Motorola BSR 2000, Configuration And Management Manual

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BSR 2000 Configuration and Management Guide Release 1.0
7-2 MGBI 526360-001-00 Rev. B
Table 7-1 describes the PacketCable and PacketCable Multimedia functional
components.
Table 7-1 Required PacketCable and PacketCable Multimedia Functional Components
Functional
Component
Description PC PCMM
Application
Manager (AM) Controls application sessions and communicates with the Customer
Premises Equipment (CPE) Client to enable an application or service
and the Policy Server to pass Quality-of-Service information. No Yes
Call Management
Server (CMS). Maintains and manages PacketCable Network Call Signaling (NCS)
based Voice over IP (VoIP) calls. Yes No
Policy Server
(PS) Also referred to as the Policy Decision Point (PDP). The Policy Server
applies a policy and manages the relationships between AM(s) and
Cable Modem Termination System(s). No Yes
Multimedia
Terminal Adapter
(MTA) A device that provides an interface for a subscriber’s telephone
service. A Terminal Adapter (TA) that is embedded into a cable
modem becomes an EMTA. Yes Yes
Client A Client can be a Multimedia Terminal Adapter or other CPE device
that communicates directly with the Application Manager, such as a
gaming console or PC. No Yes
Common Open
Policy Service
(COPS) Protocol used to communicate a Quality-of-Service-related decision
message to and from a Policy Decision Point (Policy Server and Call
Management Server) and Policy Enforcement Point (BSR). Yes Yes
Cable Modem
Termination
System (CMTS) In a PacketCable or PacketCable Multimedia environment, the CMTS
enforces and manages Quality-of-Service policies through DOCSIS
service flows (i.e. the BSR). The CMTS is referred to as the cable
interface in this document. Yes Yes
Event Message
System All Quality-of-Service activities on the BSR are collected and sent
through event messages to a Record Keeping Server for further
processing. Yes Yes
Record Keeping
Server (RKS) Stores event messages which are used by applications for billing,
settlements, network usage monitoring, and fraud detection purposes. Yes Yes
Media Server
(MS) Plays announcements based on the state of the phone call, which is
determined by the Call Management Server. For example, "The
number you have reached has been disconnected." Yes No
Media Gateway
(MG) Provides an interface to the Public Switched Telephone Network
(PSTN). Yes No
Signaling
Gateway (SG) Handles the signaling and call control functions to "bridge the gap"
between the PSTN and IP networks. Yes No