Secure terminal and method of communicating messages among proce

Details Secure terminal and method of communicating messages among proce Secure terminal and method of communicating messages among proce

1998-05-01

2000-08-29

Vu, Viet D.

Electrical computers and digital processing systems: multicomput

Computer conferencing

Demand based messaging

709211, 709213, 710 57, G06F 1300

Patent

active

061122297

ABSTRACT:
A secure terminal includes a host (105) and slaves (125) which send and receive messages via a peripheral component interconnect (PCI) bus (130). The host allows slaves to receive messages from the host and send messages to the host. The host prevents slave-to-slave communication of messages. The host and each slave include interface logic (120) coupled to the PCI bus and a memory (200) for coupling a processor (110) to the interface logic (120). Each dual-port RAM (200) includes a first memory portion for receiving messages from a sender and a second memory portion for storing messages to be transmitted to a receiver.

REFERENCES:
patent: 4933967 (1990-06-01), Lo et al.
patent: 5121479 (1992-06-01), O'Brien
patent: 5247616 (1993-09-01), Berggren et al.
patent: 5327558 (1994-07-01), Burke et al.
patent: 5754854 (1998-05-01), Kanamori et al.
patent: 5930471 (1999-07-01), Milewski et al.

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