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The Marriage of IP with OTN/DWDM !

19 June, 2014 by Faisal Khan 40 Comments

When revenue per bit starts falling and cost per bit starts increasing, it’s time to think about alternative strategies to expand Transmission/IP network. As IP is predominant traffic in Transmission networks, therefore any expansion strategy on Transmission should be driven by IP demands. Indeed, both IP and Transmission departments need to work for a joint and synergetic […]

Filed Under: 100G, DWDM, High Speed Transport, IP/MPLS Tagged With: DWDM, IP, IP offload, IP/MPLS, MPLS, OTN, Router offload

What your DWDM vendor did not tell you about latency for your Data Center Interconnect

28 September, 2013 by Faisal Khan 36 Comments

  Are you concerned about  latency in your data center links running  over optical network ? Or, are you planning for Data Center Interconnectivity in near future and want to know  the impact of delays involved. The read on, for some useful tips to know your options. Chances are, you are already using DWDM to […]

Filed Under: 100G, ASON GMPLS, Carrier Ethernet, DWDM, High Speed Transport, IP/MPLS, ITU-T, MPLS-TP, OAM, P-OTN, SDN, Uncategorized Tagged With: Data Center Interconnect, Data Center Interconnectivity, DCI, Latency DWDM

Three things, Operators should know about combining Protection on IP/MPLS and Optical Layers.

12 June, 2013 by Faisal Khan 2 Comments

  If  an Operator decides to deploy Multi-layer protection using both IP/MPLS and Optical domain, he faces a number of challenges: IP/MPLS and Optical control planes work separately in transport networks; they are, usually, disjoint and do not communicate with each other. IP/MPLS circuits are provisioned as one of the services for optical layer with no co-ordination between them. While the “disjoint” protection strategy may work.but it is NOT […]

Filed Under: ASON GMPLS, DWDM, IP/MPLS Tagged With: GMPLS, IP/MPLS Protection, IPoDWDM, Optical Protection

Does P-OTS 2.0 address operators’ needs?

29 March, 2013 by Faisal Khan Leave a Comment

Research firm, Heavy Reading, defines “P-OTS as a platform that combines SONET/SDH, connection-oriented Ethernet, DWDM and, depending on where the platform is used within the network, also optical transport network (OTN) switching and reconfigurable optical add-drop multiplexers (ROADMs)” As per Heavy reading, there is a growing trend now, with more and more operators asking about […]

Filed Under: DWDM Tagged With: OTN, P-OTS, P-OTS 2.0

400G is decided to be the next rate after 100G

2 February, 2013 by Faisal Khan Leave a Comment

The past year was hectic in terms of discussions regarding what could the next client rate for Ethernet and at the same time discussions were going on to decide the next line rate. There was a debate on whether the industry should go for 400GE or jump straight to 1 Terabit. Earlier in the same […]

Filed Under: DWDM Tagged With: 100G, 400G, 400GE

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