To Whomsoever it may concern This letter is to endorse the work of Prof. Bharat Bhargava at Purdue University. Professor Bhargava has supported the IBM Company through his assistance in recruiting at Purdue University as well as his research in Differentiated Quality of Service in e-commerce applications which supports the IBM e-commerce iniative. I feel that the work performed by Professor Bhargava is key in enabling IBM to continue to lead the industry in e-commerce solutions. Professor Bhargava's research collaboration with Professor Tortsen Braun at University of Bern on Differential Quality of Service in e-commerce application has yielded excellent results as ellaborated in the proposal to be submitted to IBM by Professor Bhargava. We feel that Professor Bhargava would be an excellent candidate to participate in the IBM Shared University Research Program. This program would allow Professorr Bhargava and his research staff to collaborate with IBM in the field of e-commerce. Professor Bhargava brings to IBM the intellectual capital and research laboratory facilities of Purdue University as well as his many years of experience consulting and research expertise. The record of achievement at Purdue is unparalled in the field of computer science research. I have known Professor Bhargava for many years and am proud to count myself amoung his students at Purdue. Professor Bhargava and his students are a great source of prospective employment candidates in our recruiting efforts in the field of e-commerce as well as many other areas critical to our success in industry. Please feel free to contact me for any further information. Krishna Sriram Business Development Representative Allstate Account Team IBM Global Services (847)-402-5624