CN D&T GroupCN D&T Group

V3

SS1B_B_T01_E1

SS Technical PrincipleSS Technical Principle

V1.1V1.1

2

Objective Objective

System Overview

Hardware Introduction

Software Introduction

Technical Capabilities

3

Access

ZXSS10 IAD系列

Broadband Access

Core

Control

Service

ZXSS10 A200

ZXSS10 M100

ZXSS10 S100

ZXSS10 SS1 ZXSS10 SS1

ZXUP10 APPSCP Router ServerIAD Manager NMS

Core Packet NetworkCore Packet Network

PSTN/ISDNSS7

Network

PBX

Private Network

ZXSS10 BGW

Soft-Phone

SS in the NGN ArchitectureSS in the NGN Architecture

4

FunctionsFunctions Call Control Processing

Accomplishing basic call processing and enhanced call processing.

Protocol Adaptation Adaptation processing between accessing protocols.

Service Interface Provisioning Provisioning with open and standard interfaces for service platforms.

Interconnection and Interoperation Interconnection and interoperation with other softswitch components.

Application System Support Support of accounting, authentication, maintenance and management, etc.

Resource control Centralized management for system resources such as resources allocation, release

and

control, etc.

5

Protocol support capabilityProtocol support capability Call control protocol

ISUP 、 TUP over IP ； Q.931 ； BICC ； SIP-T ； H.323

Transportation control protocol TCP 、 UDP ； SCTP ； TCAP/SCCP/M3UA

Media control protocol H.248 ； SIP ； MGCP

Service application protocol INAP （ CS2）； LDAP ； RADIUS

OAM protocol

SNMP

LAN protocol

IEEE802.3 ， IEEE 802.3u ； TCP/IP protocol suite

6

SCP

App Server

Softswitch Softswitch

IP Core Network

AAA Server

SG MG MG

IAD

INAP/TCAP

ISUP/MTP

ISUP/IPINAP/TCAP/IP

SIP-T

TDM

H.248

API/SIP

H.248/MGCP

H.323GW

SIP

H.323

NMS

SNMP

SNMP

Computer SIP Phone

No.7 Network

PSTN/ISDN

Control and signalling stream

Radius

Media and control stream

ComputerTelephone

Telephone

Telephone Computer

1 2 3

4 5 6

7 8 9

* 8 #

7

SS1B system CapabilitiesSS1B system Capabilities

BHCA for trunks： single shelf 2M (SPC card backup)

Totally 11 shelves cascade: 16M

System capacity support： 1,100,000 TS0 （ calling model : duration:

70S ， Trunk Erl 0.7 ）

SS1B rack view

8

LAN Switch

Data Base Server

OSS

INTERNET

Constitution of SS1Constitution of SS1

9

SS10 Operating PrincipleSS10 Operating Principle

Network interface

Network interface

Core switchingnetwork

Protocolprocessor card

Protocolprocessor card

System maincontrol

IP network

Protocolprocessor card

10

3U

8U

1U

12USC1

SC2

SPC1

SPC2

……

S P C 12

S P C 13

SSN

SSN

19”

450mm

FAN

ZXSS1B StructureZXSS1B Structure

11

REAR

FRONT

CARD NO 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17

SSC

SSC

SPC1

SPC2

SSN

SSN

NIC

SSNI

NIC

TIC

Card Slot PositionCard Slot Position

12

SS1B Communication Bus DiagramSS1B Communication Bus Diagram

13

BOARD FUNCTION DESCRIPTION BOARD FUNCTION DESCRIPTION

SSC ： SYSTEM CONTRL CARD （ CPU 800/7410)

SSN ： SYSTEM SWITCHING NETWOTK

SPC ： SYSTEM PROTOCOL CARD

NIC ： NETWORK INTERFACE CARD

SSNI ： SYSTEM SWITCHING NETWORK INTERFACE

TIC ： TRANSPORTATION INTERFACE CARD

14

SSC Board: Control and MonitorSSC Board: Control and Monitor Hardware

CPU(MPC7410, MPC750), RAM

IDE,

Ethernet Interface,

Power supply,

Serial bus(RS-485/RS- 232)

Board status: online/offline/reset

Function Monitor the hardware and software status of other boards.

Control other board in the shelf.

File backup (Software version, CLI script, etc. )

SC active-reserve switch.

15

SSN board: Ethernet switching networkSSN board: Ethernet switching network

Hardware CPU, RAM, Switching Chip

24 100M Ethernet interface.

13 for SPCs

2 for SCs

6 for NICs

others for DB server, shelf cascade.

Function Provide Ethernet switching platform

16

NIC Network Interface CardNIC Network Interface Card

Hardware CPU, RAM

2 Ethernet Interface 1 for inner Ethernet network, 1 for

outer IP network

Function Distribute the Protocol and other packet among SPCs.

17

SPC: System Protocol CardSPC: System Protocol Card

Hardware CPU, RAM

1 10Base-T Ethernet Interface

Function Protocol and Call processing.

18

SS1B shelf cascading SS1B shelf cascading

CSN ： CASCADE SWITCHING NETWORK

CSNI: CASCADE SWITCHING NETWORK INTERFACE

GNIC ： GIGABIT NETWORK INTERFACE CARD

19

SS1B shelf cascading SS1B shelf cascading

CSN board

Inserted in Slot 7 and Slot 8 of the main shelf

Provide 24 (100M) + 4 (G) layer-2 Ethernet switching

Work in the active/standby mode

CSNI board

Provides Ethernet connection for CSN board

GNIC board

Provides 1 GE and 4 FE ports used to connect to the external network

20

REAR

FRONT

CARD NO 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17

SSC

SSC

SPC1

SPC2

SSN

SSN

NIC

SSNI

NIC

TIC

Master shelf Card Slot PositionMaster shelf Card Slot Position

CSN

CSN

CSNI

GNIC

GNIC

21

SS1B shelf cascading SS1B shelf cascading

MAIN SHELF

SLAVE SHELF

BILLING SERVER

DATA BASE

AAA SERVER

CSNI

SSNI

22

SS1 Logic DiagramSS1 Logic Diagram

H.248 Device Adapter

H.323 DeviceAdapter

SIP DeviceAdapter

SS7 DeviceAdapter

Call ServerResource Manager BICC/SIP BCP

Service Manager

DB

Z T ESoftswitch -Netune

ApplicationServer

Database Softswitch

SignalingGW

MGH323GW IPPBX

Access Server

23

SPC Software ArchitectureSPC Software Architecture

Database

Support subsystem

MGCP

Billing /OAM

H248 H323 SIP SIP-T SS7SIGTRAN

DSS1

Vieun interface

Call & Service subsystem

Hardware

Etc.

24

SC/SPC/NIC/SSN Software

OS ： VxWorks

Database Software

OS:SUN Solaris, Oracle

OAM Software

OS ： SUN Solaris/WinNT/Windows2000

25

Several flow scenario Several flow scenario

SC SPC

GNIC

SSNSSNI

CSNICSN

SC SPC

SSNSSNI

BILLING SERVER

SS DATABASE

External network

SIGNAL FLOW:

BILLING FLOW:

CONTROL FLOW:

ALARM FLOW:

Main (NO.1) shelf

Slave (NO.2,3,4…) shelf

GE2GE+24FE

GE/4FE

2FE

FE

FE

26

Several flow scenario Several flow scenario

Control flow：

Main shelf SC

Main shelf SPC

Slave shelf SPC

Slave shelf SPC

Main shelf SPC

Slave shelf SC

Billing flow：

Main shelf SC Billing server

Slave shelf SC

27

Main shelf SPC

Slave shelf SPC

Alarming ：

Main shelf SC

Slave shelf SC

Main shelf SC

Billing database(database server)

Version update：

Main shelf SPC

Slave shelf SPC

Several flow scenario Several flow scenario

28

SUMMARYSUMMARY

Powerful capacity

High reliability

Flexible configuration

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