Patent ID: 9560116
Date: 2017-01-31
CPC Classifications: H04L

Claim:
1. A second network device that communicates with a management device via a firewall, the second network device comprising: a memory; and a processor in communication with the memory, the processor being configured to act as units comprising: a connection establishing unit configured to establish a connection with the management device using a Websocket protocol, wherein the connection with the management device using the Websocket protocol is established beginning at a handshake request from the second network device to the management device; a receiving unit configured to receive, from a first network device, a request for utilizing the Websocket protocol as a communication method with the management device, wherein the received request is different from the handshake request; a first determining unit configured to determine whether or not the second network device itself is in communication with the management device using the WebSocket protocol after the receiving unit receives the request for utilizing the WebSocket protocol; and a transferring unit configured to transfer an instruction, which has been given from the management device by use of the connection established by the connection establishing unit, to the first network device when the first determining unit determines that the second network device itself is in communication with the management device using the WebSocket protocol.