nanog mailing list archives
Re: Big Temporary Networks
From: William Herrin <bill () herrin us>
Date: Sat, 15 Sep 2012 21:52:47 -0400
On Sat, Sep 15, 2012 at 9:18 PM, Jay Ashworth <jra () 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 single wireless client associated with an access point has 802.11 power-save mode enabled, the access point buffers all multicast frames and sends them only after the next DTIM (Delivery Traffic Indication Message) beacon, which may be every one, two, or three beacons (referred to as the “DTIM interval”). [...] default 100 millisecond beacon interval" http://www.wi-fiplanet.com/tutorials/article.php/3433451 "all it takes is one wireless client using 802.11 power saving to cause the access point to buffer multicast frames for all clients, and you may not be able to control whether or not users switch on power save mode." Regards, Bill Herrin -- William D. Herrin ................ herrin () dirtside com bill () herrin us 3005 Crane Dr. ...................... Web: <http://bill.herrin.us/> Falls Church, VA 22042-3004
Current thread:
- Re: Big Temporary Networks, (continued)
- Re: Big Temporary Networks Octavio Alvarez (Sep 14)
- Re: Big Temporary Networks Måns Nilsson (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 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)