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Future Direction of Network and Service Management

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1 Future Direction of Network and Service Management
Yoon Hak Bang KT Network Technology Lab.

2 High Lean Service Provider Remote Control in Network Operation
Introduction High Lean Service Provider Remote Control in Network Operation Control/Configuration Interface standards Resource & Service Management Architecture KT’s Direction Remarks 1 C O N T E N T S 2 3 4 5 6 7

3 Introduction 1 Network operation & management until now
Network elements monitoring Massive alarm/performance data processing Standard management interface protocols (MIB) SNMP, CMIP, TL/1, CORBA Recently, Internet equipment life-cycle being very shorten then PSTN equipments. Vendors were focused on service capabilities then management interfaces NM related standards NM standards release too lately then service capability standards NM standards mainly focus on elements monitoring Configuration & control interfaces are various NetConf, COPS, SNMP Vendor proprietary interfaces are more popular (ex. CLI)

4 Control or Configuration
Introduction Gap between SP requirements and standards & vendor’s implementations Integrated of multiple technology networks vs. specific network’s protocols Multi-vendor standards vs. proprietary Configuration and control vs. monitoring Standard control interfaces vs. vendor proprietary console commands Secure standards control interfaces vs. console Final goal of network management End-to-end full automation Minimize manual operations only engage exceptional case But Analysis work is very hard because very little information from network element’s alarm signal (depends on manual analysis) Control or configuration works are acting by manual operations Monitoring Analysis (Root Cause Analysis) Control or Configuration and dispatches

5 High Lean Service Provider
2 High Lean Service Provider Operation Paradigm Shift Business Agility Reduce the OPEX !! Resource vs. Employee End-to-end Process Automation Inter-domain management Automatic Network Elements Control Enterprise-wide Business Process Management Customer Self-Service Management

6 Operation Paradigm Shift
Change of Telecom Business Environments Yesterday Today & near Future Network focus Service focus Circuit-based long-lived service (POTS) Session-based short-lived service (IP/Data Service) Reactive to customers Proactive to customers Relatively simple product mixture Increasingly complex product mixture Business driven by Telecom carriers and technologies Business driven by customers Mass marketing Target marketing

7 Business Agility TMForum NGOSS provide principle and tools for Telecom Business Agility

8 Operational efficiency More requests, faster development is needed
Reduced the OPEX !!! Resource vs. Employee Decreasing the Operational Staff New Service Request Services Contents no PSTN LLU, Number Portability ... 38 Megapass ADSL, Nespot, NTOPIA... 82 Home Digital IPTV, Home Sky, Home N.. 6 High Speed Service Public ATM, Public Hinet-P/F .. 22 Kornet enTum, ISDN,Dial Up,VPN.. 64 Dedicated Line Long distance ... 14 etc Octave,Wibro, DU:... Total 233 categories 160 20 140 18 152 100 million KW) 16 120 14 100 12 ( Request 80 62 10 Budget 60 8 6 40 18 4 20 2 2002 2003 2004 budget request Operational efficiency is needed More requests, faster development is needed

9 Reduce the OPEX !!! Build the Integrated Resource Inventory Manager
Manage all connecting points across the layered network Interworking with ERP system Removing data distortion SDH/PDH xDSL/FTTH/WiFi PSTN Internet ATM/FR Leased-line WiBro WCDMA Premium Internet NGN (BcN) SDH Transport Network Access Network Internet VDSL modem Access Ethernet Switch Metro-Ethernet Gigabit Router IX Router Customer section Distribute frame

10 End-to-end Process Automation
Inter-domain Management Field Order Request Workforce Manager Inter-domain Manager Field Order Environments Notification Request Detail alarm Environments manger NMS1 NMS2 NMSn Remote Control Command Remote Control Command alarm Business Customer site Wireline Access Network Premium Internet ATM/FR Network Wireless Access Network Internet Apartment site Transmission Network Manless Office

11 Enterprise-wide Process
All kind of control process should be defined to the enterprise-wide process From customer’s service request (new/change) Service/network provisioning From customer’s service complain From network fault/performance degradation Should be managed by BPM system and Policy rule

12 Customer Self-service Management
Customer Network Management Service status monitoring for customer services Customer Service Order Request/Change Customer Service Complain

13 Remote Control in Network Operation
3 Remote Control in Network Operation Define of remote control Control in Trouble & Performance Management Processes Type of Control Traffic Control PSTN Traffic Control MPLS TE Control Activation/De-activation

14 Define of Remote Control
Not signaling control No.7 Signaling, UNI signaling, OCP, NCP … Network elements (include service servers) control/configuration for network maintenance Resource provisioning Activation/deactivation Resource (NE) configuration Trouble shooting Protection, restoration, resolve Performance control Traffic control Environment control Power system, air-conditioning, security

15 Control in Trouble and Performance Management Process
NE control Correct & resolve Resource Trouble Resource Trouble Report Process Manager Localize Resource Trouble Analysis alarms (Root Cause Analysis, service impact analysis) Alarms monitoring SDH/PDH xDSL/FTTH/WiFi PSTN Internet ATM/FR Leased-line WCDMA WiBro Premium Internet NGN (BcN)

16 Control in Trouble and Performance Management Process
NE control Control Resource Performance Resource Degradation Report Process Manager Analysis performance (Root Cause Analysis, service impact analysis) Performance monitoring SDH/PDH xDSL/FTTH/WiFi PSTN Internet ATM/FR Leased-line WCDMA WiBro Premium Internet NGN (BcN)

17 Type of Control Network Control Environments Control
Traffic/Performance Control PSTN LEX RC MPLS TE control by CLI (Command Line Interface) Policy Control by COPS (Common Open Policy Services) Routing Control Routing Table update Optical Cross Connect control Service server control DNS, DHCP policy control Application servers policy control Activation/deactivation/configuration Environments Control Power, battery Air conditioning (temperature, humidity) Security control (manless offices, Mobile base station door and so on)

18 Control/Configuration Interface standards
4 IETF Netconf SNMP V3/SMI V2 COPS ITU-T M.3000 Series X.700 CMIP/CMIS TMForum TMF509 DMTF CIM/WBEM 3GPP, ATIS, OMA, MSF, ….. Equipment vendors consider monitoring interface only. Very few control interfaces Vendor’s proprietary implementation Very hard to implementation of generic control functions for service provider No firm standard control interface !! More important in NGN, FMC (All-IP) era

19 Resource & Service Management Architecture
5 Service Provider’s EA Business Architecture Data Architecture Application Architecture Technical Architecture Agility Enabled Network Management Architecture

20 Service Provider’s EA Define the Enterprise Architecture (EA*) for enterprise control/management Business Architecture Data Architecture Define integrated and industry-agreed business process for end-to-end automation Events, Business rule Identify all functional entities through each business process eTOM standardized information definitions acting as the common language A common information language is the linchpin in creating easy-to-integrate software solutions. SID Telecom Service Provider’s Enterprise Architecture Application Architecture Technical Architecture Define the principle of Contract and interactions Define basic framework services. Define the implementation principles TNA Mapping functions to the applications Define the whole applications in company as reference model for system develop TAM * EA : Suggestion by Zachman (IBM), TMForum’s NGOSS is best EA case in Telecommunication Industry

21 Business Architecture
Business Process and function separation Business process are vary change New service or change of business are very often Definition of end-to-end enterprise business process are very difficult Should be upgrade during in operation If IT system implemented by hard-coded business process, it will be very cost and slow Business Policy/Rules are very important Business rule enable a giant leap forward in bridging the gap between business people and IT system Business policy/rules are operation know-how Industry standard business process : TMForum eTOM COTS interoperable IT environments Standard business process description language : WS-BPEL (Business Process Execution Language) Process Optimization by BAM (Business Activities Monitoring)

22 Data Architecture Very important in interface definitions
Common language between different department in company or B-to-B NMS Sales Customer Care Service Configuration Service Problem Service Quality SDH/PDH xDSL/FTTH/WiFi PSTN Internet ATM/FR Leased-line WCDMA WiBro Premium Internet NGN (BcN) Resource Provisioning Resource Trouble Resource Performance Network Elements Adaptation Service Planning Network Infrastructure Management

23 Application Architecture
TMForum’s TAM (Telecom Application Map) Resource Design / Assign Customer Management Service Management Resource Management Resource Inventory Manage-ment Resource Status Monitoring Resource Problem Management Resource Performance Monitoring/ Management Workforce Manage-ment Resource Logistics Correlation & Root Cause Analysis Resource Activation Customer QOS/ SLA Management Customer Front Office Billing Management Customer Service / Account Problem Resolution Service Design / Assign Product / Service Catalog Management Service Rating / Discounting Management Receivables Management Real-time Billing Management Revenue Assurance Management Configuration Management Arbitrage Management Resource Testing Resource Data Mediation Billing Mediation Service Quality Monitoring & Impact Analysis Performance Management Service Problem Manage-ment Resource Planning/ Optimisation Enterprise Management Customer Contact, Retention & Loyalty Product Management Market / Sales Supplier / PartnerManagement Partner Management Product Lifecycle Management Supply Chain management Campaign Management Channel Sales Management Security HR Asset Knowledge management Financial Fraud Management Resource Provisioning / Configuration Customer Self Management Order Management bus technology/ middleware / business process management Integration infrastructure: Product Performance Management Product Strategy / Proposition Management Corporate Sales Management Customer Information Management Customer Back Office Billing Management Bill Formatting Invoicing Quotation Engine Collections Management Inventory Manage-ment Specification Management Resource Specification Management Resource Domain Management (IT Computing, IT Applications, Network) Wholesale / Interconnect Billing Contracts

24 Technical Architecture
Mature of Open distributed computing technology Web Service based SOA (Service Oriented Architecture) Communication : SOAP Interface : WSDL Registration/brokering : UDDI Business Process : BPEL Policy : WS-Policy TMForum TNA (Technology Neutral Architecture) Business Rule Management Define the business rule and non-stop rule modification (without programming) with RBMS* * RBMS : Rule Based Management System

25 Agility Enabled Network Management Architecture
Business Performance Layer KPI improvement Business Uncertainty Improvement Business Performance Analysis Find the re-engineering process Precise the business rule/policy Method : 6-Sigma Business Process Layer Business Process Modeling Business Rule Modeling Business Activity Monitoring Top-down Development Way Easily define the business processes based on industry information and process Visible business processed Real-time monitoring Technology and Standard : SID, eTOM, BPM. Service Framework Layer Define re-usable component as a framework services Naming, Registration, Location Technology : Web Service, EAI. Common Service Bus (SOA) Common Platform Common Messaging Bus Legacy DB ERP

26 6 KT’s Direction OSS History of KT KT’s NeOSS Evolving NeOSS

27 (Access line share with Access Facility Assign
OSS History of KT NGN/FMC Manage Automatic Control End-to-end BPM Broadband Manage (Access line share with PSTN and ADSL) Integrated Inventory = NeOSS Line Testing Access Facility Assign NE Fault Monitoring time 1980s 1990s 2003~2005 2010?

28 NeOSS Characteristics
OSS History of KT NeOSS Characteristics Integrated Inventory Integrated Service Fulfillment/Assurance Workforce Management SLA/CNM

29 Evolving NeOSS Intelligent Control enabled NMSs
Define Standard unified Control/Configuration End-to-end process automation From service management to network element control Network element’s alarm/info to service quality management Business Performance Management Real-time business activities monitoring Finding and diagnostic bottle-neck process point Real-time process innovation Field Know-how to the Business Rule Rule based RCA (Root Cause Analysis), trouble-shooting, performance control All-IP Converged Network/Service Manageability Mobility Management, Session Management QoS Management across various networks (WCDMA, WiBro, MPLS, IMS) Rule Engine

30 Remarks 7 More Intelligence on Network Resource Management
Define Enterprise-wide network resource management processes Resource Trouble/Performance/Provisioning Management Introduce BPM tool in NMS Operator’s know-how translate to the policy/rule Define and refine the business rule for through all Resource and Service Management Root Cause Analysis method Control mechanism as different vendor or different case Introduce RBMS tool in NMS Standardization of network control interface More important on All-IP networks but less standardization and implementation Service providers should be initiator for global standard


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