Samsung
Confidential
Ilsoo AhnIlsoo Ahn
NMS R&D LabNMS R&D Lab
Samsung 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
POTS
xDSLLeased 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
MediaServer
Enterprise Network
STP
SS7 NetworkBillingServer
SMSSCE
ServiceManagement
SCP DB
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 GatewayInterface 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 )
ASCII
X.25
TCP/IP
Interface
Protocols
Object-Oriented
COTS SW
Software Technology
Java
Web
XML
X Windows
Visual C++
Character-based,
Graphical
User Interface
SNMP CMIP
CORBA IIOP
Generations
IETF SNMP
ITU-T TMN
(1988)
TMF NGOSS
ITU-T M.3020
(2000.02)
1 G
OSS Generations
Proprietary
2 G
SNMP
CMIP
SNMP / TMN
Toolkitsad-hoc
Ch
aracteristics
Next Generation OSS for NGN
Requirements Analysis Design Implementation
Business Spec. Protocol Neutral Information Spec.
Protocol Specific Information Spec.
Test Spec.
UML
Use 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