State pros and cons of Selenium RC?

Pros

This supported cross platform and cross browser testing

Conditional operations and looping scenarios could be handled here

Data driven framework is supported in Selenium RC

Performance is better when compared with Selenium IDE

Cons

Selenium RC's installation is more complicated when compared with selenium IDE

In order to execute test cases, needs selenium RC server

Having knowledge of any programming language is mandatory to be able to work on Selenium RC

Browser interaction is less real as RC interacts with browser using JavaScript interface