Re: [Pals] Spencer Dawkins' Yes on draft-ietf-pals-congcons-01: (with COMMENT)
Bob Briscoe <research@bobbriscoe.net> Thu, 07 January 2016 18:56 UTC
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To: Spencer Dawkins <spencerdawkins.ietf@gmail.com>, The IESG <iesg@ietf.org>
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From: Bob Briscoe <research@bobbriscoe.net>
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Date: Thu, 07 Jan 2016 18:56:15 +0000
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Subject: Re: [Pals] Spencer Dawkins' Yes on draft-ietf-pals-congcons-01: (with COMMENT)
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Spencer, Sounds a reasonable request. With the one proviso that we should use the term "mechanism to protect other traffic, e.g. circuit breaker in the last resort". ...given I have been arguing that there will nearly always be better mechanisms (and no less complex) that a CB, which destroys and f***'s-up as much as it protects. Bob On 06/01/16 22:59, Spencer Dawkins wrote: > Spencer Dawkins has entered the following ballot position for > draft-ietf-pals-congcons-01: Yes > > When responding, please keep the subject line intact and reply to all > email addresses included in the To and CC lines. (Feel free to cut this > introductory paragraph, however.) > > > Please refer to https://www.ietf.org/iesg/statement/discuss-criteria.html > for more information about IESG DISCUSS and COMMENT positions. > > > The document, along with other ballot positions, can be found here: > https://datatracker.ietf.org/doc/draft-ietf-pals-congcons/ > > > > ---------------------------------------------------------------------- > COMMENT: > ---------------------------------------------------------------------- > > So, very nice. I have one request for you to consider. > > In this text: > > The figures presented above demonstrate that TDM service quality > degradation generally occurs before the TDM PW would consume more > bandwidth that a comparable TCP flow. Thus while TDM PWs are unable > to respond to congestion in a TCP-like manner, TDM PWs that are able > to deliver acceptable TDM service do not contribute to congestion > significantly more than a TCP flow. Combined with our earlier > conclusion that Ethernet PWs respond in TCP-like fashion, leads to > our final conclusion that no PW-specific congestion-avoidance > mechanisms are required. > > I can't tell whether or not you're saying that a TPM PW only needs a > circuit breaker as an absolute last resort, or it doesn't need a circuit > breaker, or something else. If you could finish the last sentence with a > word about that, I think it would be helpful. > > -- ________________________________________________________________ Bob Briscoe http://bobbriscoe.net/
- [Pals] Spencer Dawkins' Yes on draft-ietf-pals-co… Spencer Dawkins
- Re: [Pals] Spencer Dawkins' Yes on draft-ietf-pal… Bob Briscoe