Re: [ns] link question

[Lloyd Wood <l.wood@eim.surrey.ac.uk>]

On Thu, 12 Apr 2001, Christian Schwab wrote:
[modifying diagram]
> s1---
>        \
> s2--- ----r0----r1
>  .     /
>  .     /
> sn---/
> 
> Several source links (s1..sn) are connected to one router (r0).
> 
> When I create a link (a duplex-link for instance), ns always
> creates a queue for this link. For 5 sources I get 5 queues.
> 
> I can use just one source link and apply several TCP Agents then I
> get only one queue:
> 
> s1 ----r0--- ...
> 
> But that doesn't help, because I want to study the behavior of that single queue under
> different propagation delays of s1...sn.
> 
> So, I need to have more than one source link AND only one queue at r0!

Queues are at the head of links; the queues at the s(n) end of the
s(n)-r0 links won't be that interesting, since they just reflect the
traffic from the single TCP source on s(n).

Look at the queue on r0-r1.

L.

<L.Wood@surrey.ac.uk>PGP<http://www.ee.surrey.ac.uk/Personal/L.Wood/>