Re: Big Temporary Networks

2012-09-15 Thread Måns Nilsson
Subject: Re: Big Temporary Networks Date: Fri, Sep 14, 2012 at 09:40:02AM -0400 Quoting Jay Ashworth (j...@baylink.com): - Original Message - From: Måns Nilsson mansa...@besserwisser.org 12:20:33AM -0700 Quoting Octavio Alvarez (alvar...@alvarezp.ods.org): I'd have expected

Re: Big Temporary Networks

2012-09-15 Thread Will Hargrave
On 13 Sep 2012, at 17:32, Tim Franklin t...@pelican.org wrote: You'll need a beefy NAT box. Linux with Xeon CPU and 4GB RAM minimum. Or not. The CCC presentation is showing *real* Internet for everyone, unless I'm very much mistaken… Absolutely. NAT is too fragile/expensive/non-performant

Re: Big Temporary Networks

2012-09-15 Thread Masataka Ohta
Mans Nilsson wrote: Do not NAT. When all those people want to do social networking to the same furry BBS while also frequenting three social app sites simultaneously you are going to get Issues if you NAT. So don't. I am not suggesting that. I'm just trying to point out that there might be

Re: Big Temporary Networks

2012-09-15 Thread Jimmy Hess
On 9/15/12, Masataka Ohta mo...@necom830.hpcl.titech.ac.jp wrote: Mans Nilsson wrote: I am not suggesting that. I'm just trying to point out that there might be a bunch of assumptions that aren't as true anymore when a lot of client connections share both source and destination address, and

Re: Big Temporary Networks

2012-09-15 Thread Jay Ashworth
- Original Message - From: Måns Nilsson mansa...@besserwisser.org It would still be nice to multicast them inside our network (and out to whomever wants to watch), but what the heck's the consumer-level client side of multicast video streaming look like these days? IIRC a number

Re: Big Temporary Networks

2012-09-15 Thread William Herrin
On Sat, Sep 15, 2012 at 9:18 PM, Jay Ashworth j...@baylink.com wrote: You're saying that *receiving* multicast streams over WLAN works poorly? I don't have any experience with it, but here's what Google told me: http://www.wireless-nets.com/resources/tutorials/802.11_multicasting.html When any

Re: Big Temporary Networks

2012-09-15 Thread Jay Ashworth
- Original Message - From: William Herrin b...@herrin.us On Sat, Sep 15, 2012 at 9:18 PM, Jay Ashworth j...@baylink.com wrote: You're saying that *receiving* multicast streams over WLAN works poorly? I don't have any experience with it, but here's what Google told me:

Re: Big Temporary Networks

2012-09-15 Thread Masataka Ohta
Jay Ashworth wrote: You're saying that *receiving* multicast streams over WLAN works poorly? Multicast/broadcast over congested WLAN works poorly, because there can be no ACK. That is, multicast/broadcast packets lost by collisions are never sent again.