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HomeAuthorsPosts by Jim Duffy

Jim Duffy

Articles by Jim Duffy

Lighting up copper loop

Jim Duffy -
If fibre is not coming to a building or curb near you, it

Command performance

Jim Duffy -
Performance monitoring is moving front and centre in optical networking, especially as channel speeds increase, channel spacing becomes denser and topologies change.

The fibreless city

Jim Duffy -
The most important optical tool in breaking the metro bandwidth bottleneck is the fibre.

Roth replacement search begins for Nortel

Jim Duffy -
Last month's news that Nortel Networks Corp. CEO John Roth will retire in 11 months casts more uncertainty over the beleaguered telecom giant.

Analysts: Lucent-Alcatel merger unlikely

Jim Duffy -
As Lucent Technologies Inc. directors reportedly meet this week to discuss a merger with Alcatel SA, analysts say it's unlikely the two will come together.

Carrier spending not expected to rise

Jim Duffy -
Just when you thought the news couldn't get any worse, New York-based financial services firm UBS Warburg LLC said last month that carriers have already spent as aggressively as they will from quarter to quarter this year.

Sensible start-ups

Jim Duffy -
Let's consider the business propositions put forth by start-ups Equipe Communications Corp. and WaveSmith Networks Inc.

Nortel spreads MPLS across product line

Jim Duffy -
Nortel Networks said late last month it will implement Multi-protocol Label Switching as a common signaling protocol across its entire optical, wireless and core IP product line.
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