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Assumptions


> Ok, let's see if we can get the discussion started.
> 
> My take from the interim is that the major discussion point is whether
> the speed should be ~10 Gb/s or exactly 10 Gb/s. Ethernet has
> traditionally moved in orders of magnitude, 10 Mb/s, 100 Mb/s, 1000
> Mb/s. This speed is measured at the MAC. The physical layer was free
> to to whatever necessary. For example, 1000Base-X provided 1000 Mb/s
> at the MAC, but was 1250 Mb/s on the physical medium due to 8B/10B
> encoding.
> 
> My impression is the long haul telco camp wants the speed to match the
> speeds currently being used for Sonet, etc. The assumption is that it
> will be easier to interconnect ethernet networks with the WAN if the
> speeds are the same.
> 
> Is this the correct starting point?
> 
> Walter Thirion
> Vice President, Strategic Technology Development
> Level One Communications
> 512-407-2110
> 
>