Network end users to pull down 2 gigabytes a day, continuously?

Marshall Eubanks tme at
Thu Jan 11 07:18:09 UTC 2007

On Jan 10, 2007, at 11:19 PM, Thomas Leavitt wrote:

> It seems to me that multi-cast is a technical solution for the  
> bandwidth consumption problems precipitated by real-time Internet  
> video broadcast, but it doesn't seem to me that the bulk of current  
> (or even future) Internet video traffic is going to be amenable to  
> distribution via multi-cast - or, at least, separate and apart from  
> whatever happens with multi-cast, a huge and growing volume of  
> video traffic will be flowing over the 'net...

I would fully agree with this.

> I don't think consumers are going to accept having to wait for a  
> "scheduled broadcast" of whatever piece of video content they want  
> to view - at least if the alternative is being able to download and  
> watch it nearly

That's the pull model. The push model will also exist. Both will make  

> immediately. That said, for the most popular content with the  
> widest audience, scheduled multi-cast makes sense... especially  
> when the alternative is waiting for a large download to finish -  
> contrawise, it doesn't seem reasonable to be constantly multi- 
> casting *every* piece of video content anyone might ever want to  
> watch (that in itself would consume an insane amount of bandwidth).  
> How many pieces of video content are there on YouTube? How many  
> more can we expect to emerge over the next decade, given the ever  
> decreasing cost of entry for reasonably decent video production?

Lots. Remember, of course, Sturgeon's law. But, lots. If you want  
numbers, 10^4 channels, billions of pieces of uncommercial content,  
and millions of pieces of commercial content.

> All of which, to me, leaves the fundamental issue of how the  
> upsurge in traffic is going to be handled left unresolved.

I think that technically, we have a pretty good idea how. I think  
that the real fundamental question is whose business models will  
allow them to make a profit from this upsurge.

> Thomas


> Simon Lockhart wrote:
>> On Tue Jan 09, 2007 at 07:52:02AM +0000,  
>> Michael.Dillon at wrote:
>>> Given that the broadcast model for streaming content
>>> is so successful, why would you want to use the
>>> Internet for it? What is the benefit?
>> How many channels can you get on your (terrestrial) broadcast  
>> receiver?
>> If you want more, your choices are satellite or cable. To get  
>> cable, you need to be in a cable area. To get satellite, you need  
>> to stick a dish on the side of your house, which you may not want  
>> to do, or may not be allowed
>> to do.
>> With IPTV, you just need a phoneline (and be close enough to the  
>> exchange/CO
>> to get decent xDSL rate). In the UK, I'm already delivering 40+  
>> channels over
>> IPTV (over inter-provider multicast, to any UK ISP that wants it).
>> Simon
> -- 
> Thomas Leavitt - thomas at - 831-295-3917 (cell)
> *** Independent Systems and Network Consultant, Santa Cruz, CA ***
> <thomas.vcf>

More information about the NANOG mailing list