RE: [EFM] Re: OAM Transport Proposal
At 10:25 AM 05/01/2002 -0400, Matt Squire wrote:
>>I agree with your viewpoints on minor issues 1:5 except for the part
>>where you say that OAM in Preamble is PHY specific. OAM in Preamble is
>>architected to be PHY independent. It is architected to apply
>>to as many
>>optical and copper PHYs as possible while simultaneously being very
>>"close" to the PHY for performance reasons.
>I think we're on the same page. My comment was focused on a couple things:
>a) the inapplicability of any use of the preamble to copper
>b) the inapplicability of any preamble use to half-duplex
Is it true that preamble can not be used in half-duplex?
I think in half-duplex 8-byte preamble is always preserved
to make sure the size of the jam (8-byte preamble + 4 byte bad FCS).
>So I guess its "mostly" independent:)