iran telecommunication research center

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Anomaly Intrusion Detection System Using Hierarchical Gaussian Mixture Model

Intrusion Detection Systems have been widely used to overcome security threats in computer networks and to identify unauthorized use, misuse, and abuse of computer systems. Anomaly-based approaches in Intrusion Detection Systems have the advantage of being able to detect unknown attacks; they look for patterns that deviate from the normal...

Tags: Intrusion Detection System, Anomaly, Iran Telecommunication Research Center, Intrusion Detection, Network Security, Security, Networking

White papers 2008-08-01

Analysis of Performance and Quality Parameters for Service Level Agreement in Long Distance Calls Service

SLA Service level agreement is a formal negotiated contract between service providers and customers. Nowadays the quality of telecommunication services is the key parameter in the success or failure of business enterprises. If there is no SLA between two parties, the customers can not track their rights. With SLA, expectations...

Tags: SLA, Performance, Service Provider, Analysis, Iran Telecommunication Research Center, Service Level Management, Business Services, It Operations, It service Management

White papers 2008-03-21