IP address allocation within an organization requires a lot of long-term planning. This timely publication addresses the administrator and engineer's need to know how IP 6 impacts their enterprise networks
* Ideal for companies planning a phased migration from IP 4 to IP 6
* Timely publication: The IETF standard was finalized in early 1999 and will begin to be implemented in late 1999/2000. The current IP Version 4 address set will be exhausted by 2003
* The book will focus on planning and configuring networks and devices for IP 6. Specifically, it will cover how to:
* Increase the IP address size from 32 bits to 128 bits
* Support more levels of addressing hierarchy
* Support an increased number of addressable nodes
* Support simpler auto-configuration of addresses
* Improve the scalability of multicast routing by adding a scope field to multicast addresses
* Use a new anycast address to send a packet to any one of a group of nodes
Internetworking Protocol (IP) addresses are the unique numeric identifiers required of every device connected to the Internet. They allow for the precise routing of data across very complex worldwide internetworks. The rules for their format and use are governed by the Internet Engineering Task Force (IETF) of the The Internet SOCiety (ISOC). In response to the exponential increase in demand for new IP addresses, the IETF has finalized its revision on IP addressing as IP Version 6, also know as IPng (ng = Next Generation). Key hardware vendors such as Cisco and major Internet Service Providers such as America Online have already announced plans to migrate to IP Version 6.IP address allocation within an organization requires a lot of long-term planning. This timely publication addresses the administrator and engineer's need to know how IP 6 impacts their enterprise networks. Easy-to-read, light technical approach to cellular technology Ideal for companies planning a phased migration from IP 4 to IP 6 Timely publication: The IETF standard was finalized in early 1999 and will begin to be implemented in late 1999/2000. The current IP Version 4 address set will be exhausted by 2003 The book focuses on planning and configuring networks and devices for IP 6. Specifically, it will cover how to: Increase the IP address size from 32 bits to 128 bits; Support more levels of addressing hierarchy; Support an increased number of addressable nodes; Support simpler auto-configuration of addresses; Improve the scalability of multicast routing by adding a "e;scope"e; field to multicast addresses; Use a new "e;anycast address"e; to send a packet to any one of a group of nodes
Front Cover 1
IP ADDRESSING AND SUBNETTING INCLUDING IPv6 4
Copyright Page 5
Contents 10
PREFACE 20
Why This Rook is Necessary 21
Content of this Book 22
Editor's Aknowledgments 23
Chapter 1. Addressing and Subnetting Basics 24
IP Address Basics 25
Purpose of Subnetting 36
The Basics Fixed-Length Mask 42
Summary 59
FAQs 60
Chapter 2. Creating an Addressing Plan for Fixed-Length Mask Networks 62
Introduction 63
Determine Addressing Requirements 63
Choose the Proper Mask 68
Obtain IP Addresses 73
Calculate Ranges of IP Addresses for Each Subnet 76
Allocate Addresses to Devices 81
Document Your Work 85
Summary 87
FAQs 87
Exercises 88
Subnetting Tables 90
Chapter 3. Private Addressing and Subnetting Large Networks 110
Introduction 111
Strategies to Conserve Addresses 111
Addressing Economics 114
RFC 1918—Private Network Addresses 119
Strategy for Subnetting a Class A 124
Summary 133
FAQs 133
Exercises 134
Chapter 4. Network Address Translation 136
Introduction 137
Hiding Behind the Router/Firewall 137
How Does NAT Work? 143
What Are the Advantages? 184
What Are the Performance Issues? 185
Proxies and Firewall Capabilities 188
Summary 203
FAQs 206
References & Resources
Chapter 5. Variable-Length Subnet Masking 214
Introduction 215
Why Are Variable-Length Masks Necessary? 215
The Importance of Proper Planning 221
Creating and Managing Variable-Length Subnets 221
Summary 241
FAQs 243
Chapter 6. Routing Issues 246
Introduction 247
Classless Interdomain Routing 248
Contiguous Subnets 259
IGRP 260
EIGRP 265
RIP- 1 Requirements 267
RIP-2 Requirements 273
OSPF 274
BGP Requirements 290
IBGP and EBGP Requirements 295
Summary 299
FAQs 301
Chapter 7. Automatic Assignment of IP Addresses with BOOTP and DHCP Objectives 304
Introduction 305
Address Management with These Tools 309
BOOTP, DHCP, and Routed Networks 351
BOOTP Implementation Checklist 356
DHCP Implementation Checklist 357
Summary 358
FAQs 359
Chapter 8. Multicast Addressing 362
What Is Multicast? 363
Multicast Addresses 367
IP Stacks and Multicast 370
Why Multicast? 371
Summary 373
FAQ 374
References 374
Chapter 9. IPv6 Addressing 376
Introduction 377
IPv6 Addressing Basics 377
IPv6 Addressing Scheme Characteristics 380
IPv6 Benefits 410
The Need for Further Development 429
Summary 433
FAQ 434
Chapter 10. The IPv6 Header 436
Introduction 437
Expanded Addressing 438
Simplified Header 440
Improved Support for Extension and Option 440
Flow and Flow Labeling 441
Authentication and Privacy 442
IPv6 Header 443
IPv4 Header 445
Extension Headers 447
Upper-Layer Protocol Issues 472
Summary 472
FAQs 473
References 474
Appendix A : Address Assignment 476
Introduction 477
Registries 477
Provider-Based Assignments 478
Cost of an IP Address 479
How to Find an IPv4 Address Delegation 479
How to Find an IPv6 Address Delegation 481
Internet Governance 481
Summary 482
INDEX 484
Erscheint lt. Verlag | 28.1.2000 |
---|---|
Sprache | englisch |
Themenwelt | Informatik ► Netzwerke ► Sicherheit / Firewall |
Informatik ► Netzwerke ► TCP / IP und IPv6 | |
Mathematik / Informatik ► Informatik ► Web / Internet | |
ISBN-10 | 0-08-053522-4 / 0080535224 |
ISBN-13 | 978-0-08-053522-7 / 9780080535227 |
Haben Sie eine Frage zum Produkt? |
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