7
Ascom IP-DEcT
IP-DEcT mobility master
IP-DEcT mulTIPlE-mAsTEr concEPT
IP-DEcT Base stations
IP-DEcT Base stations
Unite Interface
& Application suite
Telephony
switch A
Vendor X
IP-DEcT master
IP-DEcT master
IP-DEcT Base stations
IP-DEcT master
Roaming
Roaming/Handover
WAN
Unite Interface
& Application suite
Telephony
switch B
Vendor Y
The purpose of the multiple-master concept
Increase the number of users (> 2,000)
– Scalable from small to large systems
– Minimum off changes when growing
Increase number of Base stations (>1,000 IPBS)
– Multiple sites, 1,000 BS per site
Multiple site installations
– Local functionality at WAN connectivity loss
High load traffic Load sharing between masters
