BY ED GUBBINS, EXECUTIVE NEWS EDITOR, TELEPHONY
The dramatic rise of video traf- to follow. But CdN isn’t the only Meanwhile, other innova-
fic represents both job security way that carriers are adapting tors are finding their own ways
and an increasingly heavy bur- their networks for video. to bond lines. Some are even
den for anyone in the business For those using existing bonding lines from disparate
of delivering it. To keep pace infrastructure to boost band- providers – including dSL with
with this fast-moving flood, width, new technologies are cable or wireless – to achieve
telecom service providers and emerging to push those band- not only greater bandwidth
equipment vendors alike are width speeds ever higher. A speeds but redundancy, since a
building and using new tech- range of broadband-bonding service from multiple providers
nologies to make the delivery of technologies is growing more can maintain continuity if one of
video faster and more efficient. prevalent in real-world net- those providers fails. Startups
For years, telecom service works. While broadband bond- have taken both an end-to-end
providers have faced questions ing has been boosting speeds approach to this task, joining
surrounding how to fit broad- in business networks for years, servers and software in the
band access networks for vid- delivering carrier-grade Ether- network with routers in the
eo. Some have deployed fiber net services, it is now gaining home, as well as a single-ended
all the way to customer homes. steam in consumer networks. approach, using only customer
Some have done so only for For example, Sure West Com- premises equipment.
new construction. Some have munications, a competitive Cable providers are bonding
deployed fiber to neighborhood carrier based in Sacramento, consumer lines as well. Comcast
nodes, using them as spring- CA, is bonding AdSL2+ lines in has been rolling out dOCSIS 3.0
boards from which to push its incumbent territory, roughly technology, which bonds four
higher bandwidth down the doubling downstream broad- channels to boost bandwidth
existing “last mile” of copper band speeds there and spark- to the home. Though economic
to the home. ing the possibility of an even- turmoil slowed cable broadband
Level 3 Communications tual rollout of video services rollouts last fall, innovation con-
(Booth C2351), for example, over copper. This year, AT&T tinues to advance in this space. which is demonstrating its Vyvx (Booth C1451) is expected to Chip vendors are now introduc-Broadcast Video Services at the begin trial bonding of its VdSL2 ing new versions of dOCSIS 3.0 NAB Show, has evolved in re- networks, a move more fo- that bond eight channels rather cent years to enter the content cused on extending the reach than four, theoretically boosting delivery networks (CdN) space, of its broadband, voice and downstream throughput to more prompting others like Verizon video networks than boosting than 300Mb/s.
Communications (Booth C6946) bandwidth speeds in general. continued on page 26
Out-of-Home Media Mobile TV Show Highlights Content Production & Post Broadcast IPTV
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