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Re: [STDS-802-3-EPOC] Question on FER Objective

I had to work with JDSU to develop a test access system for cell tower and one of the tests required by the carriers was frame loss ratio. That test required that test what I would call standard frame sizes to be tested (64, 128, 256 etc ) transported through a network that had to pass a frame 2080 in size. Yes that was a little odd but the carrier was doing a couple of other things that needed to be supported. To that end though when the testing failed it was usually the smaller frames not the larger ones.

From: Shellhammer, Steve [mailto:sshellha@xxxxxxxxxxxxxxxx]
Sent: Wednesday, January 30, 2013 4:54 PM
To: STDS-802-3-EPOC@xxxxxxxxxxxxxxxxx
Subject: Re: [STDS-802-3-EPOC] Question on FER Objective

Mark, Victor, Marek, Duane,

               Thanks for the feedback.  It sounds like the worst case is 2000 bytes, which is what I would have guessed
Thanks,
Steve

From: Duane Remein [mailto:Duane.Remein@xxxxxxxxxx]
Sent: Wednesday, January 30, 2013 1:49 PM
To: STDS-802-3-EPOC@xxxxxxxxxxxxxxxxx<mailto:STDS-802-3-EPOC@xxxxxxxxxxxxxxxxx>
Subject: Re: [STDS-802-3-EPOC] Question on FER Objective

All,
I would assume 64-2000 bytes.
Best Regards,
Duane

FutureWei Technologies Inc.
duane.remein@xxxxxxxxxx<mailto:duane.remein@xxxxxxxxxx>
Director, Access R&D
919 418 4741
Raleigh, NC

From: Mark Laubach [mailto:laubach@xxxxxxxxxxxx]
Sent: Wednesday, January 30, 2013 4:04 PM
To: STDS-802-3-EPOC@xxxxxxxxxxxxxxxxx<mailto:STDS-802-3-EPOC@xxxxxxxxxxxxxxxxx>
Subject: Re: [STDS-802-3-EPOC] Question on FER Objective

Hi Steve,

Likely we probably all assumed 64 octet to ~1518 octet Ethernet packets and probably should discuss up to 2000 octets.

I'm assuming others will comment on this.

Cheers,
Mark

From: Shellhammer, Steve [mailto:sshellha@xxxxxxxxxxxxxxxx]
Sent: Wednesday, January 30, 2013 10:40 AM
To: STDS-802-3-EPOC@xxxxxxxxxxxxxxxxx<mailto:STDS-802-3-EPOC@xxxxxxxxxxxxxxxxx>
Subject: [STDS-802-3-EPOC] Question on FER Objective

Mark, et. al.,

               In our Objectives it says we have a frame error ratio (rate) of 10^-6 on the downstream and 5x10^-5 on the upstream,

               http://grouper.ieee.org/groups/802/3/bn/EPoC_objectives_update_1115.pdf

               In 802.3 what frame size is used in this objective?

Thanks,
Steve


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