摘要: As Internet dev, business required to integrate various sites into one to supply more comfortable service. However, this generated a smorgasbord look and feel. Security soon became an issue and each site then required authentication, which mean user would endure the frustrating experiencing of logins on a single site with difference name and password. And now many different devices with different attributes such as desktops, mobile phones, and palm pilots are needed to access into business sys.
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