Request for New Slow Protocol Subtype for ITU-T Developed Protocols

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					                     INTERNATIONAL TELECOMMUNICATION UNION                                               COM 15 – LS 158 – E
                     TELECOMMUNICATION
                     STANDARDIZATION SECTOR
                                                                                                                          English only
                     STUDY PERIOD 2005-2008
                                                                                                                 Original: English
 Question(s):           4/15                                                                                 Geneva, 4-15 June 2007


 Source:                ITU-T SG15
 Title:                 Request for New Slow Protocol Subtype for ITU-T Developed Protocols

                                                     LIAISON STATEMENT
 To:                    Tony Jeffree (Chair, IEEE 802.1), Bob Grow (Chair, IEEE 802.3)
 Approval:              Agreed to at SG15 meeting June 2007
 For:                   Action
 Deadline:              1 October 2007
                        Marcos Tzannes                                                  Tel: +1-781-276-4000
 Contact:
                        Aware                                                           Fax: +1-781-276-4001
                        USA                                                             Email: marcos@aware.com


 At the June 2007 meeting of SG15, a new annex to G.998.2 was consented. G.998.2 is the Ethernet
 bonding Recommendation within ITU-T, based on, and heavily referencing, Clause 61 of IEEE
 802.3. Both IEEE 802.3 (Clause 61) and G.998.2 use “G.hs” at initialization to perform
 aggregation and discovery. This new G.998.2 annex defines a frame based protocol, referred to as
 the Bonding Aggregation Control Protocol (BACP), that exchanges information allowing two
 systems to control which PMEs are mapped to which PAFs in a simple and seamless manner. This
 protocol can be used with, or in lieu of, the G.hs discovery/aggregation process.
 The ITU-T would like to utilize the IEEE 802.3 Slow Protocols format for this protocol. This
 protocol adheres to the processing and forwarding behaviour for Slow Protocols as defined in IEEE
 802.3. Specifically, the ITU-T requests a Slow Protocols subtype be allocated to the ITU-T for
 protocol development by the ITU-T. The ITU-T will take further steps to create an additional ITU-
 T subtype so that this and any future Slow Protocol development by the ITU-T would fall under the
 same ITU-T Slow Protocols subtype.
                                                      ___________________




Attention: Some or all of the material attached to this liaison statement may be subject to ITU copyright. In such a case this will be
indicated in the individual document.
Such a copyright does not prevent the use of the material for its intended purpose, but it prevents the reproduction of all or part of it in a
publication without the authorization of ITU.

				
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