Autonomic and trusted computing paradigms
ATC'06 Proceedings of the Third international conference on Autonomic and Trusted Computing
Component survivability at runtime for mission-critical distributed systems
The Journal of Supercomputing
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With the rise in usage of software components in distributed computing applications, the importance of safeguarding these components has assumed great significance. In trying to ensure the survivability of these components, we enable a mission-critical application to detect malicious codes in a component downloaded from a remote location and recover the original functionality of the compromised component. In our work, we use digital signatures to ensure the integrity of software components in a large distributed system. By detecting unauthorized add-ons to the original components we can ensure that only legitimate software components are allowed to execute in a protected software environment. We also explore techniques to recover the original functionality of the component under attack by removing the affected portion from the component. In this paper we introduce the system architecture and the support mechanisms for our proposed approaches.