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Wednesday
Aug142013

Mobile backhaul chips rise to the LTE challenge

The Long Term Evolution (LTE) cellular standard has a demanding set of mobile backhaul requirements. Gazettabyte looks at two different chip designs for LTE mobile backhaul, from PMC-Sierra and from Broadcom.


"Each [LTE Advanced cell] sector will be over 1 Gig and there will be a need to migrate the backhaul to 10 Gig"

Liviu Pinchas, PMC-Sierra

 

 

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Thursday
Aug082013

Ciena and partners build SDN testbed for carriers 

Ciena, working with partners, is building a network to enable the development of software-defined networking (SDN) applied to the wide area network (WAN). The motivation in creating the testbed network is to boost carrier confidence in SDN while aiding its development.

 

 "When you get very serious vice presidents in tier-one carriers saying, 'This [SDN] is the biggest change in my career', there is something to it."

Chris Janz, Ciena

 

 

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Monday
Jul222013

60-second interview with Michael Howard

Infonetics Research has interviewed global service providers regarding their plans for software-defined networking (SDN) and network functions virtualisation (NFV). Gazettabyte asked Michael Howard, co-founder and principal analyst, carrier networks, about Infonetics' findings.

 

"Data centres are simple when compared to carrier networks"

Michael Howard, Infonetics Research

 

 

 

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Wednesday
Jul172013

Ovum on Infinera's Intelligent Transport Network strategy 

Infinera announced that TeliaSonera International Carrier (TSIC) is extending the use of its DTN-X to its European network, having already adopted the platform in the US. Infinera has also outlined the next evolution in its networking strategy, dubbed the Intelligent Transport Network.

Dana Cooperson

Gazettabyte asked Dana Cooperson, vice president and practice leader, and Ron Kline, principal analyst, both in the network infrastructure group at market research firm, Ovum, about the announcement and Infinera's outlined strategy.

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Friday
Jul052013

Apps over packet-optical: Ciena boosts 6500's packet handling

Source: Ciena

Ciena has enhanced its packet-optical equipment portfolio by adding packet support to its flagship 6500 platform.

Cards and software from Ciena's established Carrier Ethernet packet platforms have been added to the 6500, a packet-optical platform that features reconfigurable optical add-drop multiplexing (ROADM), WaveLogic3 coherent transponders, Optical Transport Network (OTN) switching and SONET/SDH aggregation.

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Friday
Jun282013

Classic textbooks and the challenge of ongoing learning

Gazettabyte asked its Facebook followers if there is a textbook they value more than others, and why.

It could be a book from student days or a more recent one, work-related. Also asked were readers' interest and experiences with newer styles of learning - online, and books with interactive elements and accompanying websites. Books here include business and technology titles.

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Wednesday
Jun192013

Merits and challenges of optical transmission at 64 Gbaud 

u2t Photonics announced recently a balanced detector that supports 64Gbaud. This promises coherent transmission systems with double the data rate. But even if the remaining components - the modulator and DSP-ASIC capable of operating at 64Gbaud - were available, would such an approach make sense?

Gazettabyte asked system vendors Transmode and Ciena for their views.

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