By Djamel Khadraoui, Francine Herrmann
Advances in company info expertise safeguard offers a huge operating wisdom of the entire significant safety matters affecting todays firm IT actions. The chapters during this most excellent Reference resource are written by way of a few of the worlds top researchers and practitioners within the filed of IT safeguard. There aren't any easy and whole solutions to the problems of safety; accordingly, a number of ideas, suggestions, and functions are completely tested. This reference paintings provides the instruments to deal with possibilities within the box, and is an all-in-one reference for IT managers, community directors, researchers, and scholars.
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Traditional Security Features Fault Tolerance There is a great similarity between GRID security and classical network security. It depends on the activity type, on the risks firms are ready to take and overall on the cost of the installation and the configuration of security systems such as firewall. All these features exist for the GRID; however, some are more important in this case. Moreover, additional requirements specific to GRID environments exist. Indeed, security policies have to protect a GRID computing platform without adding too many constraints that could seriously decrease performance in terms of calculation In GRID environments fault tolerance must be managed to ensure that a fault on a component does not cause the loss of all the work performed.
Although clustering can provide significant improvements in overall computing power, a cluster remains a dedicated resource, built at a single location. Rapid improve- Copyright © 2008, IGI Global, distributing in print or electronic forms without written permission of IGI Global is prohibited. Security in GRID Computing ments in communication technologies led many researchers to consider a more decentralized approach to the problem of computing power. org; http://setiathome. edu) to name a few.
Internet Web server should be on the “external” firewall, while Intranet Web server should be on the “internal” firewall. Furthermore, as already explained in the other architectures, each DMZ should host machines that should be accessed by the same category of persons or machines. This avoids persons from one category attempting to get access to resources of another category by realizing a local attack within the DMZ with no detection by the firewall. Finally, this architecture can be improved by introducing a router between the “external” firewall and external area, especially if firewall products are software ones installed on a computer (equipped with network cards), and those firewalls have been installed on the existing operating system instead of their own one.
Advances in Enterprise Information Technology Security (Premier Reference) by Djamel Khadraoui, Francine Herrmann