One-way router

Details One-way router One-way router

2009-05-18

2011-11-29

Sefcheck, Gregory (Department: 2477)

Multiplex communications

Pathfinding or routing

Switching a message which includes an address header

C709S225000, C709S238000

Reexamination Certificate

active

08068504

ABSTRACT:
A one-way router combines benefits of a network diode and router, and thus can route data between networks of varying confidentiality and/or integrity in a secure, one-way fashion. Secure routing is provided transparently so that the router is compatible with standard network applications by synthesizing responses for standard network protocols to provide many-to-many network connections while preventing bidirectional data flow. Separate network stacks are provided for each connected network, and the network stacks are separated from each other by data diodes that enforce one-way data flow. The one-way router can be implemented in hardware or software, and provides architectural flexibility to customize levels of assurance, performance, reliability, and cost.

REFERENCES:
patent: 6108787 (2000-08-01), Anderson et al.
patent: 6718385 (2004-04-01), Baker et al.
patent: 2008/0301799 (2008-12-01), Arnold et al.
patent: 2009/0055934 (2009-02-01), Jauer
patent: 2010/0257353 (2010-10-01), Cheng

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