Failover Protection
IP Telephone IP Telephone
Primary Primary Primary Primary
Backup Acting
as Primary Backup Database Pub. TFTP
Because CallManager is a software application, you could probably load
it on any server meeting the minimum system requirements for
CallManager, although you will probably encounter some amount of difficulty
obtaining the software. Should you run into any problems
though, you will be on your own. Cisco will not support anything but
the approved hardware configurations.
Recently, Cisco announced that the MCS platform will be available on the
IBM xSeries of servers as well as Compaq servers.This series of servers will
follow the same rules that applied to the Compaq servers, in that the MCS must
www.syngress.com
Figure 2.2 Failover Protection
IP Telephone IP Telephone
Primary Primary Primary Primary
Backup Acting
as Primary Backup Database Pub. TFTP
CallManager Cluster
36 Chapter 2 • New World Technologies
be purchased pre-configured.The initial product offering of the MCS platform
on the IBM xSeries of servers will be on the xSeries 330 and 340 platforms. I
would expect that this group will grow to include other servers in both the IBM
and Compaq server lines.