nanog mailing list archives
Re: Big Temporary Networks
From: Jay Ashworth <jra () baylink com>
Date: Sun, 16 Sep 2012 12:22:57 -0400 (EDT)
----- Original Message -----
From: "Masataka Ohta" <mohta () necom830 hpcl titech ac jp>
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.
Well, yes, but that wasn't what Bill was talking about. He was talking about AP's being "nice" to associated clients who are in powersave mode, at the expensive of all the other connected clients, by buffering multicast packets until one or more DTIM frames are sent. We expect live streams to drop a packet here and there; that's what buffering is for... and why television proper still exists. Cheers, -- jra -- Jay R. Ashworth Baylink jra () baylink com Designer The Things I Think RFC 2100 Ashworth & Associates http://baylink.pitas.com 2000 Land Rover DII St Petersburg FL USA #natog +1 727 647 1274
Current thread:
- Re: Big Temporary Networks, (continued)
- Re: Big Temporary Networks Chris Adams (Sep 14)
- Re: Big Temporary Networks Jay Ashworth (Sep 14)
- Re: Big Temporary Networks Chris Adams (Sep 14)
- Re: Big Temporary Networks Jay Ashworth (Sep 14)
- Re: Big Temporary Networks Chris Adams (Sep 14)
- Re: Big Temporary Networks Måns Nilsson (Sep 15)
- Re: Big Temporary Networks Jay Ashworth (Sep 15)
- Re: Big Temporary Networks William Herrin (Sep 15)
- Re: Big Temporary Networks Jay Ashworth (Sep 15)
- Re: Big Temporary Networks Masataka Ohta (Sep 15)
- Re: Big Temporary Networks Jay Ashworth (Sep 16)
- Re: Big Temporary Networks Masataka Ohta (Sep 16)
- Re: Big Temporary Networks Nick Hilliard (Sep 16)
- Re: Big Temporary Networks Masataka Ohta (Sep 16)
- Re: Big Temporary Networks Nick Hilliard (Sep 17)
- Re: Big Temporary Networks Masataka Ohta (Sep 17)
- Re: Big Temporary Networks William Herrin (Sep 17)
- Re: Big Temporary Networks Masataka Ohta (Sep 18)
- Re: Big Temporary Networks William Herrin (Sep 18)
- Re: Big Temporary Networks Nick Hilliard (Sep 18)
- Re: Big Temporary Networks William Herrin (Sep 18)