You must track of which bytes are lead bytes ., 必须清楚哪些字节是前导字节.
+bytes to 16 bytes
1 . 16字节
TCP / IP header compress algorithm compresses the header of TCP / IP datagram , from 40 bytes of typical TCP / IP datagram header to between 3 bytes to 16 bytes , to improve the transfer performance over low speed serial links .TCP/IP头压缩算法对TCP/IP数据包的包头进行压