Shanghai Bilibili Technology Co., Ltd.

Shunli Liang

Hao Wang

Hanchao Zheng

Honglei Cui

Biao Hu

This application provides techniques for establishing a P2P connection. The techniques comprise communicating with at least two auxiliary nodes to obtain answer messages returned by the at least two auxiliary nodes; determining, based on the answer messages, at least one public network address corresponding to an internal network address of a first client device; registering, with a cloud server, the at least one public network address corresponding to the internal network address of the first client device, and monitoring the at least one public network address corresponding to the internal network address of the first client device; and establishing a P2P connection to a second client device when detecting, in a preset duration, that the second client device returns a response data packet to a target public network address.

Method, client, and system for establishing P2P connection

This application provides techniques comprising S: establishing a queue for accommodating m file descriptors for creating nfirst access request data packets; S: creating an ifile descriptor in the queue, sending an ifirst access request data packet by using the ifile descriptor, and monitoring a source port recorded by the ifile descriptor; S: at every first preset time interval t, enabling i to automatically increase by 1, continuing to perform operation S, and setting preset monitoring time T for each source port, where T=t*m; and S: ending monitoring of an (i−m)source port and destroying a corresponding file descriptor while creating an ifile descriptor in the queue when m*j<i≤m*(j+1), and stopping monitoring of other source ports in response to detecting that a first port receives a response data packet, where the first port is any source port in a monitored state.

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Shanghai, China

Shunli Liang