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RE: delay constraints from XGMII to XAUI




Hi,
I think that the standard should constraint only the total delay from the
MDI to the XGMII, and leave internal partitioning to implementation.
Boaz

> -----Original Message-----
> From: Rich Taborek [mailto:rtaborek@xxxxxxxxxxxxx]
> Sent: Thursday, December 14, 2000 12:18 AM
> To: HSSG
> Subject: Re: delay constraints from XGMII to XAUI
> 
> 
> 
> Bob,
> 
> Agreed.
> 
> Steven,
> 
> Just to carify, the MDI to XGMII delay includes the XAUI to 
> XGMII delay.
> 
> Best Regards,
> Rich
>      
> --
> 
> "Grow, Bob" wrote:
> > 
> > The only MAC requirement I can think of for bounding the 
> lower layer delay
> > is for buffer sizing for 802.3x flow control.  That has 
> been the factor for
> > keeping the delay tables in various clauses.
> > 
> > --Bob Grow
> > 
> > -----Original Message-----
> > From: Steven Shen [mailto:ss_shen@xxxxxxxxxxxxxxxxx]
> > Sent: Wednesday, December 13, 2000 11:58 AM
> > To: stds-802-3-hssg@xxxxxxxx
> > Subject: delay constraints from XGMII to XAUI
> > 
> > Hi all:
> > 
> > In D2.0 table 48.5 defines the MDI to XGMII delay 
> constraints to be 272
> > UI. I wonder that "is there any delay constraints on XAUI to XGMII
> > (PCS+PMA)"?
> > 
> > thanks
> > 
> > best regards
> > 
> > Steven Shen
> > Silicon Bridge Inc.
>                                  
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