topic Re: CDM Questions in Application Networking

CDM Questions

e.silva_2 — Tue, 17 Dec 2002 02:11:03 GMT

What operating system runs at the CDM, CE & CR ?

(Is a Linux, Unix, Windows2000)

What is the time interval of keepalives that CDM sends to CE´s to maintain the CDN Up and how long is the payload of the packet ?

Thanks for your help

ESilva

Re: CDM Questions

m.singer — Mon, 23 Dec 2002 19:50:08 GMT

As you can find in this document, it says Cisco Cache software though it does not talk about the underlying OS of the box.

http://www.cisco.com/univercd/cc/td/doc/product/webscale/webcache/ce31/311_rn.htm

Re: CDM Questions

sivanden — Thu, 03 Apr 2003 11:27:39 GMT

Hi,

The CDM and the CE are talking together via a special protocol, depentend from the configuration the use SODA or MODA to communicate. A keepalive will be send by default every 30 sec.

Hope this helps.

Sigi

Re: CDM Questions

crabrown — Thu, 03 Apr 2003 22:06:48 GMT

The operating system for the CDM, CE & CR is Linux.

For ACNS 4.2, The routing protocol used by the CEs is called Self-Organizing Distribution Architecture (SODA). Every 3-5 minutes (jittered time interval) each CE will query the CDM for configuration updates.

The size of the payload is dependent upon the number of channels, the number of files, and the number of CEs/CRs configured in the network. This SODA packet is compressed for optimization.

Cheers,

Craig