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Defending Denial of Service:State Overload Attacks
In a denial-of-service (DoS) attack, an attacker attempts to prevent legitimate users from accessing information or services. By targeting your computer and its network connection, or the computers and network of the sites you are trying to use, an attacker may be able to prevent you from accessing email, web sites, online accounts (banking, etc.), or other services that rely on the affected computer. Several value-added services have been proposed for deployment in the Internet. IP multicast is an example of such a service. IP multicast[2] is a stateful service in that it requires routers to maintain State for forwarding multicast data toward receivers. This characteristic makes the service and its users vulnerable to denial-of-service (DoS) attacks. One type of attack aims to saturate the available buffer space for storing state information at the routers. A successful attack can prevent end systems from properly joining multicast groups. In this paper, we present a solution to state overload attacks;.
Keywords
IP Multicast, State Overload Attack.
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