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Host-terminal emulation program, a relay program, a host-terminal emulation method, a communication program, a communication method, and a client computer

  • US 20030187631A1
  • Filed: 03/19/2003
  • Published: 10/02/2003
  • Est. Priority Date: 03/29/2002
  • Status: Active Grant
First Claim
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1. A host-terminal emulation program for performing a function as a terminal of a host computer, the terminal being connectable, via a firewall which blocks passage of a first protocol, to the host computer which permits interactive operation from a remote place by means of the first protocol, wherein the host-terminal emulation program causes a computer to perform a process of:

  • establishing in advance a receiving connection with a relay device for receiving data compliant to a second protocol of which passage through the firewall is permitted, the relay device having a function of mutual data format conversion between the first and second protocols and connected to the computer through the firewall;

    establishing a transmitting connection with the relay device for transmitting data compliant to the second protocol when data is to be transmitted to the host computer in response to an input operation;

    transmitting, via the transmitting connection, data entered by the input operation to the relay device by means of the second protocol; and

    receiving, from the relay device via the receiving connection, output data from the host computer by means of the second protocol.

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