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Multicast and Group Security (Artech House Computer Security by Thomas Hardjono

By Thomas Hardjono

A guide for engineers, architects and different practitioners operating within the box of web protection. It provides precise assurance of safety applied sciences and methods for IP (Internet protocol) multicast networks from the best developer of the criteria. It additionally examines vital protection concerns with regards to different staff conversation applied sciences. Algorithms and protocols for multi-party safe conversation are incorporated. Technical managers may well use this quantity as a consultant to the country of multicast and team protection, with out unavoidably having to grasp the entire targeted algorithms. laptop scientists and examine and improvement body of workers may use it as a survey of the applied sciences, methods and algorithms used to supply a safe multicast answer.

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Extra info for Multicast and Group Security (Artech House Computer Security Series)

Sample text

Thus there is no rekeying due to membership changes, which obviates the need for an efficient group key management algorithm. , for small groups). Strict enforcement of forward and backward access control may not be necessary in some applications. More precisely, membership changes may be processed periodically or in a batch [19], even if the membership changes happen at different times. Therefore a group key management solution must offer selectable/ configurable levels of security. 3 Problem area 3: Multicast security policies Multicast security policies provide the rules of operation for the other two problem areas: management of keying material and multicast data handling.

The policy server interacts with the GCKS entity in order to install and manage the security policies related to the membership of a given multicast group, and those related to keying material for a multicast group. The interactions between the policy server and other entities in the Reference Framework are dependent to a large extent on the security circumstances being addressed by a given policy. w Centralized and distributed designs. The need for solutions to be scalable to large groups across wide geographic regions of the Internet requires the elements of the framework to also function as a distributed system.

The Reference Framework defines the building blocks and suggested a program of work for research and standardization in the SMuG research group and later in the MSEC working group. The Reference Framework attempts to incorporate the main entities and functions relating to multicast security, and to depict the interrelations among them. , the three problem areas), architectures (centralized and distributed), multicast types (one-to-many or many-to-many), and protocols (the exchanged messages). The aim of the Reference Framework is to provide some general context within which problems can be identified and classified (as being within a given problem area), and the relationships among the problems can be recognized.

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