[tsvwg] FW: New Version Notification for draft-yueven-tsvwg-dccm-requirements-00.txt
"Roni Even (A)" <roni.even@huawei.com> Wed, 26 June 2019 10:52 UTC
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From: "Roni Even (A)" <roni.even@huawei.com>
To: "tsvwg@ietf.org" <tsvwg@ietf.org>
Thread-Topic: New Version Notification for draft-yueven-tsvwg-dccm-requirements-00.txt
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Date: Wed, 26 Jun 2019 10:47:36 +0000
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Subject: [tsvwg] FW: New Version Notification for draft-yueven-tsvwg-dccm-requirements-00.txt
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Hi, I submitted this drive discussing current state of Data Centers congestion handling and requirements to achieve better congestion management and packet loss handling Please review and comment Roni Even -----Original Message----- From: internet-drafts@ietf.org [mailto:internet-drafts@ietf.org] Sent: Wednesday, June 26, 2019 1:43 PM To: Yuxiang (Yolanda); Sunwenhao (Sam); Yuxiang (Yolanda); Roni Even (A); chenfei (AC) Subject: New Version Notification for draft-yueven-tsvwg-dccm-requirements-00.txt A new version of I-D, draft-yueven-tsvwg-dccm-requirements-00.txt has been successfully submitted by Roni Even and posted to the IETF repository. Name: draft-yueven-tsvwg-dccm-requirements Revision: 00 Title: Data Center Congestion Management requirements Document date: 2019-06-25 Group: Individual Submission Pages: 11 URL: https://www.ietf.org/internet-drafts/draft-yueven-tsvwg-dccm-requirements-00.txt Status: https://datatracker.ietf.org/doc/draft-yueven-tsvwg-dccm-requirements/ Htmlized: https://tools.ietf.org/html/draft-yueven-tsvwg-dccm-requirements-00 Htmlized: https://datatracker.ietf.org/doc/html/draft-yueven-tsvwg-dccm-requirements Abstract: On IP-routed datacenter networks, RDMA is deployed using RoCEv2 protocol. RoCEv2 specification does not define a strong congestion management mechanisms and load balancing methods. RoCEv2 relies on the existing Link-Layer Flow-Control IEEE 802.1Qbb(Priority-based Flow Control, PFC) to provide a lossless fabric. RoCEv2 Congestion Management(RCM) use ECN(Explicit Congestion Notification, defined in RFC3168) to signal the congestion to the destination and use the congestion notification to reduce the rate of injection and increase the injection rate when the extent of congestion decreases. More and more practice of congestion management for RoCEv2 appear in the industry, such as DCQCN(Data Center Quantized Congestion Notification). This document describes the current state of flow control and congestion handling in the DC using RoCEv2 and provides requirements for new directions for better congestion control. Please note that it may take a couple of minutes from the time of submission until the htmlized version and diff are available at tools.ietf.org. The IETF Secretariat
- [tsvwg] FW: New Version Notification for draft-yu… Roni Even (A)