When the servletcontainer (like Apache Tomcat) starts up, it will deploy and load all webapplications. When a webapplication get loaded, the servletcontainer will create the ServletContext once and keep in server's memory. The webapp's web.xml will b…
Delegate authentication to an external identity provider. This pattern can simplify development, minimize the requirement for user administration, and improve the user experience of the application. 向外部身份提供程序的委托身份验证.这种模式可以简化开发,最大限度地减少对用户管理的要求,提高了应用程序…
AAU (Active Antenna Unit) In the MBB (Mobile Broadband) era, the astonishing growth in data traffic carried by mobile broadband systems brought on by the integration of video, social networking and the overwhelming acceptance of mobile terminals puts…