Print 50 comment(s) - last by sphyder.. on Feb 21 at 2:19 PM

Cable giant defends Data Discrimination policy with 80 pages of chaff

The Internet was set alight last October, when news broke out that Comcast actively interfered with P2P traffic. Nasty words flew back and forth. Lawsuits were filed. Even the FCC joined the party, kicking off its own investigation early last January.

Fast forward to last Tuesday, when Comcast answered the FCC’s inquiries with an 80 page reply (PDF) that explained the company’s rationale behind its definition of “reasonable network management:”

Notwithstanding the enormous capacity and flexibility of the cable infrastructure, there are (and always will be) some throughput limitations. Thus, the question is not whether all customers will be able to use shared bandwidth indiscriminately… but, rather, how to optimize every customer’s online experience and ability to … use all Internet applications and services.”

Fair enough. Other parts of the document point out that Comcast is more concerned with making sure that their average users can surf the web proper, as opposed to placating the desires of a “vocal minority of users who make the most noise.”

Right there, however, Comcast’s logic falls apart. A quarter of the way through the document – Page 14, according to Acrobat – Comcast defers to the testimony of Congresswoman Mary Bono Mack, who says that “P2P applications are designed to consume as much bandwidth as is available, thus more capacity only results in more consumption.”

So that much is true – but just as true are the numerous other protocols and applications that are also bandwidth intensive. Almost every other non-streaming application works because of similar goals: using as much bandwidth as necessary to obtain optimal results. In some cases, bandwidth requirements are minimal, like in online chat applications. In other cases, however, saturating a user’s limited pipe simply isn’t fast enough, as you simply cannot escape the fact that downloading a file or streaming a high quality video requires a comparatively large amount of data. There are many, many bandwidth hogs out there that are just as good, if not better, at “clogging the tubes” than BitTorrent and its ilk.

Look at Windows Update: every time Microsoft drops a big patch on the Windows masses, literally hundreds of millions of computers throughout the world will compete for space to download it – and it is quite often very large: a 2005 estimate from Chris St. Amand of the Microsoft Operations team pegged Windows update traffic at 10-15 gigabits per second from the main download center during peak periods.

Comcast users represent a significant chunk of that number, being that the ISP is currently the #2 provider of Internet services in the United States. Where’s Comcast stepping in to manage its subscribers’ use of Windows Update?

The point I’m trying to make here is that BitTorrent isn’t the only bandwidth demon that haunts ISPs, and for Comcast and Congresswoman Bono Mack to accuse it of consuming “as much bandwidth as possible,” without mentioning many of the other applications that do as well, is obfuscating the real issue: that Internet consumption is expanding faster than ISPs would like it to.

Services like BitTorrent, and other P2P apps, have a legitimate place in today’s and tomorrow’s Internet. A number of progressive companies – Blizzard Entertainment, Joost, and others – use BitTorrent, or BitTorrent-like systems, to offload content away from the old guard of expensive, centralized client-server models and towards newer, P2P models. While this model does introduce an extra burden on the ISPs, I would think that ISPs should be responding to the needs of their customers, and not the other way around.

Food for thought: if Comcast invested all the money spent on excessive “network management” towards expanding the weak points of its infrastructure, how much further would the company be? How much further would the quality of our Internet service be? Instead of cracking down on protocols that Comcast deems unworthy, wouldn’t it be easier to promise – and enforce – a usable minimum of bandwidth to subscribers, and allow the rest of the pipe to be a free-for-all?

You can tell that Comcast is on the defensive. In the places where its response to the FCC isn’t littered with narcissistic praise, it constantly qualifies its “network management” practices with words like “little” or “minor” or “reasonable,” and there’s always an emphasis on the well-being of “all” users. Frequently these qualifiers appear italicized for emphasis. Don’t get me wrong, I’m all for reasonable network management – and indeed Comcast names many examples of reasonable network management in other companies – but none of those definitions include Comcast’s, who thinks that injecting forged disconnect packets into P2P sessions is “reasonable.”

Comcast contends that its practices are necessary so that it can stay viable in an intensely competitive – hah! – industry. I am officially calling shenanigans on this claim. I think Comcast is unwilling to further invest in its infrastructure’s weak points despite its considerable financial growth in 2007, and that it is unwilling to support an Internet that is growing faster than its master plan.

The Greek philosopher Heraclitus once wrote that “nothing endures but change.” Comcast, just like most any big company, is simply fighting change – and all the disruptions that come with it.

But we all know what happens when you fight change, right?

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RE: Sorry Tom, but..
By geddarkstorm on 2/19/2008 3:27:44 PM , Rating: 2

Discounts them. "P2P applications now amount for 37 percent of the total traffic" according to Ellacoya Networks as of 2007. Youtube alone takes up 10%? That immediately disproves any figure of 90% for P2P, as there's more on the net than just Youtube.

Arbor networks also puts P2P at 37% .

The more I look, the more that 90% figure seems totally impossible. We now have three lines of evidence, two from industry and one from an "academic talking head" saying it's 37% or less.

RE: Sorry Tom, but..
By masher2 on 2/19/2008 3:42:19 PM , Rating: 2
> "We now have three lines of evidence, two from industry "

Err, Ellacoya Networks and Arbor Networks are the same company -- you just quoted the same survey twice.

So we have one survey which states P2P it is "50-90%" depending on area and another which states its 37%. However, they both agree that P2P is the largest consumer of bandwidth on the Internet, which was my original point.

In any case, I'd say the difference between the two surveys is most likely geographic distribution. Europe runs extremely high in P2P usage; North America is substantially lower.

RE: Sorry Tom, but..
By geddarkstorm on 2/19/2008 4:15:07 PM , Rating: 2
Ah, I did not know they were one in the same, so let me supplement with Cisco's 2007 study which says 50% in 2006 and losing ground to other activites to be 39% predicted in 2011,136069-page,1/ar...

Yes, it is obvious that P2P by itself has a sizable chunk that makes it the dominant single type of traffic. That is certainly not in dispute. But 50% seems to be the reasonable maximum that P2P takes up over the entire internet. 90% seems completely out of line, unless perhaps you only looked at one pocket, like a college campus that encouraged P2P, or something of that nature (as that seems the likeliest place for P2P to reach 90%, if it does anywhere on the net now a days). But this still calls into question the link you posted that makes the claim for P2P being 50 to 90% of "overall Internet traffic" (perhaps MSNBC took the study out of context). The revised estimate should be 37-50% then, working off only numbers we can be reasonably sure of. This certainly changes the gravity of the matter, though not the core issue of what single data stream is taking up the most resources.

In any case, the 90% of all internet traffic being P2P is definitely false (that has only been what I've been disputing), so Tom doesn't seem that far off with his statement, and the issue revolving around P2P isn't as grave as 90% would implicate.

RE: Sorry Tom, but..
By masher2 on 2/19/2008 4:35:48 PM , Rating: 2
Tom's statement was that there are many other applications "as good if not better" in consuming bandwidth than P2P. Even your own study claim otherwise. From your link:
Internet traffic is still dominated by peer-to-peer (P2P) applications and this trend is not slowing, the Cisco report finds . P2P traffic will more than quadruple from 649 petabytes per month in 2006 to 2,836 petabytes per month in 2011

> "In any case, the 90% of all internet traffic being P2P is definitely false "

As stated before, the figure was "up to" 90%. And in fact, apparently in some Eastern European countries, the figure can be even higher, rising up to 95% just from P2P.

RE: Sorry Tom, but..
By geddarkstorm on 2/19/2008 4:57:59 PM , Rating: 2
Again, I was never debating the point that P2P takes up the largest share for any one data steam type. Nor was I saying Tom was right. But, 90% for the over all internet is definitely incorrect, and by quite a wide margin. That's what the original "up to 90%" claim was referenced to in the actual link. And it is that alone that I was disputing.

It still seems ludicrous that even a single country would be as high as 90, let alone 95% in P2P (unless the Pirate Bay is now a country and I missed the news clip). That doesn't make it impossible, but I'd still like hard cold facts, as it has many implications in networking design and usage, and other interesting sociological connections.

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