Re: Ethernet over WANs
I believe all those SONET requirements will be added at the WAN/PHY (SONET
> Hi all,
> I recently subscribed to this list and was going through the archives
> Some people have mentioned about sending Ethernet over MAN/WAN links.
> The question I have is Ethernet doesn't have OAM features of SONET.
> That is a critical feature for WANs (and not LANs)
> How is that handled for 10GbE? Can you make intellegent enough DWDM
> elements to handle that. Doesn't that by itself add overhead which is
> comparable to SONET overhead. If so, then why is there so much
> as to replace SONET by 10GbE.
> In packet over SONET, we use PPP which adds very little
> overhead. Can't we use the same format for 10GbE over SONET. In that
> case we can define the 10GbE standard without worrying about SONET .
> Just my 2c.
> Edward S. Chang
NetWorth Technologies, Inc.