08-18-2011 04:21 AM
According to the picture of this link at Cisco´s web site:
http://www.cisco.com/web/BR/solucoes/sp/network_infrastructure/carrier_ethernet.html#~one
The picture is uploaded here as well
How does it work?
08-18-2011 06:38 PM
It is the movement of the wavelength specific optical functionality from the DWDM system, via a transponder, to the L2/L3 system. It also adds some additional optical network monitoring capabililities and optical network network planning capabilities in the optcial transport planning tools. This document provides some info.
Hope this helps.
Tom
08-19-2011 05:32 AM
Hi Tom,
First of all, thank you!
But I would like to hava a more specific answer. The DWDM system transports ip/mpls traffic isn´t it?
And it aggregates data according to the picture. How data is transported directly to the residential? There is a router connected directly and othe access techs to deliver data.
Diego.
08-19-2011 08:41 PM
Diego,
The DWDM system can transport IP/MPLS traffic over many types of circuits (POS, Ethernet over OTN, Resilient Packet Ring, muxponder, etc.). This could be residential traffic from a CMTS, DSLAM, PON OLT, or other; which is backhauled to a core router over the DWDM network. The DWDM system could incorporate P-OTS (packet optical transport system) functionality, allowing some additional grooming of the traffic across the DWDM network (instead of pt-tpt circuits).
Lots of options. No one right answer.
Tom
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