Alcatel Carrier Internetworking Solutions manual Alcatel 7270 MSC Release, Cell Relay Services

Alcatel 7270 MSC Release 6.0

Technical Summary

Cell Relay Services

>High performance virtual circuit (VC) and virtual path (VP) switched virtual connections (SVCs), soft permanent virtual circuits (S-PVCs), and permanent virtual circuits (PVCs) capabilities

>A wide range of interface speeds from DS0 to OC-3/STM-1

>Supports UNI 3.1, UNI 4.0, and PNNI

>1+1 automatic protection switching for all optical interfaces

>Standard service interworking functions for connections that terminate on frame relay or circuit emulation endpoints

Frame Relay Services

>All frame relay interfaces are configurable for UNI, NNI, PPP or transparent HDLC

>Frame relay/ATM network interworking (FRF.5) and service interworking (FRF.8)

>Four QoS levels for differentiated frame relay services

>Supports PVCs and frame relay SVCs

>Supports IP-aware frame relay

>HDLC frame forwarding for transport of legacy protocols (PPP, X.25, SNA)

Circuit Emulation (Private Line) Services

>Uses circuit emulation card to transport private lines and other TDM traffic over a broadband infrastructure

>Consolidates T1 or E1 PBX trunks and hybrid circuits over a broadband infrastructure

>Supports point-to-point or point-to-multipoint services

>Provides integrated DCS functionality

Voice Services

>Proxy signaling interface to an external softswitch

>Compressed voice (G.729A, G.726 (32K ADPCM), G.711)

>QSIG and N-ISDN signaling for PBX networking

>Integral echo cancellation and silence suppression

IP Services

>IP routing and forwarding capabilities

>Differentiated IP CoS to subscribers for all service types

>Dynamic OSPFv2 routing

>Supports IP-VPNs

>Up to 768 virtual routers

>VLAN support (802.1Q)

>VC to VC forwarding

>IP over ATM, FR or Ethernet

>Supports transparent LANS, and remote LAN segments

>Self-learning LAN bridge

>Spanning Tree protocol

>RFC 1483 Ethernet over ATM encapsulation

Switched Services

>SVCs/SVPs

>S-PVCs /soft permanent virtual paths (SPVPs)

>ATM Forum UNI v.3.1, UNI v.4.0, PNNI v.1.0, AINI v.1.0, B-ICI v.2.0

>ITU-T Q.2931 and Q.2961

>ATM Forum ILMI 4.0

>Dynamic call routing using PNNI

>PNNI hierarchy (3 levels) SPVC hitless connection moves

>ATM Forum

•PNNI path and connection trace

•Network call correlation identifier (NCCI)

•Call processing priorities for signaled connections

>Signaling congestion avoidance

>Switched services virtual backbone network

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