Host-terminal emulation program, a relay program, a...

Details Host-terminal emulation program, a relay program, a... Host-terminal emulation program, a relay program, a...

2007-05-01

2007-05-01

Phan, Thai (Department: 2128)

Data processing: structural design, modeling, simulation, and em

Emulation

Of peripheral device

C703S014000, C709S219000, C709S227000

Reexamination Certificate

active

10391700

ABSTRACT:
A host-terminal emulation program which permits secure host linkage communication between a host within a protected network and a client outside the network. The client establishes in advance a receiving connection with a relay device, for receiving data compliant to a second protocol (Step S1). Subsequently, the client establishes a transmitting connection with the relay device, for transmitting data compliant to the second protocol (Step S2), and transmits data to the relay device via the transmitting connection (Step S3). The relay device converts the data to a first protocol (Step S4), and transmits the converted data to the host (Step S5). On completion of data processing by the host (Step S6), the processing result is transmitted to the relay device by means of the first protocol (Step S7). The processing result is converted to the second protocol in the relay device (Step S8) and transferred to the client (Step S9).

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