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Meeting notes, May 18th Teleconference Prepared by John D’Ambrosia Attendees John D’Ambrosia, Force10 (Chair) Adam Healey, LSI Nathan Tracy, Tyco John Patron, Avago George Noh Chris DiMinico, MC Communications Robert Coenen, Reflex Photonics Mike Dudek, QLogic Jeff Maki, Juniper Piers Dawe, IPtronics Marco Mazzini, Cisco Petar Pepeljugoski Vittal Balasubramanian, FCI Andreas Lenkisch, Pentair Steve Trowbridge, Alcatel Lucent Rick Rabinovich, Alcatel Lucent Paul Kolesar, Commscope Andre Szczepanek, Inphi Iain Robertson, TI Galen Fromm, Molex Dan Rausch, Avago Pirooz Tooyserkani, Cisco Farzin Firoozmand Beth Donnay, Force10 Greg McSorley, Amphenol Joel Goergen, Cisco Patent Policy link shown. Call for patents done – no one
stepped forward. Reminder to sign up for Dialog Reflector. (Please see http://www.ieee802.org/3/dialog_reflector.html
if you are not signed up yet. John D’Ambrosia showed dambrosia_01_0510 as
introduction to call. Nathan Tracy gave tracy_01_0510. Discussion – ·
Assumptions made for channel simulations are
acceptable for connector evaluations. ·
Question was asked if backwards compatibility
for QSFP is achievable. ·
References back to distances presented in
nichol_01_0708 ( see http://www.ieee802.org/3/ba/public/jul08/nicholl_01_0708.pdf)
·
Group agreed that 4” on the host is the
minimum host distance that should be considered. ·
Discussion regarding a common pluggable
interface for copper / optics o
Desirable, but § Costs
– port density? Power related to equalization? § Architecture
– timed vs retimed o
Discussion regarding 3m for cu reach ·
Discussion regarding timed vs retimed interfaces o
Per Mike Dudek for @16G FC § Fully
retimed for 850nm optics § Partially
retimed for 1310nm optics o
Use of retimers – cost in terms of power? Next meeting will be June 29, 11:00am to 1pm Eastern.
(Invitation to be sent out). Tenatively, the ad hoc will meet Tues, July 13 (IEEE Plenary
week) from 7 pm to 9pm Pacific. |