Method and apparatus for controlling handshake in a packet transmission network

An apparatus for controlling handshake in a packet transmission network, the apparatus comprising:

• a processor to detect packet loss in a handshake-based packet transmission and for estimating a cause of the detected packet loss, and change a handshake strategy of the packet transmission based on the estimated causes,
• wherein the processor estimates a packet loss rate caused by said estimated cause and to estimate a remaining time for handshake based on the packet loss rate, to compare the remaining time with a predetermined handshake timeout, changes the handshake strategy upon determination that the estimated remaining time is larger than the predetermined handshake timeout, estimates a wireless loss when the detected packet loss is distributed randomly or when delays between each received packet and respective subsequent packet of the received continuous packets are determined by the processor to be equal, and
• wherein, when the processor has estimated a wireless loss, then the processor estimates a packet loss rate, estimates a remaining time for handshake based on the packet loss rate, to compare the remaining time with a predetermined handshake timeout, and increases a transmission rate of the packet transmission proportional to a ratio between the estimated remaining time for handshake and the predetermined handshake timeout if the estimated remaining time is larger than the predetermined handshake timeout.