[AusNOG] SMH: "No room at the internet"

[John Lindsay]

The presentation was by Dr Miyakawa from NTT.

I saw it at a customer event in 2008.

It was called "IPv4 address space exhaustion and its solutions".

I can't find a link to it via Google.

I have a copy somewhere although I don't think I can legally put it on a server and point everyone at it.

At the time iTunes was peaking out at 230 to 270 simultaneous sessions.

He showed an example of how Google Maps of the day slowly degraded below 30 sessions.  I suspect that it wouldn't survive below 100 today.

jsl

On 19/05/2010, at 10:10 PM, Narelle wrote:

> On Wed, May 19, 2010 at 9:11 PM, Mark Newton <newton at internode.com.au> wrote:
> 
>> The NATs are going to be really atrocious, by the way. The IPv4 Internet
>> will carry increasingly massive quantities of suck.
> 
> One thing that opened my eyes was a talk a few years back from an NTT
> guy who'd done some measurements on TCP flows. They measured the
> number of flows from a host in a few cases: sitting there, running a
> few standard apps, running google maps, running itunes, and found a
> huge variation, ie from 7 - hundreds.
> 
> Logically, this means in a "carrier grade NAT" you'd have to start
> applying port restrictions in order to make sure everyone got 'fair
> access', and they made a range of estimates based on typical buffer
> sizes etc. Then retested the clients with restrictions, ie 5, 10, 50,
> 200... with proportionately less of the individual web pages and
> applications actually working... it was really instructive to see
> google maps not get all those tiles needed to be useful.
> 
> I was reminded of this recently when someone posted a request for
> recommendations on proxies - due to P2P users squeezing out all the
> other conference attendees when they had stolen all the available port
> mappings. Take a look at the future...
> 
> 
> -- 
> 
> 
> Narelle
> narellec at gmail.com
> _______________________________________________
> AusNOG mailing list
> AusNOG at lists.ausnog.net
> http://lists.ausnog.net/mailman/listinfo/ausnog