Simulation and analysis of DoS attack in cloud environment

摘要

Cloud computing is a dynamic environment in terms of both topology and network technology. The resources in the cloud environment are scalable and it is offered to the customer's on-demand which leads to a drastic increase in the customer's count. The key design feature of the internet and the protocols used to access the cloud services makes it vulnerable to various security issues. Out of the critical security issues, denial of service (DoS) ranks first since it disrupts the availability of cloud services. This paper aims to provide a detection mechanism for DoS attack in the cloud computing environment using the simple network management protocol (SNMP). SNMP is efficient in detecting the TCP-SYN flood attack in the cloud environment. Impact of the attack is estimated in terms of the system parameters CPU utilisation, I/O and latency.