Patent ID: 7849183

Claim:
A method comprising: operating network interface card (NIC) agent software on a server computer, said NIC agent software operable to collect performance data indicative of NIC events involving a web page transaction, said NIC agent software customized to collect performance data on tiers of web servers and tiers of NICs; operating client agent software on a client computer, said client agent software operable to collect performance data indicative of client events involving the web page transaction, and said client agent software customized to collect performance data on tiers of web servers and tiers of NICs; collecting the information indicative of NIC events, the information indicative of client events; and correlating the information indicative of the NIC events, and the information indicative of client events, to monitor performance of the web page transaction, wherein correlating the information comprises correlating the information indicative of NIC events with the information indicative of client events by grouping events by a client address and by a server address and matching pairs of NIC events and server events by time and data transfer size.