Network Management

Description

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Cover Brief Contents Contents Preface About the Author Part I: Background Chapter 1: Data Communications and Network Management Overview 1.1 Analogy of Telephone Network Management 1.2 Data (Computer) and Telecommunication Network 1.3 Distributed Computing Environment 1.4 TCP/IP-Based Networks: Internet and Intranet 1.5 Communication Protocols and Standards 1.5.1 Communication Architectures 1.5.2 Protocol Layers and Services 1.6 Networks, Systems, and Services 1.6.1 Broadband Networks, Systems, and Services 1.6.2 Wide Area Networks 1.6.3 Broadband Access Networks 1.6.4 Home/CPE Networks 1.6.5 Quality of Service in Broadband Systems 1.6.6 Security and Privacy in Broadband Systems 1.7 Case Histories on Network, System, and Service Management 1.7.1 Case History 1: Importance of Topology (“Case of the Footprint”) 1.7.2 Case History 2: Centrally Managed Network Issues 1.7.3 Transaction Delays in Client–Server Network 1.7.4 Service Impact in End-to-End Service of Customers 1.7.5 Some Common Network Problems 1.8 Challenges of IT Managers 1.9 Network Management: Goals, Organization, and Functions 1.9.1 Goal of Network Management 1.9.2 Network Provisioning 1.9.3 Network Operations and NOC 1.9.4 Network Installation and Maintenance 1.10 Network Management Architecture and Organization 1.11 Network Management Perspectives 1.11.1 Network Management Perspective 1.11.2 Service Management Perspective 1.11.3 OSS Perspective 1.11.4 e-Business Management 1.12 NMS Platform 1.13 Current Status and Future of Network Management Summary Exercises Chapter 2: Review of Information Network and Technology 2.1 Network Topology 2.2 Local Area Networks 2.2.1 Ethernet 2.2.2 Fast Ethernet 2.2.3 Gigabit Ethernet 2.2.4 Full-Duplex Ethernet 2.2.5 Switched Ethernet 2.2.6 10-Gigabit Ethernet 2.2.7 Virtual LAN 2.2.8 Token Ring 2.2.9 FDDI 2.2.10 Wireless LAN 2.3 Network Node Components 2.3.1 Hubs 2.3.2 Bridges 2.3.3 Remote Bridge 2.3.4 Transparent Bridge 2.3.5 Source-Routing Bridge 2.3.6 Routers 2.3.7 Gateways and Protocol Converters 2.3.8 Multiprotocol Routers and Tunneling 2.3.9 Half-Bridge Configuration of Router 2.3.10 Edge Routers 2.3.11 Switches 2.4 Wide Area Networks 2.5 Transmission Technology 2.5.1 Introduction 2.5.2 Wired Transmission 2.5.3 Wireless Transmission Media 2.5.4 Transmission Modes 2.6 Integrated Services: ISDN, Frame Relay, and Broadband Summary Exercises Part II: SNMP and Network Management Chapter 3: Basic Foundations: Standards, Models, and Language 3.1 Network Management Standards 3.2 Network Management Models 3.3 Organization Model 3.4 Information Model 3.4.1 Management Information Tree 3.4.2 Managed Object Perspective 3.5 Communication Model 3.6 Abstract Syntax Notation One: ASN. 1 3.6.1 Terminology, Symbols, and Conventions 3.6.2 Objects and Data Types 3.6.3 Object Name 3.6.4 An Example of Use of ASN.1 from ISO 8824 3.7 Encoding Structure 3.8 Macros 3.9 Functional Model Summary Exercises Chapter 4: SNMPv1 Network Management: Organization and Information Models 4.1 Managed Network: Case Histories and Examples 4.2 History of SNMP Management 4.3 Internet Organizations and Standards 4.3.1 Organizations 4.3.2 Internet Documents 4.4 SNMP Model 4.5 Organization Model 4.6 System Overview 4.7 Information Model 4.7.1 Introduction 4.7.2 Structure of Management Information 4.7.3 Managed Objects 4.7.4 Management of Information Base Summary Exercises Chapter 5: SNMPv1 Network Management: Communication and Functional Models 5.1 SNMP Communication Model 5.1.1 SNMP Architecture 5.1.2 Administrative Model 5.1.3 SNMP Protocol Specifications 5.1.4 SNMP Operations 5.1.5 SNMP MIB Group 5.2 Functional Model Summary Exercises Chapter 6: SNMP Management: SNMPv2 6.1 Major Changes in SNMPv2 6.2 SNMPv2 System Architecture 6.3 SNMPv2 Structure of Management Information 6.3.1 SMI Definitions for SNMPv2 6.3.2 Information Modules 6.3.3 SNMP Keywords 6.3.4 Module Definitions 6.3.5 Object Definitions 6.3.6 Textual Conventions 6.3.7 Creation and Deletion of Rows in Tables 6.3.8 Notification Definitions 6.3.9 Conformance Statements 6.4 SNMv2 Management Information Base 6.4.1 Changes to the System Group in SNMPv2 6.4.2 Changes to the SNMP Group in SNMPv2 6.4.3 Information for Notification in SNMPv2 6.4.4 Conformance Information in SNMPv2 6.4.5 Expanded Internet MIB-II 6.5 SNMPv2 Protocol 6.5.1 Data Structure of SNMPv2 PDUs 6.5.2 SNMPv2 Protocol Operations 6.6 Compatibility with SNMPv1 6.6.1 Bilingual Manager 6.6.2 SNMP Proxy Server Summary Exercises Chapter 7: SNMP Management: SNMPv3 7.1 SNMPv3 Key Features 7.2 SNMPv3 Documentation Architecture 7.3 Architecture 7.3.1 Elements of an Entity 7.3.2 Names 7.3.3 Abstract Service Interfaces 7.4 SNMPv3 Applications 7.4.1 Command Generator 7.4.2 Command Responder 7.4.3 Notification Originator 7.4.4 Notification Receiver 7.4.5 Proxy Forwarder 7.5 SNMPv3 Management Information Base 7.6 Security 7.6.1 Security Threats 7.6.2 Security Model 7.6.3 Message Format 7.6.1 Security Threats 7.6.2 Security Model 7.6.3 Message Format 7.7 SNMPv3 User-Based Security Model 7.7.1 Authentication Protocols 7.7.2 Encryption Protocol 7.8 Access Control 7.8.1 Elements of the Model 7.8.2 VACM Process 7.8.3 VACM MIB Summary Exercises Chapter 8: SNMP Management: RMON 8.1 What is Remote Monitoring? 8.2 RMON SMI and MIB 8.3 RMON1 8.3.1 RMON1 Textual Conventions 8.3.2 RMON1 Groups and Functions 8.3.3 Relationship Between Control and Data Tables 8.3.4 RMON1 Common and Ethernet Groups 8.3.5 RMON Token-Ring Extension Groups 8.4 RMON2 8.4.1 RMON2 Management Information Base 8.4.2 RMON2 Conformance Specifications 8.5 ATM Remote Monitoring 8.6 A Case Study on Internet Traffic Using RMON Summary Exercises Chapter 9: Network Management Tools, Systems, and Engineering 9.1 System Utilities for Management 9.1.1 Basic Tools 9.1.2 SNMP Tools 9.1.3 Protocol Analyzer 9.2 Network Statistics Measurement Systems 9.2.1 Traffic Load Monitoring 9.2.2 Protocol Statistics 9.2.3 Data and Error Statistics 9.2.4 Using MRTG to Collect Traffic Statistics 9.3 MIB Engineering 9.3.1 General Principles and Limitations of SMI 9.3.2 Counters vs. Rates 9.3.3 Object-Oriented Approach to MIB Engineering 9.3.4 SMI Tables 9.3.5 SMI Actions 9.3.6 SMI Transactions 9.3.7 Summary: MIB Engineering 9.4 NMS Design 9.4.1 Functional Requirements 9.4.2 Architecture of the NMS Server 9.4.3 Key Design Decisions 9.4.4 Discovery Module 9.4.5 Performance Manager 9.4.6 Fault Manager 9.4.7 Distributed Management Approaches 9.4.8 Server Platforms 9.4.9 NMS Client Design 9.4.10 Summary: NMS Design 9.5 Network Management Systems 9.5.1 Network Management 9.5.2 System and Application Management 9.5.3 Enterprise Management 9.5.4 Telecommunications Management Systems Summary Exercises Part III: TMN and Applications Management Chapter 10: Telecommunications Management Network 10.1 Why TMN? 10.2 Operations Systems 10.3 TMN Conceptual Model 10.4 TMN Standards 10.5 TMN Architecture 10.5.1 Functional Architecture 10.5.2 Physical Architecture 10.5.3 Information Architecture 10.6 TMN Management Service Architecture 10.7 TMN Integrated View 10.8 TMN Implementation 10.8.1 OMNI Point 10.8.2 eTOM Summary Exercises Chapter 11: Network Management Applications 11.1 Configuration Management 11.1.1 Network Provisioning 11.1.2 Inventory Management 11.1.3 Network Topology 11.2 Fault Management 11.2.1 Fault Detection 11.2.2 Fault Location and Isolation Techniques 11.3 Performance Management 11.3.1 Performance Metrics 11.3.2 Data Monitoring 11.3.3 Problem Isolation 11.3.4 Performance Statistics 11.4 Event Correlation Techniques 11.4.1 Rule-Based Reasoning 11.4.2 Model-Based Reasoning 11.4.3 Case-Based Reasoning 11.4.4 Codebook Correlation Model 11.4.5 State Transition Graph Model 11.4.6 Finite State Machine Model 11.5 Security Management 11.5.1 Policies and Procedures 11.5.2 Resources to Prevent Security Breaches 11.5.3 Firewalls 11.5.4 Cryptography 11.5.5 Authentication and Authorization 11.5.6 Client–Server Authentication Systems 11.5.7 Message Transfer Security 11.5.8 Network Protection from Virus Attacks 11.6 Accounting Management 11.7 Report Management 11.8 Policy-Based Management 11.9 Service Level Management Summary Exercises Part IV: Broadband Network Management Chapter 12: Broadband Network Management: WAN 12.1 Broadband Network and Services 12.2 ATM Technology 12.2.1 Virtual Path–Virtual Circuit 12.2.2 ATM Packet Size 12.2.3 Integrated Service 12.2.4 WAN/SONET 12.2.5 ATM LAN Emulation 12.3 ATM Network Management 12.3.1 ATM Network Reference Model 12.3.2 Integrated Local Management Interface 12.3.3 ATM Management Information Base 12.3.4 Role of SNMP and ILMI in ATM Management 12.3.5 M1 Interface: Management of ATM Network Element 12.3.6 M2 Interface: Management of a Private Network 12.3.7 M3 Interface: Customer Network Management of a Public Network 12.3.8 M4 Interface: Public Network Management 12.3.9 ATM Digital Exchange Interface Management 12.4 MPLS Network Technology 12.4.1 MPLS Network 12.4.2 MPLS Traffic Engineering 12.4.3 MPLS Label 12.4.4 LSP, LSR, LDP, and Label 12.5 MPLS OAM Management 12.5.1 OAM in ATM and MPLS Network 12.5.2 Fault Management of LSP 12.5.3 Service Level Management 12.5.4 MPLS MIBs 12.5.5 Interdependencies of MPLS MIBS 12.5.6 MPLS MIB Group Composition 12.5.7 Use of Interface Stack in MPLS 12.5.8 Traffic Engineering Link MIB Group 12.5.9 MPLS Example 12.6 Optical and MAN Feeder Networks 12.6.1 Optical DWDM/SDH Network 12.6.2 SDH Management 12.6.3 SONET Transport Hierarchy and ifTables 12.6.4 WDM Optical Transport Network Summary Exercises Chapter 13: Broadband Network Management: Wired and Optical Access Networks 13.1 Broadband Access Network 13.2 Broadband Access Technology 13.3 Cable Modem Technology 13.3.1 Cable Transmission Medium and Modes 13.3.2 Cable Modem 13.3.3 Cable Modem Termination System 13.3.4 RF Spectrum for a Cable Modem 13.3.5 Data-Over-Cable Reference Architecture 13.4 Cable Access Network Management 13.4.1 Cable Modem and CMTS Management 13.4.2 HFC Link Management 13.4.3 RF Spectrum Management 13.5 DOCSIS Standards 13.5.1 DOCSIS 1.0 13.5.2 DOCSIS 1.1 13.5.3 DOCSIS 2.0 13.5.4 DOCSIS 3.0 13.6 DSL Access Network 13.7 Asymmetric Digital Subscriber Line 13.7.1 ADSL Access Network in Overall Network 13.7.2 ADSL Architecture 13.7.3 ADSL-Channeling Schemes 13.7.4 ADSL-Encoding Schemes 13.8 ADSL Management 13.8.1 ADSL Network Management Elements 13.8.2 ADSL Configuration Management 13.8.3 ADSL Fault Management 13.8.4 ADSL Performance Management 13.8.5 SNMP-based ADSL Line MIB 13.8.6 MIB Integration with Interfaces Group in MIB-2 13.8.7 ADSL Operational and Configuration Profiles 13.9 ADSL2, ADSL2+, and VDSL2 13.10 Passive Optical Network 13.11 PON Management Summary Exercises Chapter 14: Broadband Wireless Access Networks 14.1 Basic Principles 14.1.1 Free-Space Propagation 14.1.2 Two-Ray Propagation 14.1.3 Fading 14.2 Fixed Broadband Wireless Access Networks 14.2.1 MMDS Network 14.2.2 LMDS Network 14.2.3 Management of MMDS and LMDS Networks 14.2.4 IEEE 802.16 Network 14.2.5 WiMax Network 14.2.6 Management of Fixed Wireless Access Network 14.3 Mobile Wireless Networks 14.3.1 Mobile IP 14.3.2 Mobility Management 14.3.3 Resource and Power Management 14.3.4 QoS Management 14.3.5 Security Management 14.4 Satellite Networks 14.4.1 VSAT Network 14.4.2 VSAT Network Management Summary Exercises Chapter 15: Broadband Home Networks 15.1 Home Networking Technologies 15.2 Wired Home Distribution Network 15.3 Ethernet Management 15.4 Wireless Home Distribution Networks 15.5 IEEE 802.11/WiFi Network 15.6 IEEE 802.11 Network Management 15.6.1 Security Management 15.6.2 Quality of Service Management 15.6.3 Central Management of WLANs Summary Exercises Chapter 16: Advanced Management Topics 16.1 Introduction 16.1.1 Next Generation NM Requirements 16.1.2 Status of Current NM Technology 16.1.3 Limitations of SNMP Management 16.1.4 Evolutionary Approaches to Overcome Limitations 16.2 Early Web-Based Development 16.2.1 Web Interface and Web Management 16.2.2 Web-Based Enterprise Management 16.2.3 Web-Based Interface Management Architecture 16.3 CORBA-Based NM Technology 16.3.1 Limitations of TMN-Based Management 16.3.2 Emergence of CORBA-Based Management 16.3.3 CORBA Agent 16.3.4 CORBA-Based Manager 16.4 XML-Based NM Technology 16.4.1 Use of XML and Associated Technologies for NM 16.4.2 XML-Based Management Approaches 16.4.3 Current Status of XML-Based Management 16.4.4 XML-Based Manager 16.4.5 XML-Based Agent 16.4.6 XML-Based Web Services for Management 16.5 Comparison of Management Technologies 16.6 Recent NM-Related Standards Summary Exercise Appendix A: OSI Network and System Management A.1 OSI Management Standards A.2 System Overview A.3 Organization Model A.4 Information Model A.4.1 Structure of Management Information A.4.2 Managed Object Class and Instance A.4.3 Inheritance A.4.4 Management Information Trees A.4.5 Guidelines for Definition of Managed Object Templates A.5 Communication Model A.5.1 System Management Application Entity A.6 Application Functions Management Summary Appendix B: Project Suggestions B.1 Project Structure and Evaluation B.2 Projects Appendix C: Laboratory Tutorials C.1 Network Basic Tools Lab C.2 SNMP Tools Lab C.3 SNMP Applications Appendix D: Spread Spectrum Technology: OFDM D.1 Fourier Transformation Trademarks Acronyms Glossary References Index