| 摘要 |
A method, device and system for data interaction are disclosed in the embodiments of the invention. The invention relates to the technical field of communication and is configured to solve the problem in the prior art that when the Network Address Translation (NAT) occurs in the network between the Fast Channel Change (FCC) server and the Set Top Box (STB), the FCC server is unable to send media stream to STB. The method comprises the following steps: the FCC server receives an FCC request message; the FCC server confirms whether the NAT has occurred in the network between the FCC server and the STB sending the FCC request message; the FCC server forms corresponding transmission strategy according to the confirmed result whether the NAT has occurred in the network between the FCC server and the STB; and the FCC server sends the FCC request response and media stream according to the transmission strategy. The invention is applicable to mass deployment of IPTV service. |
