[cisco-voip] Distributed Model

[Andrius Kislas]

I one doc I see this:

CUCM 6.0 and before
Max 40-ms round-trip delay between any two CUCM across the WAN
Recommended bandwidth between sites that are clustered over the WAN is
900 Kbps for ICCS for every
10,000 BHCA and 644kbps per remote server for Database

 CUCM 6.1
Max 80-ms round-trip delay between any two CUCM across the WAN
Recommended bandwidth between sites that are clustered over the WAN is
1.544 Mbps for ICCS for every
10,000 BHCA and 1.544 Mbps per remote server for Database

Andrius

Ed Leatherman wrote:
> I think the main thing to be mindful of is bandwidth between the sites
> both for DB replication and for your media resources. Replication
> bandwidth reqs i think are listed in the SRND iirc.
> 
> 
> On Sun, Oct 19, 2008 at 12:56 PM, Lemon <lemon at lemon.za.net
> <mailto:lemon at lemon.za.net>> wrote:
> 
>     Hi,
> 
>     Currently running a cluster of 3 servers, 6.1.2 - these are split with
>     the Pub and Sub at the HQ site, and the 3rd sub at a DR site (all of
>     this is considered one site). Now we are planning to add an extra sub
>     but want to install this at a remote branch that has it's own ingress
>     gateway.
> 
>     Anything we should look for and take note of? Things I am looking at
>     is Media Resources - for the remote site I'll make it use the local
>     sub and local DSP's on the ingress gateway........but do i add the
>     others as backup?
> 
> 
>     thanks
>     charl
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> 
> 
> 
> -- 
> Ed Leatherman
> Assistant Director, Voice Services
> West Virginia University
> Telecommunications and Network Operations
> 
> 
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