Presenting a method to deal with DDOS attack in multimedia broadband wireless network
Subject Areas : network security
Mehdi Ghahremani
1
,
Mohammad mehdi shirmohammadi
2
1 - گروه کامپیوتر، واحد همدان ، دانشگاه آزاد اسلامی، همدان، ایران
2 - Computer Engineering, Islamic Azad University of Hamadan, Hamadan, Iran
Keywords: Heavy load/traffic , Light load/traffic , Delay , DDOS attack , Wireless Local Area Network (WLAN),
Abstract :
Nowadays, many successful educational institutions, organizations, and government agencies use technological advancements to introduce themselves or increase their work efficiency by offering new products. One of the most important manifestations and products of these advancements are multimedia or multi-media software, whose use in areas such as education and business is increasing day by day.With the rapid growth of multimedia applications over the internet, maintaining Quality of Service (QoS) has become essential. Providing reliable service guarantees over the internet is the biggest current challenge for IP-based services.The use of multimedia traffic in conjunction with streaming media, such as video conferencing using the OPNET simulator, has increased. In this paper, the performance of videoconferencing systems can be modeled based on different scenarios. These scenarios include heavy and light load conditions, and examining the network's load and latency, as well as the possibility of investigating DDOS attacks, which are a type of cyber attack aimed at disabling and disrupting various online services and network resources. In such attacks, the attacker uses a large number of computer devices (usually controlled by malware) to send fraudulent and useless requests to the target system. The main goal of such attacks is to saturate network and system resources such as bandwidth, processor, and memory, in order to make the system's services unavailable and inactive. This leads to a significant increase in response time and ultimately the complete collapse of the target service.
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