Develop: domain secure, and performing secure Domain Name System (DNS) dynamic updates. Domain Name System Security Extensions
Servlet API Package
The javax.servlet.http package contains a number of classes and interfaces that describe and define the contracts between a servlet class running under the HTTP protocol and the runtime environment provided for an instance of such a class by a conforming servlet container.
Library for ASP.Net which helps developers writing highly interactive web pages with out-of-band communication with the server (or OOB, ie without full page postback).