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Introduction to IP Address Management

ISBN: 978-1-118-07380-3
263 pages
February 2011, Wiley-IEEE Press
Introduction to IP Address Management (1118073800) cover image
A step-by-step guide to managing critical technologies of today's converged services IP networks

Effective IP Address Management (IPAM) has become crucial to maintaining high-performing IP services such as data, video, and voice over IP. This book provides a concise introduction to the three core IPAM networking technologies—IPv4 and IPv6 addressing, Dynamic Host Configuration Protocol (DHCP), and Domain Name System (DNS)—as well as IPAM practice and techniques needed to manage them cohesively.

The book begins with a basic overview of IP networking, including a discussion of protocol layering, addressing, and routing. After a review of the IPAM technologies, the book introduces the major components, motivation, benefits, and basic approaches of IPAM. Emphasizing the necessity of a disciplined "network management" approach to IPAM, the subsequent chapters enable you to:

  • Understand IPAM practices, including managing your IP address inventory and tracking of address transactions (such as allocation and splitting address space, discovering network occupancy, and managing faults and performance)

  • Weigh the costs and justifications for properly implementing an IPAM strategy

  • Use various approaches to automating IPAM functions through workflow

  • Learn about IPv4-IPv6 co-existence technologies and approaches

  • Assess security issues with DHCP network access control approaches and DNS vulnerabilities and mitigation including DNSSEC

  • Evaluate the business case for IPAM, which includes derivation of the business case cost basis, identification of savings when using an IP address management system, associated costs, and finally net results

Introduction to IP Address Management concludes with a business case example, providing a real-world financial perspective of the costs and benefits of implementing an IP address management solution. No other book covers all these subjects cohesively from a network management perspective, which makes this volume imperative for manager-level networking professionals who need a broad understanding of both the technical and business aspects of IPAM. In addition, technologists interested in IP networking and address management will find this book valuable.

To obtain a free copy of the IPAM Configuration Guide please send an email to:

ieeeproposals@wiley.com

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Preface.

Acknowledgments.

1 IP NETWORKING OVERVIEW.

IP Networking 101.

IP Networking 102.

Highlights of Internet Protocol History.

2 INTERNET PROTOCOL ADDRESSING.

The IP Header.

Binary Review.

IP Addressing.

Classless Addressing.

Special Use IPv4 Addresses.

IP Version 6 (IPv6).

IPv6 Address Allocations.

IPv6 Address Autoconfiguration.

Required Host IPv6 Addresses.

Regional Internet Registries.

Key IP Addressing Management Challenges.

3 DYNAMIC HOST CONFIGURATION PROTOCOL (DHCP).

Introduction.

DHCP Overview.

DHCP for IPv6 (DHCPv6).

DHCP Server Deployment Considerations.

Other Means of Dynamic Address Assignment.

Key DHCP Management Challenges.

4 THE DOMAIN NAME SYSTEM (DNS).

DNS Overview—Domains and Resolution.

Name Resolution.

Zones and Domains.

Resolver Confi guration.

DNS Update.

Resource Records.

DNS Server Deployment Considerations.

Key DNS Management Challenges.

5 IP ADDRESS MANAGEMENT OVERVIEW.

Key Elements of IP Address Management.

Applications of Address Management Technologies.

Potential Impacts of Inadequate IP Address Management.

IP Address Management as Network Management.

IP Address Management Business Benefi ts.

Common Approaches and IPAM Evolution.

6 IP ADDRESS MANAGEMENT PRACTICES.

FCAPS Summary.

Common IP Management Tasks.

Confi guration Management.

Fault Management.

Accounting Management.

Performance Management.

Security Management.

Disaster Recovery/Business Continuity.

ITILProcess Mappings.

7 IP ADDRESS MANAGEMENT WORKFLOW.

What Is Workflow?

Workflow Realization.

Workflow Benefits.

Workflow Scenarios.

Summary.

8 IPv6 DEPLOYMENT AND IPv4 CO-EXISTENCE.

Why Implement IPv6?

Dual Stack Approach.

Tunneling Approaches.

Translation Approaches.

9 SECURITY CONSIDERATIONS.

DHCP and Network Access Security.

Network Access Control (NAC).

Alternative Access Control Approaches.

Securing DHCP Servers.

DNS Vulnerabilities.

Mitigation Approaches.

DNS Security Extensions (DNSSEC).

10 IP ADDRESS MANAGEMENT BUSINESS CASE.

Business Case Overview.

Business Case Cost Basis.

Savings with IPAM Deployment.

Business Case Expenses.

Netting It Out: Business Case Results.

Conclusion.

Appendix A IPv4 DHCP Options.

Appendix B DHCPv6 Options.

Appendix C DNS Resource Record Summary.

Glossary.

Bibliography.

Index.

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Timothy Rooney has worked with IP technologies in various capacities over the last sixteen years, including systems engineering and development. He has an extensive background not only in IP, but also in telecommunications, wireless services, and software, having worked at Bell Laboratories, AT&T Wireless, Lucent Technologies, and BT. In his current role as Director of Product Management with BT Diamond IP, Rooney is responsible for the overall BT Diamond IP product lifecycle, managing product features and releases, as well as supporting sales and marketing.
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