RE: [Ganglia-general] Multicast configuration

2003-03-25 Thread Kent IV, William (WW)
: Tuesday, March 25, 2003 1:52 PM To: Steven Wagner Cc: Kent IV, William (WW); ganglia-general@lists.sourceforge.net Subject: Re: [Ganglia-general] Multicast configuration kent- i second steve's comments.. if you take a look at this slide from a talk that i gave you'll see what'

Re: [Ganglia-general] Multicast configuration

2003-03-25 Thread matt massie
kent- i second steve's comments.. if you take a look at this slide from a talk that i gave you'll see what's going on with multicast... http://ganglia.sourceforge.net/talks/lug_lbl_talk/html/slide_6.html .. using separate multicast channels will allow for hardward filtering at the datalink lay

Re: [Ganglia-general] Multicast configuration

2003-03-25 Thread Steven Wagner
a. Definitely a. When a host opens a multicast socket, the kernel sends a join message *for that IP* and should start receiving traffic for that multicast network from that point on. Listening on different ports... hmmm, that didn't work the last time I tried it, but I'm pretty sure that it

[Ganglia-general] Multicast configuration

2003-03-25 Thread Kent IV, William (WW)
My IP multicasting background is a bit lacking, so I'll pose the question here. Background: I have a flat network space with 4 clusters of various sizes (16 - 72 nodes/ea.). I'm monitoring each cluster individually (i.e. Penguin = nodes p1 - 16, Marvin = nodes m1 - m24, etc.) Question: Which c