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.
CAjax is a library for building AJAX style web applications, which consists of a javascript package for easy writing object-oriented AJAX logic in javascript, and a set of server-side packages dealing with unified communication details.