nanog mailing list archives

RE: Bonding ATM circuits for DSL


From: "Martin, Christian" <cmartin () gnilink net>
Date: Thu, 1 Aug 2002 17:02:27 -0400


The question is whether IMA exists on DS3 interfaces.  I would suspect that
the cell rate may be kind of high to support even load-balancing/splitting.
Kinda like doing MLPPP on a pair of OC-12s.

However, this is generally not needed unless your VC(P) needs to run at
greater than the theoretical peak cell rate of the interface.  If you have
small DSL PVCs, you can just round-robin them via static PVC provisioning,
or PNNI load-sharing of soft vcs.

HTH
-chris

-----Original Message-----
From: Christopher J. Wolff [mailto:chris () bblabs com] 
Sent: Thursday, August 01, 2002 4:51 PM
To: nanog () merit edu
Subject: RE: Bonding ATM circuits for DSL



I may have answered my own question.  Create an IMA group interface.

Regards,
Christopher J. Wolff, CIO
Broadband Laboratories, Inc.
http://www.bblabs.com 

-----Original Message-----
From: owner-nanog () merit edu [mailto:owner-nanog () merit edu] On 
Behalf Of Christopher J. Wolff
Sent: Thursday, August 01, 2002 1:46 PM
To: nanog () merit edu
Subject: Bonding ATM circuits for DSL



Greetings.

Has anyone experienced adding additional ATM DS3's and bonding 
those together to form a single "fat pipe".  For example if 
you had a Qwest megacentral DSL DS3 loop and wanted to add 
another one to make 90 megs instead of 45 megs is that done on 
the ISP side or the Telco side or both?  Thank you all so much 
for your wisdom.

Regards,
Christopher J. Wolff, CIO
Broadband Laboratories, Inc.
http://www.bblabs.com 



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