Future direction of NMS
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1 Future Direction of Network and Service Management : Telco s Perspective ~20 Jae Hyoung Yoo KT Network Technology Laboratory Page No. - 1 Page 1
2 Overview 1. The Need for More Advanced Network Management Functions from Network Managers and Field Engineers 2. Customer-focused Network and Service Management 3. Management of New technologies (Future Network) Page No. - 2 Page 2 Future Direction of Network and Service Management
3 Page No. - 3 Voice of Network Managers Too many OSSs and NMSs The number of systems are still increasing Some needs manual data input Data and format inconsistency Takes long time to prepare statistical reports lack of useful information for preventive maintenance IP- IP-NMS Electric Power Electric Power Management System Management System Transmission Transmission NMS NMS Page 3
4 Integrated Management of Heterogeneous Networks Page No. - 4 Voice of Network Managers NMC ATM-NMS ATM switches Integrated NMS Data Abstraction IP-NMS CMIP SNMP serial Internet Power Management Power Page 4
5 Page No. - 5 Start Daily and monthly reports IP- IP-NMS Alarm report Monitor N End trivial Daily Reports Voice of Network Managers Y Service affected Action to ensure customer satisfaction (e,g,. Rerouting) Send short msg to field engineers IP- IP-NMS Diagnosis EMS Develop and implement Correction plan -series of actions - Dispatch technicians Process of network Fault management Verify fault is eliminated Inform the result to SA Record events and analyze fault management performance 1. Daily Work Log 2. Fault Analysis Report 3. Traffic Analysis Report 4. Syslog Analysis Monthly Report 1. Monthly Network Fault Analysis report 2. Monthly Traffic Analysis Report Every Quarter : Network and Customer Information 1. Network Topology Map 2. Customer and Access Network Information 3. Server Information End IP- IP-NMS Page 5
6 Page No. - 6 Voice of Network Managers Automation of work process 15% automated, 85% manual job NMS be the core of workflow in NMC, and control the complicated work processes IP- IP-NMS Electric Power Electric Power Management System Management System Transmission Transmission NMS NMS IP- IP-NMS SOA SOA Work Flow Engine Electric Power Electric Power Management System Management System Transmission NMS Transmission NMS Page 6
7 Page No. - 7 Voice of Network Field Engineers Access Network Faults Dispatch Engineers to remote-site Current NMS lack of detailed diagnosis/config functions NMS was designed to monitor N/W in company-wide scale NMS has to support remote-config/diagnosis function and provide knowledge how to correct it. Private IP address Public IP address NAT Public IP address IP address not allocated Many IP address allocated L2 Switch I have no more IP address L3 Switch Backbone All Rights Reserved Page 7
8 Customer-focused Network and Service Management Customer Self-control Page No. - 8 e.g. Customer Self-control Customer Customer control Access Nodes Personal Portal Policy Server NMS Customer changes service profiles of provisioned services. BoD, Voice Mail, Parental Care, Presence and Location, Contextaware Services etc. NMS has to monitor customer controlled network and resources User Profile Service Profile Resource IP/MPLS Billing ISP Page 8
9 Customer-focused Network and Service Management Traffic Management : from a customer experience perspective Problems occur with interacting services within media streams NSP introduces deep packet inspection technologies To analyze how interacting services affect each other Page No. - 9 <Case> A company is connected to Internet with 10Mbps leased line. When N people are using VoIP phone, M people access IP-TV and the performance of both service are degraded. Q1 : Who is responsible for the degradation of quality? A1: The service provider who sold VoIP and IP-TV services Q2 : Among the N VoIP and M IP-TV channels, which one and how the quality is degraded? A2:??? Q3 : If some packets are dropped by priority control, how can the service provider explain it to customers? 100Mbps Packet drop, delay, QoS degradation Page 9
10 Customer-focused Network and Service Management Current Page No Service order Order decomposition Siloed OSSs design, resource allocation, activation design, resource allocation, activation design, resource Customer allocation, activation Center Request for recovery/reconfiguration Current service provisioning process Reactive and slow-working process Service configuration NOK End-to-end test OK Customer DB Page 10
11 Customer-focused Network and Service Management Future Page No Customer Center Service define Integrated NMS Service order Future service provisioning process Real-time An Integrated NMS manages all physical and logical resources Base on the resource information, Service is defined according to the contracted QoS and rate NMS validates the network capability, and configure an end-to-end connection. PBNM can reduce human intervention to design, allocate resources and activate equipments. design, resource allocation, activation End-to-end Network View Network Configuration Customer test Customer DB Page 11
12 06 0- 재 28 형 16 : 20 담 구 넷 연 터 터 재 형 넷 연 16 :5 3: 구 52 담 06 당 인 유 Management of New Technologies 유 20 AS IP Access 16 :5 3: 당 유 CSCF HSS MRF SIP 담 DIAMETER 구 SGSN GGSN 52 인 형 AS 터 SIP-AS 재 넷 연 구 IMS/FMC 넷 연 MGCF Core router Metro SW L2 S/W L3-SW 0- 인 28 터 MEGACO MGW PSTN USN 20 담 06 당 -1 유 Ad-hoc 0- 재 28 형 :5 3: IP/MPLS 재 형 구 당 유 Page No 담 넷 연 터 당 인 :5 3: 담 당 인 유 터 재 28 형 넷 연 구 20 Auto-configuration Æ Networks with different Policies 3G/4G 인 담 터 넷 연 16 :5 3: 담 06 당 -1 유 0- 재 28 형 f Multimedia data exchanged across various networks with multiple owners. f SP-SP Interworking : TMF, Infranet f Research Challenges 구 인 28 IMS/FMC Æ Rich communication with mobile & fixed devices Page 12
13 Page No Management of New Technologies Ad-hoc network Management Resource states and communication performance Topology Management Network Performance Multi-hop routing Delay-tolerant service Infostation Management Mobile Device Management Ad-hoc 3G,3.5G, 3.9G,4G IMS/FMC IP Access Ad-hoc USN Page 13
14 USN Page No Management of New Technologies Sensor Resource Management In-network service (processor and storage) Aggregate and reduce the huge amount of data from sensors Sensor calibration & Fraud Management Cleansing mechanism to protect the propagation of corrupted data 3G,3.5G, 3.9G,4G Ad-hoc IMS/FMC IP Access USN USN Page 14
15 Page No Summary The Need for Advanced Network Management Functions from Network Managers and Field Engineers Customer-focused Network and Service Management Management of New technologies (Future Network) Page 15
16 Page No Page 16
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