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Overview • Operating Modes
APEX1000 All-Purpose Edge QAM Software Version 2.4.x • Installation and Operation Manual
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573408-001-a
RPC Architecture
The figure below illustrates the RPC session VOD architecture:
DAC
Control I/F
Media I/F
RDS
(EMMs)
Rights
Meta
Data
SSP
SSP
Edge Device Interface Spec (RPC)
SPTSs
(Encrypted)
SPTSs
(Clear)
ISA
(CORBA)
MPTSs
(QAM)
Network
Encryptor
(NE)
APEX
VOD
Client
(STB)
GSRM
BMS
VOD
Pump
DWDM
Network
From the APEX1000 perspective, the major difference between the RTSP and RPC
session VOD systems is that with RPC, sessions are routed through the APEX1000
using the Edge Device Interface Specification (RPC-based protocol) rather than the R6
(RTSP-based protocol); otherwise, the APEX1000 performs basically the same function in
both architectures.
Encryption in RPC Session VOD
As previously described in
, the encryption and Edge QAM
pieces are nominally separated in the RPC architecture. Therefore, as shown in the
preceding graphic, the Network Encryptor (NE) is positioned to perform the encryption.
The APEX1000 then takes already encrypted SPTSs at its input and routes them to the
appropriate output per the Edge Device Interface Specification (EDIS).