Thread Links Date Links
Thread Prev Thread Next Thread Index Date Prev Date Next Date Index

Re: [802.3_50G] 答复: [802.3_50G] CAUI-4 operatingmodes



On slide 5 of the reference it says “

Note: 50GE cases taken for simplicity, applies to 100GE as well”

 

It isn’t clear to me how this applies to 100G as the legacy system would be 100G.   I think an equivalent slide showing what 100G would look like (maybe including discussion of module form factors) would be helpful.

 

Mike Dudek 

QLogic Corporation

Director Signal Integrity

26650 Aliso Viejo Parkway

Aliso Viejo  CA 92656

949 389 6269 - office.

Mike.Dudek@xxxxxxxxxx

 

 

From: Chris Cole [mailto:chris.cole@xxxxxxxxxxx]
Sent: Wednesday, March 02, 2016 9:54 AM
To: STDS-802-3-50G@xxxxxxxxxxxxxxxxx
Subject: Re: [802.3_50G]
答复: [802.3_50G] CAUI-4 operatingmodes

 

Hi Brad,

 

We tried to capture the details of the various applications in Rob’s presentation:

 

http://www.ieee802.org/3/50G/public/adhoc/archive/stone_021716_50GE_NGOATH_adhoc-v2.pdf

 

We will have an updated presentation in Macau.

 

More broadly, you raise a very important question which is the relevance of IEEE 802.3 broad market potential, economic feasibility, and distinct identity criteria to the realities of the market place today. The trend has been for exponential proliferation of optical PMDs and form factors. At 10G the industry consensus was that lowest cost is achieved by reaching agreement on a couple of solutions (SR and LR in SFP+) which everyone focused on developing and deploying, hence creating a broad market. For 100G and higher, the new industry approach to lowest cost is developing unique technology optimized to individual applications. MS nicely articulated this perspective in 802.3 by commenting that it will deploy whatever best solves its problems, independent of whether it’s standardized in the IEEE or not. Other Web 2.0 companies have similar approach. Since different end users have different requirements, the industry has responded by developing multitude of different solutions. Which raises the question whether there will even be such a thing as a broad market in the optics industry, and if not then it’s problematic to use it as a criteria for new standards.  

 

Chris

 

From: B Booth [mailto:bbooth@xxxxxxxx]
Sent: Tuesday, March 01, 2016 8:13 PM
To: STDS-802-3-50G@xxxxxxxxxxxxxxxxx
Subject: Re: [802.3_50G]
答复: [802.3_50G] CAUI-4 operatingmodes

 

If we're going to use titles like "Supported Applications" can we at least highlight what those applications are. Where in the network is that link intended to be used? What is the intended application space or market?

Otherwise, how do we evaluate broad market potential, economic feasibility, distinct identity, etc?

Thanks,
Brad


From: Wangxinyuan (Xinyuan)
Sent: ‎3/‎2/‎2016 4:23 AM
To: STDS-802-3-50G@xxxxxxxxxxxxxxxxx
Subject: [802.3_50G] 答复: [802.3_50G] CAUI-4 operatingmodes

Another option?

Just borrow from Chris table, with  “S3”.

Scenario

Supported

FEC Type

50Gb/s xAUI

100Gb/s xAUI

200Gb/s xAUI

Applications

S3

Long-term

KP4 RS-544

LAUI
LAUI-2

CAUI-2
CAUI-4?

CCAUI-4
CCAUI-8

Near-term

 

 

发件人: Chris Cole [mailto:chris.cole@xxxxxxxxxxx]
发送时间: 201632 6:48
收件人: STDS-802-3-50G@xxxxxxxxxxxxxxxxx
主题: Re: [802.3_50G] CAUI-4 operating modes

 

The 50/100/200G SG will be making a choice in Macau between two objective setting scenarios for 50, 100, 200Gb/s xAUI chip-to-module interfaces.

 

 

[The entire original message is not included.]

Scenario

Supported

Applications

FEC Type

50Gb/s xAUI

100Gb/s xAUI

200Gb/s xAUI

S1

Backwards

Compatibility

KR4 RS-528

LAUI

LAUI-2

CAUI-2

N.A.

Long-term

Mainstream

KP4 RS-544

LAUI</