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Intrusion Detection Systems (IDS) are one of the powerful systems used to secure the computer environments. These systems trigger thousands of alerts per day and become a headache issue to the analyst, because they need to analyze the severity of the alerts and other fields, such as the IP addresses. This paper Investigates the most popular aggregation methods, which deals with IDS alerts. In addition,...
Gradually, Voice over Internet Protocol (VoIP) has been dominating the telecommunications world. Unfortunately, its applications are injecting a huge number of small packets in the network, which produces high overhead and therefore wastes network bandwidth. This paper proposed the use of a novel multiplexing technique, Delta-Multiplexing, to save the wasted bandwidth. In the Delta-Multiplexing technique,...
E-mail systems are some of the most admired Internet-based applications today. They enable users to send and receive e-mail messages between each other both from inside and outside the local area network. The simple mail transfer protocol (SMTP) is a transportation protocol used to transfer Email messages over the Internet. When the e-mail server sends email messages among each other or from the clients...
Since the first intrusion detection system and up to this moment all IDSs had generated thousands and thousands of alerts and most of these alerts are false alerts, which lead the researchers to develop an idea to reduce the rate of the alerts or at least the false alerts of them. One of the ideas was to create correlation methods which cover the problem of dealing with the huge amount of both real...
E-mail system is one of the most ubiquitous Internet-based applications today. It enables users to send and receive e-mail messages among each other within and from outside of the local area network. E-mail system is used every day in almost all organizations as a communication tool between managers, employees, customers, and partners for better information flow and conduct business which requires...
Voice over IP (VoIP) is expected to be the key of the communication industry in near future. Inefficient bandwidth usage by VoIP consumed the network bandwidth. The problem of inefficient bandwidth usage is handled by several techniques such as silence suppression, packets multiplexing, and voice compression. This work proposed new architecture to save network bandwidth for VoIP. We called the new...
Multimedia communication has become basic necessity of internet users. It has become more and more relevant in distributed environments. There are many protocols available in IP telecommunication world for signaling and control of Internet telephone calls. InterAsterisk eXchange protocol and RSW are considered to be major protocols for signaling and data. These two protocols provide competitive voice...
Various standards organizations have considered signaling for voice and video over IP from different approaches. There are currently more than one standard for signaling and control of Internet telephone calls. Some of them, which widely used are RSW control protocol and the IETF session initiation protocol (SIP). Both protocols provide comparable functionality using different mechanisms and provide...
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