BSNL CS Technical Presentation_V4.0

HUAWEI TECHNOLOGIES CO., LTD. Page 1Huawei Confidential

Huawei CS Core Product & Solution Highlights

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Huawei Core Network Strategy and Productline

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� 10% revenue invested in R&D, of which 10% is for pre-research� 48% of employees involved in R&D

Most efficient• OSTA hardware platform• DOPRA software

platform

1600+ patents • Continues innovation• Dual Homing,NI,UMG…• 20 years’ experience in

switching area

Strategic Product line • Complete solution provider,

covering fixed & mobile network

• Sustainable Investment

• Strong R&D capabilities • The biggest in industry

6000+ R&D engineers

Softswitch Solution

•GSM/UMTS

•NGN

•CDMA

Packet Core

•SGSN

•GGSN

OSTA Hardware Platform

DOPRA Middleware

Support System

•HLR/HSS

•STP/SG

Service Components

Huawei Core Network At a Glance

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Introduction to Huawei MSC/MGW

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ALL- IP Reliability

Performance

Convergence

Economy

Leader of Mobile Softswitch•No.1 global Mobile Softswitch market share

Key Highlights for MSC Server

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Page 7HUAWEI Confidential

Unified high performance Platform

- Huge capacity- Less sites and less footprint- Energy saving- Less maintenance staff- Less spare parts- …

Pool tech/ Distributed architecture

- High availability- High network efficiency , save capacity- Easy network planning and maintenance- …

All IP

- Simple network- New technologies introduction- Transmission saving- More access and more application- …

Unified Call Control and OM

- Network convergence- More service innovation- Easy management and less cost- Smooth evolution- …

CAPEX saving

OPEX saving

Investment protection

Simple networkFast service delivery

High efficiency

High Reliability

Benefits of Huawei Core Network Solution

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•Failure detection and switchover time is 30~50 ms

•Voice calls not effected by any node or link failure

•No impact on system performance

MGW

IP backbone

Router

MGW

MSC Server

Router

MSC Server

BSS

• More efficient than TDM bearer

• Saves network capacity

• Guaranteed QoS

• Superior voice quality

• Tolerant of bad IP transport conditions

UTRAN

CRTP

IP reliability technologies IP efficiency technologies IP QoE technologies

MSC Pool

SCTP Multi-Homing

BFD + VRRP

VQE IP CAC

TFO & TrFO

Huawei Mobile Softswitch Provides Carrier Grade IP Experience

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Hardware Introduction for MSC/MGW

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Page 10Huawei Confidential HUAWEI TECHNOLOGIES CO., LTD.

� MSOFTX3000 adopts N68-22 cabinet. It conforms to

IEC-297 standard.

� 600 mm (width)* 800 mm (depth)* 2200 mm (height)

� N68-22 cabinet has a 46U inside space

(1U=44.45mm=1.75inches) and includes a power

distribution frame

� Three 19-inch frames per cabinet

� Double Door opening

� Floor Area of 0.48sq M per cabinet

� Based on Huawei OSTA1.0 platform

MSOFTX3000

Hardware Introduction of MSC Server – MSOFTX3000

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IGWB0(2U)

IGWB1(2U)

Extension subrack (01)

Basic subrack (00)

Power distribution box (2U)

Air deflector (2U)

Integrated management cabinet

KVM (1U)1# LAN Switch(1U)Cable trough (1U)


Air deflector ( 2U)


Extension subrack ( 04)

Air deflector ( 2U)

Service processing cabinet Service processing cabinet

Power distribution box (2U) Power distribution box (2U)

Extension subrack ( 08)

Air deflector ( 2U) Air deflector ( 2U)

Air deflector ( 2U) Air deflector ( 2U)

Extension subrack ( 03) Extension subrack ( 07)

Extension subrack ( 02) Extension subrack ( 06)

Dummy pannel(2U) Dummy pannel(2U)

Dummy pannel(1U)

Dummy pannel(1U)

Dummy pannel(1U)

Dummy pannel(1U)

0# LAN Switch(1U)

Cable trough (1U)1# NET Switch(1U)

0# NET Switch(1U)Cable trough (1U)

Dummy pannel(1U)

XPTU Server(2U)

1# BAM Server(2U)

0# BAM Server(2U)

Dummy pannel(1U)

Cabinet Configuration

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Frame 0#

Frame 1#

Frame 2#

Frame 9#

LAN Switch inplane 1

LAN Switch in plane 0

Standby iGWB

FE

GEActive iGWB

BAM

FE

Host Background

To the billing center

WS WS WS

HubTo the network

Management center

FE


Emergency WS

Frame 0#

Frame 1#

Frame 2#

Frame 9#

LAN Switch inplane 1

LAN Switch in plane 0

Standby iGWB

FE

GEActive iGWB

BAM

FE

Host Background


WS WS WS

HubTo the network

Management center

FE


Emergency WS

Equipment Connectivity Architecture

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Logical Structure

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� WCDB- Responsible for Processing trunk data, allocating MSRN and resource management.(1+1)

� WIFM- Responsible for processing of SIGTRAN protocol stack.(1+1)

� WAFM- Responsible for AAL5 signaling processing. (1+1 load share)

� WSMU- Responsible to provide management to the equipment.(1+1)

� WMGC- Responsible for registration and management of resource unit .(1+1)

� WALU- Responsible for Alarms

� UPWR- Responsible for Power Supply

� WCSU- Responsible for service processing, call control and charging functions. Each board can provide thirty-two 64k links or two 2M links .(1+1)

� WVDB- To implement VLR entity function .It can handle 2million subscriber per pair. (1+1)

� WBSG- It is having capability to process SCTP/ H.248/ SAAL. (N+1 load share)

� WSGU- Provides Narrowband and Wideband Signaling. 64k- 32links, 2M-2links(N+1 load share)

� WBFI- Provides external FE interface used for IP signaling over Mc interface. It is having one port (1+1)

� WBAI- Provides ATM STM-1interface(1+1 load share)

� WSIU- It is extended functions of the WSMU. The subrack number can be customized through the switch of the WSIU. (1+1)

� WHSC- Provides FE interface to communicate with other subrack and with BAM also. (1+1)

� WCKI- Responsible to provide clock (1+1)

� UPWR- Responsible for Power Supply

� WEPI- To provides external E1 signaling interface over TDM. It is having 8E1s per board (N+1 load share)

Board Details for Front Plane

Board Details for Back Plane

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Hardware Introduction of MGW – UMG8900

��

UMG8900’s frame is divided in to 3 types.

Main Control Frame It provides the functions of Operation maintenance, device management, alarm management, log management etc.

Central Switching Frame It provides the function of cascading.

Service Frame: It provides the services.

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HUAWEI TECHNOLOGIES Co., Ltd. Page 16HUAWEI Confidential

- Provide the maintenance function of the Service Frame.

- Provide call management function.

MMPB

- Provide the maintenance function of the Central Switching Frame.MMPU

- Provide the operation and maintenance function of the system.

- Provide the interface to LMT and NMS.

MOMB

FunctionBoard

Board Details for MGW

MCMF

MCMB

-Process the H.248 message with MGC and transfer the message to the call control command in MGW.

-MCMF is the front board, MCMB is the back board.

- Provides ATM interfaces work together with MASU.MA4L

- Provide ATM process function for IU interface to RNC.MASU

- Provides FE/GE InterfaceMHRD

- Provides STM-1 optical / electronic interface.MS2L / MS2E

- Provides E1 / T1 interface.ME32 / MT32

- Provide media conversion, echo cancellation, DTMF, play tone etc.MVPD

- Provide signal process functionMSPF+SHPU

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Key Highlights of Solution Proposed to BSNL

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� Support access of BSS and RAN simultaneously� Simplify network structure by large capacity MSC, reduce transmission cost by IP� Reduce 2G/3G inter-MSC interworking, improve network performance� All components and resources are dynamically shared by 3G and 2G, save investment

significantly

Node B

RNC

Iub

UMTS RAN

GSM BSS

BTS

BSCAbis

CS Domain

BICC/SIP/ISUPMSOFTX3000

H.248H.248

MSOFTX3000

UMG8900UMG8900PSTN

SG7000

TDM/IP

M2000

2G-3G Unified Architecture

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Page 19Huawei Confidential

Easy O&M:Integrated and intelligent O&M systemmanages the Pool as a whole

iManager M2000

NNSF in MGW, MGW dispatches the traffic Load,No need to upgrade BSC/RNC

MSC-Server

MGW

…. ….BSC BSC

IP/MPLS

Traditional MSC POOL Huawei Enhanced

Huawei supports Traditional MSC POOL, and provide enhancement tominimize affection on live network

BSC/RNC need upgraded BSC/RNC need not upgrade

NNSF

NNSF

NNSF in BSC/RNC, BSC/RNC dispatches the traffic Load, must upgrade BSC/RNC widely

BSC BSC RNC RNCRNCRNC

NNSF: NAS Node Selection Function

Avoid A interface transmission waste by MGW managing the TDM circuit

Network Level Reliability – Huawei Enhanced MSC Pool Solution

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IP BACKBONE

Nortel STP

SS7 Network

Nortel MSCNortel MSCNortel MSCSiemens VMSC

BSSBSS

BSS

BSS

Siemens V/GMSC

PSTN

SG7000 SG7000

HLR9820

HLR9820

BSS

MSC1 MSC2 MSC3 MSC4 MSC5 MSC6 MSC7

MGW1

MGW2

MGW3

MGW4

MGW5

MGW6

MGW7

MGW8

MGW9

MGW10

BSS BSS BSS BSS BSS BSS NodeB

PSTN

T/GMSC1 T/GMSC2

1. Build H248 Link between T/GMSC and VMGW2. Build TDM connection between VMGW and existing network VMSC/GMSC

BSSBSSBSSNodeB

MSC8

MGW11

MSC POOL

Nortel MSC

Local PLMN GMSC

BSS

PSTN

Local PLMN GMSC

GMGW1 GMGW2

3. Signaling route

4.Traffic route

SMSC VMS IP IVRINSCP1 INSCP2 IPSMSC MMSC USSDSMLC IN SCP3/4/5/6 IVROTA GMLC

Siemens Comverse Nortel TeleDNA Ericsson

Proposed MSC Pool Architecture and Inter-working Solution for BSNL

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EnergyEnergySavingSavingDesignDesignSAS disk

10WFlash disk

1W

Dual-core 35W

Quad-core 40W

Octuple-core 40W

Huge capacity & high density

AM 03:00

2.2G 1.0G

AM 09:00

Automatic Software Frequency Control

Temperature adjustment PowerPowerSavingSaving

OperationOperation

0

1

2

3

4

2007 2008 2009 2010

MSC-S (mW/Sub

Decrease total power consumption and CO2 emissions per subscriber

Power Power SavingSavingDesignDesign

EnergyEnergySavingSavingOperationOperation

Lower power consumption components

5045

0-5

Green Design – Saves Footprint and Energy

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Specifications of Proposed MSG-MGW

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Introduction to Huawei HSS

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Carrier Grade Reliability• Full redundancy

• Central device monitoring, easy fault location

• Independent CPU for management and monitoring

Easy Maintenance• All modules support hot plug

• Rear cabling design, simple connection

• Frame architecture, less cable

Lower TCO• High integrity, saving footprint

• Power saving design

• ATCA is the next generation platform of communication equipment.

• Huawei ngHLR adopts OSTA2.0 (enhanced ATCA platform).

• OSTA2.0 has been commercially deployed since 2004, proved by mass commercial applications.

Huawei HLR9820 Based on Carrier Grade ATCA Platform

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� Huawei Unified Subscriber Centre adopt distributed architecture design;

� The system is separated into service part (FE) and data part (BE);

� FE is responsible for handling business logic, not store any data; BE responsible for the

management of data services, all user data is stored in the BE;

� The USC BE provide standard data access interface to USC FE;

Standard Data Access InterfaceProvision System

M2000 NMS

OM

U

USC-FE USC-FE USC-FE

Unified Subscriber Centre (USC

Front End

Back End

PG

WO

MU

USC-BE USC-BE USC-BEOMU: Operator Manage UnitPGW: Provision Gateway

Signaling Network

Distributed System Architecture

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� Unified Subscriber Centre can be divided into four logical: Signaling access layer, Service logic layer, data routing layer, data service layer;� Each layer is based on a distributed design, a cluster management, all logic unit to cluster approach, the logic of the same cluster of modules to load sharing means to achieve the same functionality;

……SAUSAU

SCF

DRU

……

……

Signaling Access

Service Logic

Data Service

SCF

……

DRU

Front End

Back End

Data RoutingDRU

Cluster

SCF Cluster

SAUCluster

Disk Array

DSU DSU DSU DSU DSU DSU…

DSU Cluster 1 DSU Cluster NDSU Cluster 2

External Storage

Distributed Software Architecture

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Service Logic

Disk Array

Memory Data

PeriodicallyBackup

In-Memory database

Master Memory

Local HD Local HD

Disk Array

RAID 1

Multi level backup/recover

Slave Memory

RAID 5+1

Key board1 1 Load Sharing

Common boardN 1 Load Sharing

DSU

Multi level flow control

FE BE

DRU

SCF

SAU

Sig

nalin

g ne

twor

k

No impact on service even physical storage fail. Ensure data safety, quickly recover when emergency.

No single point failure. Protect system from traffic storm.

Equipment Level Reliability

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Active Site1

RedundantSite

Seamless Geography Redundancy

Service plane (FE)

Duplex Data Synchronize

. . .

FE Load sharing mode

Data plane (BE)

site1 site

2

Site1

Site2

FE

BE

FE

BE

Signaling network

Open & Standard Data interface

LAN/WAN

Dynamic data

Static

data

BE Load sharing mode

Network Level Reliability

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LMT at Local

or Remote

LMT at Local

or Remote

iManagerTM

M2000

Fault Management

Configuration Management Performance Management

Security Management

HLR

Redundancy

HLR

Active MGW

MSC SERVER

BSC/RNC

Unified O&M Solution

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Introduction to Huawei SGW

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Configuration Statistics for Full Configuration

� Totally 16 Frames in Full Configuration

� Supports 6048 LSL or 756 Q.703 HSL or 378 ATM HSL or Flexible Mixed

� Supports upto 1000 SCTP Associations

Excellent Large Capacity of Huawei SG7000

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VIEB

HSCU

HBIU

HSCU

SBPI

SBPU

SBPU

SBPI

SBPU

SBPU

HSYS

HSYS

SBPU

SBPU

SBPI

HBIU

VIEB

SBPU

SBPU

SBPI

ALUI

VIEB

VIEB

�SBPU. Signaling message process card.

TDM. 64 links/card or 4HSL/card 2560 packages/card

�SEPU and SBPI. Signaling message interface card.SEPU. Support 16E1/card.SBPI. As IP interface board, 4 SBPU with SIGTRAN share one pair of SBPI as IP interface board..

Advantage: SBPU can carry TDM&SIGTRAN signaling message simultaneously.

SEPU

SEPU

SEPU

SEPU

SEPU

SEPU

SEPU

SEPU

Hardware Architecture of SGW

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2 MbpsSignaling

SIGTRAN

SBPU Card

64 Kbps Signaling

ApplicationDB

SG7000 One-Card solution support all

signaling processing in a single card.

Huawei versatile SBPU card provides several key benefits as below

� Protect network infrastructure investment during migration� Reduce the cost of inventory and spare-parts management� Seamless and flexible evolution to IP-STP� Support various signaling value added service such as MNP without additional hardware

Unique and Unmatched One Card Solution

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� Full distributed structure� Each processing board can

handle MTP & SCCP & MNP message

SG7000

link units

signaling Process

units

Single-node-fault doesn’t affect the reliability of whole network

�

Lack of reliability due to

limited processing capability

�Others � Central processing module

for MTP or SCCP

Fully distributed architecture

Equipment Level Reliability

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� Maximum 1800KGTT/s in full configuration

� Ensures stable running even during peak hours

Basiccall

SMS

MNPGTT is used in

…

Other services

GTT (Global Title Translation) effects the performance of whole network

IN services

SMSC

GTTGTTGTT

GTT GTT

HLR SCP

GTT

MSC TMSC GMSC

SMSC

GTT

HLR SCP

GTT

MSC TMSC GMSC

STP STP

Powerful GTT Capabilities

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Switch network

NPDB

Signaling Process Unit

E1/T1 Interface Unit

E1/T1 Interface

NPDB

Signaling Process Unit

FE Interface Unit

FEInterface

NP query NP query

Advantage: Lower query delay than external NPDB & excellent performance

Full distributed structure: NP data query & protocol processing are in the same unit.

Integrated NPDB – Low Cross Delay in NPDB Query

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• Ensure the correctness of signaling configuration • Easy fault detection

O & M

Online Real Time Message Tracing Capability

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Specifications of Proposed HSS and SGW

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Thank You !!!!www. huawei.com

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BSNL CS Technical Presentation_V4.0

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