Figure 19: Mc-Aps With Atm Vll Redundancy - Alcatel-Lucent 7750 Configuration Manual

Port Features
GSM/GPRS
R99
HSxPA
In the application show in
hub site before being backhauled to a Tier 1 site where the radio network controller (RNC) which
terminates user calls is located. This application combines MC-APS on the RNC access side and
pseudowire redundancy and pseudowire switching on the core network side. pseudowire switching
is used in order to separate the routing domains between the access network and the core network.
Page 98
Active/Standby
Pseudo-wire
T-PE
E1 TDM
E1 ATM
7750
E1 IMA ATM ATM
PW
Switch
SR-7
E1 IMA ATM
Or xDSL

Figure 19: MC-APS with ATM VLL Redundancy

Figure 19, 2G and 3G cell sites are aggregated into a Tier 2 or Tier 3
Pseudo-wire
Segments
S-PE
Convergent
Packet Network
7750
PW
SR-7
IP MPL Core
Layer 3 VPNs
7750
PW
SR-7
Multi-chassis
Protection
7750 SR Interface Configuration Guide
T-PE
7750
PW
SR-7
7750
PW
SR-7
RNC Cluster
OSSG145