[AG-TECH] Minimum Bandwidth Requirements

Bill Nickless nickless at mcs.anl.gov
Wed Jun 27 20:02:55 CDT 2001

An AG node typically generates between 3 and 6 megabits/second.

The amount of traffic coming in to an AG node depends on how many other AG 
nodes are interacting.  Each node receives the traffic from all the other 

You can estimate the inbound traffic to a node in a conference by this formula:

   inbound traffic in megabits/sec =
      average outbound traffic across the conference *
      total number of participating nodes - 1

For example, consider a conference where three nodes are participating, and 
each node is generating an average of 4 megabits/second.  Each node will be 
transmitting 4 megabits/second, and each node will be receiving 4 megabits 
sec * ( 3 nodes total - 1 node local = 2 external nodes) = 8 megabits/second.

Another example: consider a conference where there are 10 nodes 
participating, and each node is generating 3 megabits/second 
outbound.  Each node will receive 3 megabits/second * ( 10 nodes total - 1 
node local = 9 external nodes) = 27 megabits/second.

At 07:26 PM 6/27/2001 -0500, Ravikiran Madduri wrote:
>Can Somebody enlighten me with the minimum bandwidth requirements required
>for running an AG node.
>We are currently in the process of building a node at IIT

Bill Nickless    http://www.mcs.anl.gov/people/nickless      +1 630 252 7390
PGP:0E 0F 16 80 C5 B1 69 52 E1 44 1A A5 0E 1B 74 F7     nickless at mcs.anl.gov

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