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Silicon Photonics

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Entries in Ciena (38)


AT&T domain suppliers




Sept 2009

Wireline Access 


Feb 2010

Radio Access Network

Alcatel-Lucent, Ericsson

April 2010

Optical and transport equipment 


July 2010

IP/MPLS/Ethernet/Evolved Packet Core

Alcatel-Lucent, Juniper, Cisco


The table shows the selected players in AT&T's domain supplier programme announced to date.

AT&T has stated that there will likely be eight domain supplier categories overall so four more have still to be detailed.

Looking at the list, several thoughts arise:

Click to read more ...


Still some way to go

Briefing: Dynamic optical networking 

Part 1: The vision .... back in 2000

I came across this article (below) on the intelligent all-optical network. I wrote it in 2000 while working at the EMAP magazine, Communications Week International, later to become Total Telecom.

What is striking is just how much of the vision of a dynamic photonic layer is still to be realised.  Back then it had also been discussed for over a decade. And bandwidth management, like in 2000, is still largely at the electrical layer.

And yet much progress has been made in networking technology. But the way the network has evolved means that a more flexible photonic layer, while wanted by operators, is only one aspect of the network optimisation they seek to reduce the cost of transporting bits.

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Ciena post-MEN

Ciena has been busy since completing the acquisition of Nortel’s Metro Ethernet Networks (MEN) business back in March.


“The 40G and 100G technology were key to the deal and we made sure that the core team was still there”


Tom Mock, Ciena




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