Patent ID: 11863630
Assignee: BEIJING BAIDU NETCOM SCIENCE TECHNOLOGY CO., LTD.
Field: Digital communication (Electrical engineering)
Classification: CPC H | IPC H

Claim 5:
6. A connection establishment method applied to an accessed node, comprising:
sending a connection establishment request to a server and establishing a connection to the server so that the server acquires accessed connection information of the accessed node and forward the accessed connection information to an access node;
receiving access connection information of the access node from the server, wherein the access connection information of the access node is determined according to candidate information of the access node and first initial information of the access node, the first initial information of the access node is acquired according to the accessed address request of the access node, and the candidate information of the access node is determined according to the first initial information and a first port adjustment amount;
sending hole punching data to the access node according to the access connection information to open up a connection channel between the access node and the accessed node; and
receiving the connection establishment request from the access node according to the accessed connection information and establishing a connection to the access node.