Nortel NN10265-111 Manuel utilisateur
NN10265-111
Multimedia Communication Portfolio
Multimedia Communication
Server
RTP Media Portal Basics
MCS 5100 3.5 Standard 4.0 January 2006
MCS 5100 RTP Media Portal Basics
Copyright © Nortel Networks Limited 2006
Finding the latest updates on the Nortel web site
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Link to Takes you directly to the
Latest Software Nortel page for MCS 5100 software located at
www130.nortelnetworks.com/cgi-bin/eserv/cs/
main.jsp?cscat=SOFTWARE&resetFilter=1&tranProduct=124
82.
Latest Documentation Nortel page for MCS 5100 documentation located at
www130.nortelnetworks.com/cgi-bin/eserv/cs/
main.jsp?cscat=DOCUMENTATION&resetFilter=1&tranProdu
ct=12482
NN10265-111 MCS 5100 3.5 Standard 4.0 January 2006
Copyright © Nortel Networks Limited 2006
MCS 5100 RTP Media Portal Basics
Copyright © Nortel Networks Limited 2006
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NN10265-111 MCS 5100 3.5 Standard 4.0 January 2006
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MCS 5100 RTP Media Portal Basics
Copyright © Nortel Networks Limited 2006
Overview
How this chapter is organized
This chapter is organized as follows:
•Functional description on page 7
•Hardware on page 8
•Software on page 12
•Operations, administration, and management on page 12
•Interfaces on page 13
—Protocols on page 13
—Network interfaces on page 14
Functional description
The Real-time Transport Protocol (RTP) Media Portal is an optional
component that addresses media plane specific issues with advanced
service delivery, Internet addressing efficiencies, and system security.
The primary function of the RTP Media Portal is to extend the reach of
multimedia services so that they are accessible to obscured endpoints,
devices residing behind a firewall, or a Network Address Translation
(NAT) and/or Network Address Port Translation (NAPT) device.
Functioning as a media NAPT point that shields Multimedia
Communications Platform (MCP) Service Network components from
external exposure, the RTP Media Portal also provides IP address/port
pair mapping between internal and external network components as
well as media anchoring and media pivot abilities for terminals.
The RTP Media Portal may be deployed in a single- or dual-network
configuration. For dual-networks, the RTP Media Portal enables
elements in the Protected MCS Network to safely communicate with
elements in the Managed IP access network.
NN10265-111 MCS 5100 3.5 Standard 4.0 January 2006
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Copyright © Nortel Networks Limited 2006
Figure 1, Network component topology, on page 8 is a graphical
depiction of the RTP Media Portal’s position in a single-network MCS
solution.
Figure 1 Network component topology
Hardware
The RTP Media Portal resides on a Motorola* CPX8216T platform, a
16-slot CompactPCI (cPCI) chassis design.
The chassis offers a High Availability platform that provides the basic
operating environment (such as power, backplane, cooling, and
mounting slots) required to sustain the resident subcomponent
single-board computers. The CPX8216T hardware architecture
partitions the chassis into separate logical operational Domains,
MCS 5100 RTP Media Portal Basics
9
Copyright © Nortel Networks Limited 2006
dividing the chassis shelf into two half-shelves consisting of 8-slots
each.
Note: The chassis logical Domains are not internet Domains.
Rather, the term is used to identify Side A and Side B of the chassis.
Other terms used interchangeably include: Domain A and Domain B,
Left Domain and Right Domain, and half-shelf.
An RTP Media Portal occupies a single logical operational Domain in
the CPX8216T. A single CPX8216T chassis can host two RTP Media
Portal components (one in chassis Domain A, the other in chassis
Domain B) as shown in Figure 2, Card slot associations for the two
logical Domains in a single chassis, on page 9.
Figure 2 Card slot associations for the two logical Domains in a
single chassis
If the chassis is viewed from the front, the slots are numbered from left
to right (1-16). If viewed from the rear, the slots are numbered from right
Domain A Domain B
NN10265-111 MCS 5100 3.5 Standard 4.0 January 2006
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Copyright © Nortel Networks Limited 2006
to left (1-16). A front view of the CPX8216T is shown in Figure 3,
Motorola chassis CPX8216T - front view, on page 10.
Figure 3 Motorola chassis CPX8216T - front view
A rear view of the CPX8216T is shown in Figure 4, Motorola chassis
CPX8216T - back view, on page 11.
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