Frame relay networks : specifications and implementations /
Uyless Black.
- 2nd
- New York: McGraw-Hill, 1996
- 276 p.
CONTENIDO Chapter 1 Introduction to Frame Relay Networks 1 Predictions of Frame Relay Use 1 Communications Infrastructure 2 Frame Relay's Approach to Capacity and Intelligence Problems 6 Frame Relay and Voice Traffic 8 Frame Relay: An Evolutionary Technology 8 Frame Relay: A Dead-End Technology? 8 Reasons for the Use of Frame Relay 9 Comparison of Local and Wide Area Networks 10 The Network Bottleneck 10 A Standardized Interface 13 Genesis of Frame Relay 14 Frame Relay vs. Leased Lines 16 Virtual Private Networks (VPN)with Frame Relay 21 Frame Relay Virtual Circuits 23 Guidelines to the Frame Relay Specifications and the Organization of This Book 26 Summary 26 Chapter 2 The OSI and Internet Protocols 29 Layer Operations 29 The OSI-Based Protocols 41 The Internet Protocols 46 Frame Relay's Relationship to a Layered Model 52 Summary 53 Chapter 3 What a Frame Relay System Does and Doesn't Do 55 Distinction Between a Frame, Packet, Datagram, and Other Data Unite 55 Operations of a Conventional Data Link Protocol 56 Operations of the Data Link Layer with Frame Relay 61 Tradeoffs of Link-by-Link vs. End-to-end Error Recovery 63 Layer 2 Requirements Cited by ITU-T Q921 and ANSI T1.602 68 A Typical Frame Relay Configuration 68 Summary 69 Chapter 4 Basics of ISDN 71 Rationale for ISDN 71 The ISDN Layers 72 The ISDN Terminal 72 Layer 2 of ISDN 75 Layer 3 of ISDN (0.931) 76 Example of an ISDN Call 79 Relationship Between Frame Relay and ISDN 81 Summary 81 Chapter 5 Basics of X.25 83 Why X.25 Was Developed 83 Assumptions Made by the X.25 Designers 84 The X.25 Layers 84 X.25 Data Link Layer Operations 85 X.25 Network Layer Operations 86 X.25 Packets 89 X.25 States, Error Handling, and the Frame Relay Approach 91 X.25 Facilities and the Frame Relay Approach 91 Comparison of X.25 Operations to Frame Relay Operations 91 Joint Use of X.25 and Frame Relay? 94 Summary 95 Chapter 6 Basic Operations of Frame Relay 97 Frame Relay: Connection Services and Data Management 97 Congestion Control 100 Major Frame Relay Operations 102 The Frame Relay Frame 102 DLCI Interpretations 105 Multicasting 108 Summary 110 Chapter 7 Service Description 111 Frame Relay and the C-, U-, and M-Planes 111 Frame Relay User-to-Network Interface Architecture 113 Service Attributes 113 Performance Criteria 116 Recommendation 1.464 on Multiplexing, Rate Adaptation, and Interfaces for 64-Kbps Transfer Capability 116 The OSI Architecture and Frame Relay 117 Summary 120 Chapter 8 Core Aspects of Frame Relay 121 The Five Core Functions 121 Frame Relay Frame Formats 122 Congestion Control Management 123 Summary 129 Chapter 9 Traffic Management 133 Recommendation 1.370 for Congestion Management 133 Performance Criteria 135 Using the CIR, Be, and B. for Traffic Management 139 Congestion, Throughput, and Delay 142 Approaches to Frame Relay Data and Congestion Management 147 Summary 158 Chapter 10 Signaling for Switched Virtual Calls 159 Scope of Signaling System Number 1 (DSS1) 159 Messages for Frame Relay Connection Control 160 Proposals for Modification to 0.933 171 Frame Relay Forum Recommendations for a Switched Virtual Call (SVC)Capability 171 ANSl's Provision for OSI Connection Mode Network Services over Frame Relay 171 Summary 176 Chapter 11 The NNI, ICI, and LMI 177 The NNI 177 The ICI (FR_ICI) 190 The LMI 194 Summary 198 Chapter 12 Internetworking Frame Relay and Other Systems 199 RFC 1490: Running Multiprotocol Families over Frame Relay 199 The Data Exchange Interface (DXI) 203 RFC 1483: Running Frame Relay over ATM 210 Thernetworking Frame User-to-Network Interface (FUNI) 212 Internetworking Frame Relay and X.25 213 Summary 215 Chapter 13 Network Management 217 The Frame Relay MIB 217 Bellcore and ANSI Models for Network Management 226 Summary 230 Chapter 14 Other Pertinent Aspects of Frame Relay 237 Typical Tasks in Configuring Frame Relay Interfaces 237 Voice Over Frame Relay (VOFR) 238 Chapter 15 The Frame Relay Market 243 Descriptions of Services 243 Use of the Services at UNI 244 Major Applications Using Frame Relay 245 What Frame Relay Is Augmenting or Replacing 245 Summary and Some Final Thoughts 246 Appendix A A Tutorial on Network Management Protocols, MlEBa, and Object Libraries 249 Terms and Definitions 249 OSI Information Modeling 252 The OSI Network Management Layers 253 The Internet Network Management Layers 253 Naming and Name Registration 254 The Management Information Base (RIB) 255 CMIP and CMISE 257 SNMP 257 Appendix B The Asynchronous Transfer Mode (ATM) 261 Characteristics of ATM 261 ATM Layers 262 The ATM UNI 263 The ATM NNI 263 The ATM ICI 265 ATM Switching 265 The ATM Adaptation Layer (AAL) 266 Index 271 About the author 277
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FRAME RELAY OSI INTERNET PROTOCOLS ISDN NETWORK MANAGEMENT