Re: [PCN] I-D Action: draft-ietf-pcn-3-in-1-encoding-11.txt

Martin Stiemerling <martin.stiemerling@neclab.eu> Fri, 20 April 2012 11:33 UTC

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Date: Fri, 20 Apr 2012 13:33:03 +0200
From: Martin Stiemerling <martin.stiemerling@neclab.eu>
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Subject: Re: [PCN] I-D Action: draft-ietf-pcn-3-in-1-encoding-11.txt
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Hi,

Does this draft address all comments received?

I have solicited a last round of feedback from the IESG for this draft, 
the pcn-sm, and the pcn-cl draft this morning, believing that all drafts 
are ready. This happened just this morning.

I hope to move all three drafts to the RFC editor rather soon, given 
that no more comments are received.

   Martin

-- 
IETF Transport Area Director

martin.stiemerling@neclab.eu

NEC Laboratories Europe - Network Research Division NEC Europe Limited
Registered Office: NEC House, 1 Victoria Road, London W3 6BL
Registered in England 283


On 04/20/2012 01:21 PM, internet-drafts@ietf.org wrote:
>
> A New Internet-Draft is available from the on-line Internet-Drafts directories. This draft is a work item of the Congestion and Pre-Congestion Notification Working Group of the IETF.
>
> 	Title           : Encoding 3 PCN-States in the IP header using a single DSCP
> 	Author(s)       : Bob Briscoe
>                            Toby Moncaster
>                            Michael Menth
> 	Filename        : draft-ietf-pcn-3-in-1-encoding-11.txt
> 	Pages           : 28
> 	Date            : 2012-04-20
>
>     The objective of Pre-Congestion Notification (PCN) is to protect the
>     quality of service (QoS) of inelastic flows within a Diffserv domain.
>     The overall rate of the PCN-traffic is metered on every link in the
>     PCN domain, and PCN-packets are appropriately marked when certain
>     configured rates are exceeded.  Egress nodes pass information about
>     these PCN-marks to decision points which then decide whether to admit
>     or block new flow requests or to terminate some already-admitted
>     flows during serious pre-congestion.
>
>     This document specifies how PCN-marks are to be encoded into the IP
>     header by re-using the Explicit Congestion Notification (ECN)
>     codepoints within a PCN-domain.  The PCN wire protocol for non-IP
>     protocol headers will need to be defined elsewhere.  Nonetheless,
>     this document clarifies the PCN encoding for MPLS in an informational
>     Appendix.  The encoding for IP provides for up to three different PCN
>     marking states using a single DSCP: Not-marked (NM), Threshold-marked
>     (ThM) and Excess-traffic-marked (ETM).  Hence, it is called the
>     3-in-1 PCN encoding.  This document obsoletes RFC5696.
>
>
> A URL for this Internet-Draft is:
> http://www.ietf.org/internet-drafts/draft-ietf-pcn-3-in-1-encoding-11.txt
>
> Internet-Drafts are also available by anonymous FTP at:
> ftp://ftp.ietf.org/internet-drafts/
>
> This Internet-Draft can be retrieved at:
> ftp://ftp.ietf.org/internet-drafts/draft-ietf-pcn-3-in-1-encoding-11.txt
>
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