RE: 850nm-4WDM-1.25Gbaud
Brad:
I appreciate your input, and we may have to speed up the proposal by quickly
responding to some questions.
My main concern is that the sole technology, 850 nm VCSEL, which created
today's cost-effective gigabit rate LAN market is not included in the
proposal. The VCSEL technology will continue to play the major role in the
10 GbE market to keep the cost affordable and to open up the market.
Following the lead by the more affordable technology, the more expensive
technologies will be demanded by the market needs. This was the sequence
happened in the Gigabit rate market.
The mass market is always looking for the top performance at lowest cost.
It is true that July is approaching very quick, and we should speed up the
process.
Nevertheless, our good common since taught us that do it "Right" is the key
to the success.
I believe all of us had some regrettable experience: overly rigid to follow
the rules set at the beginning, and not enough flexibility to accommodate
the reality uncovered later.
The mission of HSSG is to provide the right directions for 10 GbE industry;
therefore, we should continue to evaluate the over all progress and maintain
good balance.
Regards,
Edward S. Chang
NetWorth Technologies, Inc.
EChang@xxxxxxxxxxxxxxxx
Tel: (610)292-2870
Fax: (610)292-2872
Ed,
I hate to break it to you, but your logic is backwards. :-) The 802.3ae TF
does not have to select 7 PMDs in July. If the TF only selects 3 PMDs in
July to proceed forward with, then the chance of other PMD being added to
the standards work after July is very unlikely.
The other question to ask is not about whether this is technically feasible
or has a potential market, but if the body of work required to standardize
any PAM-5 proposal can be accomplished without impacting the 802.3ae
schedule. From what I am hearing, the answer is "no." If that is the case,
then PAM-5 is unlikely to win a 75% majority.
Thanks,
Brad