… James M. Polk
- RE: [Ieprep] Diffserv Code Point for Emergency ca… James M. Polk
- RE: [Ieprep] Diffserv Code Point for Emergency ca… Reinaldo Penno
- RE: [Ieprep] Diffserv Code Point for Emergency ca… Reinaldo Penno
- RE: [Ieprep] Diffserv Code Point for Emergency ca… James M. Polk
- RE: [Ieprep] Diffserv Code Point for Emergency ca… Reinaldo Penno
- RE: [Ieprep] Diffserv Code Point for Emergency ca… James M. Polk
- RE: [Ieprep] Diffserv Code Point for Emergency ca… Reinaldo Penno
- RE: [Ieprep] Diffserv Code Point for Emergency ca… Janet P Gunn
- RE: [Ieprep] Diffserv Code Point for Emergency ca… Steve Silverman
- RE: [Ieprep] Diffserv Code Point for Emergency ca… Dolly, Martin C, ALABS
- Re: [Ieprep] Diffserv Code Point for Emergency ca… Fred Baker
- RE: [Ieprep] Diffserv Code Point for Emergency ca… Reinaldo Penno
- RE: [Ieprep] Diffserv Code Point for Emergency ca… GOLDMAN, STUART O (STUART)
- [Ieprep] A suggestion to the chairs Fred Baker
- Re: [Ieprep] Diffserv Code Point for Emergency ca… Fred Baker