Impact of IPSec Overhead on Web Application Servers

IPSec provides Maturity solutions to various network based applications i.e., web applications. Implementing the, IPSec in network layer includes significant bandwidth and processing time, overhead to application traffic. The upperlayer protocols such as TCP and UDP behaviour is also influenced by these overheads. In war work, we have studied the impact of IPSee on the metrics: Round Trip Time, Average Burst Size and Available Bandwidth for IPv4 and IPv6 network traffic.HMAC-MD5 authentication algorithm, advanced encryption standard encryption algorithm, and deflate comperession algorithm are used for the protocols of IPSec. From the characterized metrics and computed overheads we analyze tile impact of IPSec on connection handling capacity of web application servers by considering the user behaviour on web page requests.