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OSPF: Anatomy of an Internet Routing Protocol / Edition 1
     

OSPF: Anatomy of an Internet Routing Protocol / Edition 1

by John T. Moy
 

ISBN-10: 0201634724

ISBN-13: 9780201634723

Pub. Date: 02/16/1998

Publisher: Addison-Wesley

Written for TCP/IP network administrators, protocol designers, and network application developers, this book gives the most complete and practical view ever into the inner workings of Internet routing. The book focuses on OSPF (Open Shortest Path First), a common TCP/IP routing protocol that provides robust and efficient routing support in the most demanding

Overview

Written for TCP/IP network administrators, protocol designers, and network application developers, this book gives the most complete and practical view ever into the inner workings of Internet routing. The book focuses on OSPF (Open Shortest Path First), a common TCP/IP routing protocol that provides robust and efficient routing support in the most demanding Internet environments. A methodical and detailed description of the protocol is offered and OSPF's role within the wider context of a TCP/IP network is demonstrated.

Practical throughout, the book provides not only a theoretical description of Internet routing, but also a real-world look into how theory translates into practice. It shows how algorithms are implemented, and how the routing protocols function in a working network where transmission lines and routers routinely break down.

You will find clear explanations of such routing fundamentals as how a router forwards packets, IP addressing, CIDR (Classless Inter-Domain Routing), the routing table, Internet routing architecture, and the two main routing technologies: Distance Vector and link-state algorithms. OSPF is discussed in depth, with an examination of the rationale behind OSPF's design decisions and how it has evolved to keep pace with the rapidly changing Internet environment. OSPF topics covered by the book include the following:

  • OSPF areas and virtual links
  • NBMA (Nonbroadcast multi-access) and Point-to-MultiPoint network segments
  • OSPF configuration and management
  • Interaction with other routing protocols
  • OSPF cryptographic authentication
  • OSPF protocol extensions, including the Demand Circuit extensions and the multicast extensions to OSPF (MOSPF)
  • An OSPF FAQ

IP multicast and multicast routing are also discussed. Methods for debugging routing problems are explained, including a catalog of available debugging tools. The book also offers side-by-side comparisons of all the unicast and multicast routing protocols currently in use in the Internet.

You will come away from this book with a sophisticated understanding of Internet routing and of the OSPF protocol in particular. Moreover, the book's practical focus will enable you to put this deeper understanding to work in your network environment.

0201634724B04062001

Product Details

ISBN-13:
9780201634723
Publisher:
Addison-Wesley
Publication date:
02/16/1998
Edition description:
New Edition
Pages:
368
Product dimensions:
7.40(w) x 9.40(h) x 1.00(d)

Table of Contents

List of Tables
ix(2)
List of Figures
xi(4)
Preface xv
Part I. Internet Routing Overview 1(40)
Chapter 1. Role of Routers in the Internet
3(24)
1.1 The Internet Protocol Suite
4(5)
1.2 Forwarding IP Datagrams
9(13)
1.3 IPv6
22(5)
Chapter 2. Internet Routing Protocols
27(14)
2.1 Routing Tables
27(5)
2.2 Internet Routing Architecture
32(3)
2.3 Distance Vector Algorithms
35(4)
2.4 Link-State Algorithms
39(2)
Part II. The OSPF Protocol 41(128)
Chapter 3. Developing the OSPF Protocol
43(28)
3.1 Functional Requirements
43(4)
3.2 Design Decisions
47(9)
3.3 OSPFv1: A False Start
56(1)
3.4 Interoperability Testing
57(4)
3.5 Field Trials
61(5)
3.6 On Becoming a Standard
66(1)
3.7 The Internet Evolves
67(4)
Chapter 4. OSPF Basics
71(30)
4.1 An OSPF Example
72(2)
4.2 Link State Advertisements (LSAs)
74(7)
4.3 A Sample LSA: The Router-LSA
81(2)
4.4 The Link-State Database
83(2)
4.5 Communicating between OSPF Routers: OSPF Packets
85(1)
4.6 Neighbor Discovery and Maintenance
86(1)
4.7 Database Synchronization
87(8)
4.8 Routing Calculations
95(6)
Chapter 5. OSPF Network Types
101(18)
5.1 The IP Subnet Model
102(2)
5.2 Broadcast Subnets
104(7)
5.3 NBMA Subnets
111(3)
5.4 Point-to-MultiPoint Subnets
114(5)
Chapter 6. Hierarchical Routing in OSPF
119(16)
6.1 OSPF Areas
122(5)
6.2 Incorporating External Routing Information
127(5)
6.3 OSPF Area Types
132(3)
Chapter 7. OSPF Extensions
135(16)
7.1 TOS-Based Routing
137(2)
7.2 Stub Areas
139(1)
7.3 Demand Circuit Extensions
140(3)
7.4 NSSA Areas
143(2)
7.5 Database Overflow Support
145(1)
7.6 The External-Attributes-LSA
146(5)
Chapter 8. An OSPF FAQ
151(18)
Part III. Internet Multicast Routing 169(42)
Chapter 9. Internet Multicast Routing
171(16)
9.1 Internet Multicast Model
171(2)
9.2 The Multicast Protocol Stack
173(5)
9.3 Broadcast Forwarding
178(6)
9.4 MBONE
184(3)
Chapter 10. MOSPF
187(24)
10.1 An Extended Example
188(4)
10.2 Group-Membership-LSAs
192(2)
10.3 MOSPF Routing Calculations
194(5)
10.4 Hierarchical Multicast in MOSPF
199(4)
10.5 Backward Compatibility: Mixing with Nonmulticast Routers
203(3)
10.6 MOSPF in the MBONE
206(5)
Part IV. Configuration and Management 211(62)
Chapter 11. OSPF Management
213(30)
11.1 SNMP
214(4)
11.2 OSPF MIB
218(4)
11.3 Configuring OSPF
222(6)
11.4 An Example: The Arkansas Public School Computer Network
228(2)
11.5 Monitoring the OSPF Protocol
230(3)
11.6 Interactions with Other Routing Protocols
233(3)
11.7 OSPF Security
236(7)
Chapter 12. Debugging Routing Problems
243(30)
12.1 War Stories
244(1)
12.2 Finding Tools for Debugging Routing Problems
245(1)
12.3 Tool Interpretation
245(2)
12.4 The ping Tool
247(3)
12.5 The traceroute Tool
250(4)
12.6 SNMP MIBs
254(3)
12.7 MIB-Based Tools
257(2)
12.8 Network Analyzers
259(4)
12.9 Protocol-Specific Tools
263(2)
12.10 Product-Specific Monitoring and Tracing
265(1)
12.11 Multicast Traceroute
266(7)
Part V. Routing Protocol Comparisons 273(44)
Chapter 13. Unicast Routing Protocols
275(34)
13.1 RIP
277(4)
13.2 OSPF
281(3)
13.3 BGP
284(13)
13.4 IGRP
297(3)
13.5 Integrated IS-IS
300(3)
13.6 Historical Protocols
303(2)
13.7 Interaction among Routing Protocols
305(4)
Chapter 14. Multicast Routing Protocols
309(8)
14.1 Broadcast-and-Prune Protocols
310(2)
14.2 DVMRP
312(1)
14.3 MOSPF
313(1)
14.4 PIM Dense
314(1)
14.5 PIM Sparse
314(1)
14.6 CBT
315(1)
14.7 Interaction among Multicast Routing Protocols
315(2)
Bibliography 317(14)
Index 331

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