Hypertext Transfer Protocol (HTTP) Digest Authentication Using Authentication and Key Agreement (AKA) Status of this Memo This memo provides information for the Internet community. It does not specify an Internet standard of any kind. ...

RTP: Real-time Transport Protocol,实时传输协议，一般用于多媒体数据的传输。 RTCP: RTP Control Protocol，实时传输控制协议，同RTP一起用于数据传输的监视，控制功能。 RTSP: Real Time Streaming Protocol,实时流协议，用于多媒体数据流的控制，如播放，暂停等。...

Screening list： alice@server.test 呼叫流程： Servlet在doRequest方法中检查UA的URI是否在Screening列表中，如果在，返回603 DECLINE响应。 import java.io.IOException; import java.util.*; import javax.servlet.sip.*; import javax.servlet.*; public class Ca...

Servlet 将收到的请求转发到指定的URI。 import java.io.IOException; import javax.servlet.sip.*; import javax.servlet.*; public class CallForward extends SipServlet { SipURI m_target = null; SipFactory m_sipFactory; public void init() throws ServletExc...

SIP Servlet 示例之 Call Forward Screening list： alice@server.test 呼叫流程： screen.width-333)this.width=screen.width-333\"> Servlet在doRequest方法中检查UA的URI是否在Screening列表中，如果在，返回603 DECLINE响应。 import java.io.IOException; import...

ISI D.Borman Cray Research C. Partridge BBN Laboratories September 1988 Computing the Internet Checksum Status of This Memo This memo summarizes techniques and algorithms for efficiently comp...

This memo describes an updated technique for incremental computation of the standard Internet checksum. It updates the method described in RFC 1141....

from: http://en.wikipedia.org/wiki/Adler-32\" ; target=\"_blank\" > http://en.wikipedia.org/wiki/Adler-32 ;/A> Adler-32 is a checksum algorithm which was invented by Mark Adler. Compared to a cyclic redundancy check of the same length it trades reli...

如果要自己填充IP数据报，那么计算Checksum是必不可少的一步，算法如下。 按16位一组，取补码相加，然后对和取补码 USHORT Checksum(USHORT *buffer, int size) { unsigned long cksum=0; while(size >1) { cksum+=*buffer++; size -=sizeof(USHORT); } if(size) cksum...

点击浏览该文件 WHITEPAPER – IP Streaming of MPEG-4:Native RTP vs MPEG-2 Transport Stream Authors: Alex MacAulay, Boris Felts, Yuval Fisher October 2005 Contents 1. SUMMARY ........................................................... 3 2. BACKGROUND...