I haven't done this kind of job before. For a small company who wants to buy router,switches...I have to do the reaserch to get the best product which has the good feature for what the company wants with limited budget.So is there a book or document,which can help me how to collect data or information,analyze,and compare? I have some common idea but if there is a way to do it profasionally please help me. Thank you __________________________________________________ Do You Yahoo!? Get email at your own domain with Yahoo! Mail. http://personal.mail.yahoo.com/ _________________________________ FAQ, list archives, and subscription info: http://www.groupstudy.com/list/cisco.html Report misconduct and Nondisclosure violations to [EMAIL PROTECTED]