Security for ATM Networks

Thomas D. Tarman, Sandia National Laboratories

Introduction

ATM Overview

User Plane

Control Plane

Management Plane

Noncryptographic ATM VPNs

Permanent Virtual Circuits/Paths

ATM Address Filtering

Cryptographic ATM Security Mechanisms

Connection Initiation Security

Label-Based Access Control

Traffic Security

Supporting Mechanisms

Control Plane Security Mechanisms

Conclusion

Glossary

Cross References

References

Further Reading

INTRODUCTION

Asynchronous transfer mode (ATM) is a networking technology that was selected by the International Telecommunication Union (ITU) to implement the broadband integrated digital services network, which promised integrated delivery of a variety of application traffic, including voice, video, and data. During the peak of ATM standards activity in the mid-1990s, a group of researchers and vendors started thinking about the need to supplement the ATM protocol standard suite with additional standards that provided cryptographically strong security services, including confidentiality, authentication, and access control. As a result, a working group was started in the ATM Forum that worked to develop a set of specifications for security services, and the ATM Security 1.1 specification was approved by the ATM Forum in 2001.

This chapter provides a brief overview of the security mechanisms that are defined in Security 1.1. However, because there is more to ATM security than the Security 1.1 mechanisms, this chapter first provides ...

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