Alcatel Carrier Internetworking Solutions 7270 MSC ユーザーズマニュアル
Technical Summary
Cell Relay Services
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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
virtual path (VP) switched virtual
connections (SVCs), soft permanent virtual
circuits (S-PVCs), and permanent virtual
circuits (PVCs) capabilities
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A wide range of interface speeds from
DS0 to OC-3/STM-1
DS0 to OC-3/STM-1
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Supports UNI 3.1, UNI 4.0, and PNNI
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1+1 automatic protection switching for all
optical interfaces
optical interfaces
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Standard service interworking functions
for connections that terminate on frame
relay or circuit emulation endpoints
for connections that terminate on frame
relay or circuit emulation endpoints
Frame Relay Services
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All frame relay interfaces are configurable
for UNI, NNI, PPP or transparent HDLC
for UNI, NNI, PPP or transparent HDLC
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Frame relay/ATM network interworking
(FRF.5) and service interworking (FRF.8)
(FRF.5) and service interworking (FRF.8)
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Four QoS levels for differentiated frame
relay services
relay services
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Supports PVCs and frame relay SVCs
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Supports IP-aware frame relay
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HDLC frame forwarding for transport
of legacy protocols (PPP, X.25, SNA)
of legacy protocols (PPP, X.25, SNA)
Circuit Emulation (Private Line) Services
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Uses circuit emulation card to transport
private lines and other TDM traffic over
a broadband infrastructure
private lines and other TDM traffic over
a broadband infrastructure
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Consolidates T1 or E1 PBX trunks and
hybrid circuits over a broadband
infrastructure
hybrid circuits over a broadband
infrastructure
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Supports point-to-point or point-to-multipoint
services
services
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Provides integrated DCS functionality
Voice Services
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Proxy signaling interface to an external
softswitch
softswitch
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Compressed voice (G.729A, G.726
(32K ADPCM), G.711)
(32K ADPCM), G.711)
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QSIG and N-ISDN signaling for PBX
networking
networking
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Integral echo cancellation and silence
suppression
suppression
IP Services
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IP routing and forwarding capabilities
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Differentiated IP CoS to subscribers
for all service types
for all service types
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Dynamic OSPFv2 routing
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Supports IP-VPNs
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Up to 768 virtual routers
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VLAN support (802.1Q)
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VC to VC forwarding
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IP over ATM, FR or Ethernet
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Supports transparent LANS, and remote
LAN segments
LAN segments
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Self-learning LAN bridge
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Spanning Tree protocol
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RFC 1483 Ethernet over ATM
encapsulation
encapsulation
Switched Services
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SVCs/SVPs
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S-PVCs /soft permanent virtual paths
(SPVPs)
(SPVPs)
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ATM Forum UNI v.3.1, UNI v.4.0,
PNNI v.1.0, AINI v.1.0, B-ICI v.2.0
PNNI v.1.0, AINI v.1.0, B-ICI v.2.0
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ITU-T Q.2931 and Q.2961
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ATM Forum ILMI 4.0
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Dynamic call routing using PNNI
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PNNI hierarchy (3 levels)
SPVC hitless connection moves
SPVC hitless connection moves
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ATM Forum
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PNNI path and connection trace
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Network call correlation identifier (NCCI)
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Call processing priorities for signaled
connections
connections
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Signaling congestion avoidance
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Switched services virtual backbone network
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Alcatel 7270 MSC | Release 6.0