Samsung Confidential

Ilsoo Ilsoo AhnAhn

NMS R&D LabNMS R&D LabSamsung Electronics Co., LTD.Samsung Electronics Co., LTD.

Integrated Management Integrated Management for for

the Next Generation Networkthe Next Generation Network

OutlineOutline

?? Next Generation NetworkNext Generation Network

?? Next Generation OSSNext Generation OSS

?? Integrated Management Integrated Management

Next Generation Network

? Convergence? Voice, data, video : multi-media services? Narrowband and broadband? Wireline and wireless? Local and long distance? SoftSwitch technology? Packet transport network : IP and ATM? Intelligent Network : Service Creation / Control? Open systems? Commercial-off-the-shelf technology

Wireline Internet Wireless

Packet Network (IP/ATM)

SoftSwitch Access Gateway

IntelligentNetwork

POTSxDSLLeased Line

SIP

MGCP/ MegacoMGCP/ Megaco

MGCP

SIP

PACKET Network(ATM/IP)

EnterpriseNetwork

PSTN/ISDN

AccessNetwork

PBX

MobileNetwork

NetworkManagement

Center

RADIUSServer

GateKeeper

IP phonesMSC/BSC

OSS

SIPProxy/RedirectServer

ElementManagement

System

PSTN

MediaServer

Enterprise Network

STP

SS7 NetworkBillingServer

SMSSCE

ServiceManagement

SCPDB

TGW

INAP

Network Architecture

ApplicationServer

TGWWMG

AGW

SIP-TH.323

H.323 PhoneSIP PhoneRGW

Softswitch Softswitch

PSTN Internet Wireless

Intelligent Network

Packet Network (IP/ATM)

ApplicationServer

SoftSwitch

?Control call connection for MG

• MGCP,MEGACO/H.248

?Multimedia services

•voice, data, video

?PSTN and packet signaling

• SS7, SIP

?Open Interfaces

•PSTN, MGW, Application Server

SoftSwitch

Softswitch

Access Gateway

?Interface to a packet transport network

as well as existing PSTN

using V5.2 or GR303

various user access interfaces :

•POTS

•xDSL Interface

•Leased Line ( ATM, FR, TDM )

•PBX Trunk Group

• ISDN Interface (PRI, BRI)

Access G/W

POTS/PBX

ISDN

xDSL

Leased Line

PSTN

Softswitch

MGCP,MEGACO/H.248

IP/ATM

V5.2

Access Gateway (AGW)

International Standards

( 3 G )

ASCIIX.25

TCP/IP

InterfaceProtocols

Object-Oriented

COTS SW

Software Technology

JavaWebXML

X WindowsVisual C++

Character-based,

GraphicalUser Interface

SNMP CMIPCORBA IIOP

GenerationsIETF SNMPITU-T TMN

(1988)

TMF NGOSSITU-T M.3020

(2000.02)

1 G

OSS Generations

Proprietary

2 G

SNMPCMIP

SNMP / TMNToolkits

ad-hoc

Ch

aracteristics

Next Generation OSS for NGN

Requirements Analysis Design Implementation

Business Spec. Protocol Neutral Information Spec.

Protocol Specific Information Spec.

Test Spec.

UMLUse Case Diagram

UMLUse Case Diagram

State Diagram

Activity Diagram

Class Diagram

GDMO CMIP

IIOP (CORBA)

Translation

IDL

? TMN in transition : M.3020 (2000.02) TMN Interface Specification Methodology

SNMP

…

?OSS through Java Initiative (OSS/J)? open, standard set of JavaTM API’s?OSS Common, Service Activation, Quality of Service,

Trouble Ticket, Billing, Inventory API’s

? TMF : NGOSSTM

?New Generation Operations Systems & Software? Based on contract specifications and shared information?OSS integration with components supporting contracts?Common communication infrastructure : messaging bus?Commercial-Off-The-Shelf Software : plug & play

? A lot of progress, but still lacking the Standard? Too many, too little, too late : burden on the industry

Integrated ManagementIntegrated Management

? Scope : TMF e-TOM (Telecom Operations Map)?Horizontal integration : end to end?Customer Operations Processes

: Fulfilment, Assurance, Billing?Multiple network elements

: SoftSwitches, Access GW, Trunking GW, Wireless GW, Home GW, Application Servers …

?Multiple technologies : Voice & data, Circuit & packet …?New applications/services

• Next Gen. Wireless Service : 2.5G, 3G (CDMA-2000, W-CDMA)• Mobile Internet, Wireless LAN• Broadband internet access : xDSL, Cable Modem, FTTx• Location based services, Multi-media applications

?Multiple protocols : TL-1, CMIP, SNMP, CORBA, XML …

……

? Vertical integration : top to bottom? Business management : CRM, Supplier/Partner RM, Billing ? Service management and Operations : QoS, SLA?Resource Management and Operations?Correlation of network events to customer impacts

?Management of user terminals?Home Networking with intelligent gateways?Mobile devices : PDA’s, Handsets …?Remote Management

• Fault Diagnostics / Localization, Loop Management• Auto Configuration, Remote Download

? Efficiency : technical as well as economical? Financial constraint on the Telecom industry?Commercial-off-the-shelf rather than custom solutions

ImplementationImplementation

?One large system does it all ?? A set of loosely coupled distributed systems? Integrated EMS for muntiple NE’s

: SoftSwitch, Access Gateway, Application Servers …? Integrated systems for each management functions

: Fault, QoS, Provisioning, Inventory, …?Common platform

• Common internal architecture : client/server• Common look & feel : Java & Web-based, user-friendly GUI• Mediation for multiple protocols : CMIP, SNMP, TL-1 …• Multiple external interfaces : CORBA, TCP/IP, XML (preferred)

? Support for legacy network and systems? Flexible customizations on user requirements