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Communications method and system for communications of network accessing equipment

  • US 9,497,111 B2
  • Filed: 08/04/2011
  • Issued: 11/15/2016
  • Est. Priority Date: 08/06/2010
  • Status: Active Grant
First Claim
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1. A communication connection method for an access network device, wherein the access network device comprises a node server, an access switch and a terminal, and the method comprises:

  • acquiring, by the node server, a service request initiated by a source terminal comprising a unicast communication service request and communication link information of current service according to a service request protocol packet initiated by the source terminal by;

    obtaining, by the node server, the service request protocol packet initiated by the source terminal for establishing unicast communication service with a target terminal, wherein the service request protocol packet includes service type information, service content information and an access network address of the source terminal, wherein the service content information includes a service number;

    extracting, by the node server, an access network address of the target terminal from a preset content-address mapping table according to the service number;

    acquiring, by the node server, the communication link information of the current service according to the service type information, the access network address of the source terminal and the access network address of the target terminal; and

    wherein the communication link information is unidirectional communication link information or bidirectional communication link information and comprises communication port information of the access switch which participates in the current service; and

    determining, by the node server, that a data packet address table set currently is a unicast data packet address table according to the service type information;

    transmitting, by the node server, a port configuration command to the corresponding access switch according to the communication port information of the access switch; and

    setting, by the access switch, in its internal data packet address table, a port to which a data packet of the current service is oriented, according to the port configuration command, wherein the internal data packet address table of the access switch comprises a unicast data packet address table; and

    setting, by the node server, in its internal data packet address table, a port to which the data packet of the current service is oriented; and

    wherein if the source terminal and a target terminal being connected to a same access switch, the node server configures a data packet orientation port of the access switch, and does not configure a data packet orientation port of the node server, and when a service communication being carried out between the source terminal and the target terminal being connected to the same access switch, the access switch transmits a data packet via a corresponding downlink port of the access switch according to settings of the internal data packet address table of the access switch, without transmitting the data packet to the node server.

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