Principles of Secure Network Systems Design by Sumit Ghosh

By Sumit Ghosh

As e-commerce turns into the norm of industrial transactions and knowledge be­ comes a necessary commodity, it will be important that vast efforts be made to envision and rectify the issues with the underlying architectures, strategies, equipment, which are taken with offering and and instruments, in addition to organizational buildings, using companies in terms of info know-how. this kind of holistic view of the proper constructions is needed on the way to establish all the key points which may impact community safeguard. regrettably, cutting-edge structures and practices, even supposing they've got proved to be worthy and develop into frequent, comprise major pointless complexity. This complexity presents many loopholes that make structures and practices at risk of malicious assaults via hackers in addition to by means of person and arranged criminals. extra, there are huge, immense hazards as a result of malfunction of the structures. The holes within the community method can't easily be plugged up by means of cryptography and firewalls. whereas many adjustments must be made in working platforms and procedure software program with recognize to protection, this by myself doesn't remedy the matter. the issues can't be solved by way of addressing just a unmarried key point of community safeguard. A holistic technique is needed. Sumit Ghosh has supplied during this ebook one of these holistic view of the realm of community safety. therefore, it's a so much welcome contribution.

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When the network is on the drawing board, not as an afterthought. The notion is similar to the design for testability in VLSI that gained tremendous momentum in the 1980s. For otherwise, the allocation of computational resources and the network control algorithm design that have been committed at the time of network design may require subsequent modification. This may be very difficult at best and impossible at worst. As an example, consider today's IP network, which was originally designed as the Arpanet in the 1970s as a store-and-forward network with at most a few hundred nodes, located within the US or at US military bases abroad, permitting computer communication between at most a few thousand users.

In World War II, for example, the US government's failure to act on information received prior to December 7, 1941, had to be redeemed later in the war at the battle of Midway and the Normandy invasion. 4 Growing Interest in Network Security 7 discipline and proper focus, voluminous amounts of deciphered information may easily overload and overwhelm one's own computational and informational infrastructure. The third lesson is a more serious one, and it relates to the human issue. No amount of technical sophistication in security can ever hope to anticipate and rectify the errors made by individual persons.

The framework does not provide implementations of network security. Instead, it offers a map for organizing and describing mechanisms to achieve practical network security. Consider, for example, a specific encryption device that can both encrypt and decrypt data on a communications link. While the device corresponds to an implementation of network security, the specific security area constitutes communications security. For further details of security devices the reader is referred to Stallings [131, Pfleeger [14], and White, Fisch, and Pooch [15].

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