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Summary
Summary
Strengthen your understanding of today's most extensively used ATM management technology with this comprehensive new book. It explains the architecture of SNMP-based ATM network management technology and clarifies the details of its existing and evolving standards. You learn cost-effective enterprise network management solutions, and how various applications running over ATM are managed and deployed. Specifically, the book explains the fundamentals of the ATM network and the SNMP protocol. It overviews the details of the Physical and ATM Layer, LANE, PNNI, and shows how different standard MIBs and proprietary MIBs are used together to manage an ATM Switch. This single-source reference enables you to identify network management requirements for a standard compliant network management system, understand the requirements and impact of SNMP network management imposed on ATM system design, and trace, identify, and solve network problems using SNMP network management facilities.
Table of Contents
Acknowledgments | p. xiii |
1 Introduction | p. 1 |
1.1 ATM Is Coming | p. 2 |
1.2 Challenges of ATM Network Management | p. 4 |
1.3 Organization of the Text | p. 6 |
1.4 Intended Audience | p. 7 |
2 Simple Network Management Protocol | p. 9 |
2.1 Introduction | p. 9 |
2.2 Management Model | p. 11 |
2.2.1 Management Station | p. 11 |
2.2.2 Management Agent | p. 11 |
2.2.3 Proxy | p. 12 |
2.3 Structure of Management Information | p. 12 |
2.3.1 Object Definitions | p. 14 |
2.3.2 Module Definitions | p. 27 |
2.3.3 Notification Definitions | p. 30 |
2.3.4 Textual Conventions | p. 32 |
2.3.5 Conformance | p. 34 |
2.3.6 SMI Summary | p. 37 |
2.4 SNMP Protocol | p. 38 |
2.4.1 Protocol Interactions | p. 38 |
2.4.2 PDU Formats | p. 39 |
2.4.3 MIB View | p. 39 |
2.4.4 Retrieving Operations | p. 42 |
2.4.5 set-request | p. 48 |
2.4.6 Trap | p. 50 |
2.4.7 inform-request | p. 51 |
2.5 Management Information Base | p. 53 |
2.5.1 Conceptual Table Handling | p. 53 |
2.5.2 MIB II | p. 57 |
2.6 Coexistence of SNMPv1 and SNMPv2 | p. 70 |
2.6.1 MIB Modules | p. 70 |
2.6.2 Protocol Operations | p. 71 |
3 Asynchronous Transfer Mode | p. 75 |
3.1 Introduction | p. 75 |
3.2 Protocol Reference Model | p. 76 |
3.2.1 Physical Layer | p. 78 |
3.2.2 ATM Layer | p. 79 |
3.2.3 ATM Adaptation Layer | p. 80 |
3.2.4 Higher Layer | p. 80 |
3.3 ATM Layer | p. 80 |
3.3.1 ATM Transport Network | p. 81 |
3.3.2 Virtual Connections | p. 83 |
3.3.3 ATM Cell Header Format | p. 88 |
3.4 ATM Adaptation Layer | p. 90 |
3.4.1 AAL Type 1 | p. 91 |
3.4.2 AAL Type 3/4 | p. 92 |
3.4.3 AAL Type 5 | p. 95 |
3.5 Addressing Model | p. 98 |
3.5.1 Public Network Addresses | p. 99 |
3.5.2 Private Network Addresses | p. 99 |
4 ATM Network Management Architecture | p. 103 |
4.1 Introduction | p. 103 |
4.2 ATM Network Management Reference Model | p. 105 |
4.3 Customer Network Management | p. 108 |
4.4 Operation and Maintenance Functions | p. 112 |
4.4.1 Fault Management | p. 113 |
4.4.2 Performance Management | p. 115 |
4.5 Telecommunications Management Network | p. 115 |
4.5.1 TMN Architecture | p. 117 |
4.5.2 TMN-Based ATM Management | p. 123 |
4.5.3 CMIP Versus SNMP | p. 125 |
5 Integrated Local Management Interface | p. 131 |
5.1 Integrated Local Management Interface | p. 131 |
5.1.1 ILMI Protocol | p. 133 |
5.1.2 Proxy Agent | p. 134 |
5.2 ILMI MIB | p. 135 |
5.2.1 Link Management MIB | p. 136 |
5.2.2 Address Registration MIB | p. 148 |
5.2.3 Service Registry MIB | p. 153 |
6 AToM MIB | p. 155 |
6.1 Overview | p. 155 |
6.2 Management Models | p. 156 |
6.2.1 Permanent Virtual Connection Management | p. 156 |
6.2.2 AAL5 Management | p. 157 |
6.3 The Structure of the MIB | p. 158 |
6.3.1 Physical Interface | p. 158 |
6.3.2 ATM Cell Layer | p. 160 |
6.3.3 Virtual Path | p. 161 |
6.3.4 Virtual Channel | p. 164 |
6.3.5 AAL5 | p. 166 |
6.3.6 Conformance | p. 166 |
6.4 End-to-end Connection Management Using AToM MIB | p. 167 |
6.4.1 Virtual Connection Establishment | p. 168 |
6.4.1.3 Cross-Connect Virtual Links in the Intermediate Systems | p. 171 |
6.4.2 Graceful Virtual Connection Release | p. 174 |
6.4.3 Virtual Connection Reconfiguration | p. 177 |
6.4.4 Tracing of VCs | p. 179 |
6.5 AToM MIB Versus ILMI MIB | p. 182 |
7 Physical Layer Management | p. 185 |
7.1 Introduction to Digital Transmission Systems | p. 186 |
7.2 SONET/SDH Physical Layer | p. 187 |
7.2.1 Structure | p. 188 |
7.2.2 Frame Format | p. 190 |
7.2.3 OAMandP Functions | p. 192 |
7.3 RFC 1595 SONET/SDH MIB | p. 195 |
7.3.1 Management Model | p. 195 |
7.3.2 MIB Structure | p. 197 |
7.3.3 Medium Group | p. 199 |
7.3.4 Section Management | p. 200 |
7.3.5 Line/Path/VT Management | p. 201 |
8 Private Network-Network Interface | p. 203 |
8.1 Introduction | p. 203 |
8.2 PNNI Protocols | p. 205 |
8.2.1 Routing | p. 205 |
8.2.2 PNNI Signaling | p. 213 |
8.3 PNNI MIB | p. 220 |
8.3.1 Application of Relevant SNMP Standards | p. 220 |
8.3.2 MIB Structure | p. 220 |
8.3.3 MIB Groups | p. 221 |
9 LAN Emulation | p. 243 |
9.1 Introduction | p. 243 |
9.2 LANE UNI | p. 244 |
9.2.1 Architecture | p. 244 |
9.2.2 Protocol Operation | p. 248 |
9.3 LANE Management Framework | p. 252 |
9.4 Client Management | p. 254 |
9.4.1 Management Model | p. 254 |
9.4.2 MIB Structure | p. 256 |
9.4.3 Index Mapping Group | p. 256 |
9.4.4 LEC Group | p. 257 |
9.4.5 LEC ATM Addresses Group | p. 261 |
9.4.6 Registered LAN Destination Group | p. 261 |
9.4.7 LE_ARP Cache Group | p. 262 |
9.5 Service Management | p. 263 |
9.5.1 Management Functions | p. 263 |
9.5.2 LANE Server Management Model | p. 265 |
9.5.3 ELAN MIB | p. 266 |
9.5.4 LES MIB | p. 280 |
9.5.5 Broadcast and Unknown Server MIB | p. 286 |
10 The Role of Proprietary MIB | p. 291 |
10.1 Introduction | p. 291 |
10.2 Cisco LightStream 1010 | p. 292 |
10.3 Proprietary MIB | p. 294 |
10.4 Overview of LS1010 MIBs | p. 296 |
10.4.1 General Management | p. 298 |
10.4.2 ATM Layer | p. 298 |
10.4.3 Physical Layer | p. 299 |
10.4.4 ILMI | p. 300 |
10.4.5 LANE | p. 301 |
10.4.6 PNNI | p. 303 |
10.4.7 Remote Network Monitoring | p. 303 |
10.4.8 Accounting | p. 304 |
10.4.9 OAM Ping | p. 305 |
10.4.10 Access Control | p. 306 |
11 ATM Connection Management | p. 309 |
11.1 Introduction | p. 309 |
11.2 LS1010 Connection Management MIB | p. 311 |
11.2.1 Traffic Information | p. 312 |
11.2.2 Cross-Connect | p. 312 |
11.2.3 Status Information and Statistics | p. 314 |
11.2.4 Configuration Information | p. 315 |
11.2.5 Soft Virtual Connection | p. 315 |
11.2.6 VP/VC Specific Information | p. 316 |
11.2.7 Traffic Management | p. 316 |
11.3 Permanent Virtual Connection/SVC Management | p. 316 |
11.3.1 Permanent Virtual Connection Management | p. 316 |
11.3.2 SVC Management | p. 316 |
11.4 Soft Virtual Connection Management | p. 318 |
11.5 Logical Port Management | p. 320 |
12 Traffic Management | p. 323 |
12.1 Introduction | p. 323 |
12.2 ATM Service Categories | p. 324 |
12.2.1 Constant Bit Rate (CBR) | p. 324 |
12.2.2 Real-Time Variable Bit Rate (rt-VBR) | p. 324 |
12.2.3 Non-Real-Time Variable Bit Rate (nrt-VBR) | p. 325 |
12.2.4 Available Bit Rate (ABR) | p. 325 |
12.2.5 Unspecified Bit Rate (UBR) | p. 326 |
12.3 Mechanisms for Traffic Management | p. 327 |
12.4 Traffic Model for ILMI 4.0 MIB | p. 330 |
12.5 Traffic Model for AToM MIB | p. 331 |
12.5.1 Conformance Definition for PCR | p. 334 |
12.5.2 Conformance Definition for PCR CLP=0+1 and SCR CLP=0 | p. 335 |
12.5.3 Conformance Definition for PCR CLP=0+1 and SCR CLP=0+1 | p. 336 |
12.6 LS1010 Traffic Management | p. 338 |
12.6.1 Traffic Model | p. 338 |
12.6.2 Traffic Management for Virtual Connections | p. 340 |
12.6.3 Switch Resource Management | p. 342 |
13 OAM Flow Support | p. 345 |
13.1 Introduction | p. 345 |
13.2 OAM Cell Formats | p. 345 |
13.2.1 Alarm Surveillance | p. 347 |
13.2.2 Connectivity Verification | p. 347 |
13.3 OAM Support in LS1010 | p. 348 |
13.4 OAM Ping | p. 350 |
14 Latest Developments | p. 355 |
14.1 Limitations of the Current SNMP-Based ATM Management | p. 355 |
14.2 SNMP Version 3 | p. 356 |
14.3 IETF AToM Working Group | p. 358 |
14.4 Conclusion | p. 359 |
Appendix A Current IETF Network Management RFCs | p. 363 |
A.1 SNMPv1 Framework | p. 363 |
A.2 SNMPv2 Framework | p. 364 |
A.3 SNMPv3 | p. 364 |
A.4 MIB Modules | p. 364 |
Appendix B Relevant Standards From the ATM Forum | p. 369 |
Appendix C Useful Tools and URLs | p. 373 |
C.1 MIB Compiler | p. 373 |
C.2 MIB Browser | p. 374 |
C.3 Useful URLs | p. 374 |
About the Author | p. 377 |
Index | p. 379 |