February 23, 2006 4:00 AM PST
Net video explosion triggers traffic jam worries
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of content to get it from a local server, instead of approaching the main host all at once.
Downloadable video files are large enough that few are cached at the local level, and it's expensive for content companies to do so.
Some have looked to long-demonized peer-to-peer technologies to help lessen the load. Indeed, British ISP and cable company NTL said last week that it will test BitTorrent technology, along with CacheLogic network-speeding tools, for a new video distribution service.
Older firm Kontiki is similarly working with the British Broadcasting Corp., and rival Red Swoosh has worked with Marc Cuban's HDTV network to distribute its content online.
Peer-to-peer lessens the load on ISPs by letting customers download files from computers close to them in the network. If, for example, 100 people in a network all want the same movie, that file won't clog the mouth of the network 100 times, but can be efficiently swapped in pieces between nearby viewers.
"The whole consumer electronics world is pushing for video content," said CacheLogic Chief Technology Officer Andrew Parker. "What's being recognized by many ISPs is that P2P is a very large part of that, and that there can be a way to utilize it."
The problem with P2P is that it relies on ordinary computer users' goodwill. To work well, everyone must donate a share of his or her upstream bandwidth, sharing content with others. In the underground world of music or movie-trading, this regularly happens, but it has been less widely used for commercial applications.
Billard's Itiva is one of a newer generation of companies that say they have better ideas, midway between file-swapping and Akamai's technology, that will let even high-definition video stream quickly online.
Itiva's technology works by taking a huge movie file and breaking it up into tiny individual pieces that are formatted just like ordinary Web pages. When they're downloaded by a user, these individual pieces--Itiva calls them "quanta"--are stored in ISPs' Web caches, which are already distributed in every network.
Once stored separately like this, they can be quickly downloaded and pieced together by anyone else in that network, in a way that's much more inexpensive for the ISP than if everyone was going back to the original download site.
"It's like BitTorrent for ISPs," said one top network company executive familiar with the technology, but who asked not to be named. "It's very much of interest to telcos."
Content companies and network providers are increasingly experimenting with these technologies, and the next year will likely see commercial experiments as well. But it remains in its early days, and network experts say it's far too early to say whether they'll be more efficient than simply buying more bandwidth.
"Technologies like (these) are still developing, and will be important if we get to the point where the Internet is the only communications channel," said EarthLink Chief Architect Robert Sanders. "But I don't think that day is quite there."
See more CNET content tagged:
Internet Service Provider, P2P, streaming video, video, Google Inc.
14 comments
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The fact is we've already paid for fiber broadband, why haven't we received it?
<a class="jive-link-external" href="http://www.newnetworks.com/broadbandscandals.htm" target="_newWindow">http://www.newnetworks.com/broadbandscandals.htm</a>
Did you used to be a regulated monopoly so we helped you build your network? We want our money back.
Or those right-of-way passage on our streets to hang your wires? I have cable & cell phones - don't need your wires hanging on my street enjoying a free lunch - I know you're not a hypocrite so come and remove them ...
This implies none of P2P video is legitimate.
That's just not true.
A portion of video swapping is legal, even encouraged. Sources: Google, promos, amateur, etc.
This is a BS story dealing with the economics of scarcity when the cheapest thing in the ground is all that dark fibre.
They don't scare us in the least.
And now a $55 month internet revenue turns into a couple hundred $$$ per month revenue stream. The internet gets bogged down with pipe tolls, newcomers unable to pay the fees that the big boys pay for cannot compete and pretty soon the internet world resembles the corporate real world where consumers have only a few options to choose from.
that leaves only two questions....
Exactly where did I place my (soon to be revived) library card and what will I do with the extra money I save when I cancel my net subscription?
Hmm, me thinks, the industry is full of it qite literally, given the volume of normal commercial data and the ever increasing satellite VoIP from overseas call centres(the daily terabyte unencoded stuff from banks/insurance companies/other usually travel by the standard unescorted white van around the country)
Oh well, we do live in the new age of propaganda, where all journalist's fail to ask the basic questions, and merely reprint comapany handouts verbatim, without verification like Judy M. !!!!!
sidenote: I do not endorse this view but it is easy to see hwo the ISP's can justify why WE are paying for bandwidth while simultaneously being throttled back based upon the content we decide to view.
one word: b@stards!
and Amazon, are offering content to be viewed only while you
are there. Downloads either aren't available or are fee based.
Personally, I've rejected Amazon shorts (digital prose and short
stories) because if I pay for something I want to own it. But, I
think this model is one of the answers to the increasing size of
files being transferred by ISPs. If the content is stationary, the
user goes to it. There is no transfer.
A market oddity I have experienced is having the paucity of
content for my iPod video encourage use of peer-to-peer
networks. That strikes me as an incentive for paid content
providers to make more content available. It is obvious that if
they offer it, an audience will come.
Perhaps it will be neccessary to change the manner of distribution from centralized servers to BitTorrent or something similar, but that also has been proven to work with Linux distributions on DVD, so I don't get the point of this article...