2007-11-15 Apache HttpComponents AsyncClient Java library implementing an asynchronous HTTP client based on HttpCore NIO and HttpClient components. HttpAsyncClient is a library for asynchronous client-side HTTP communication built on HttpCore NIO and HttpClient components. It is a complementary library to Apache HttpClient for special cases where ability to handle a great number of concurrent connections is more important than performance in terms of a raw data throughput. Java httpcomponents-asyncclient-4.0-alpha1 2011-01-18 4.0-alpha1 httpcomponents-asyncclient-4.0-alpha2 2011-05-24 4.0-alpha2 httpcomponents-asyncclient-4.0-alpha3 2011-09-29 4.0-alpha3 Hypertext Transfer Protocol -- HTTP/1.1 IETF RFC 2616 Hypertext Transfer Protocol -- HTTP/1.0 IETF RFC 1945 Upgrading to TLS Within HTTP/1.1 IETF RFC 2817 HTTP Over TLS IETF RFC 2818 HTTP Authentication: Basic and Digest Access Authentication IETF RFC 2617 HTTP State Management Mechanism (Cookies) IETF RFC 2109 HTTP State Management Mechanism (Cookie2) IETF RFC 2965