U.S. patents available from 1976 to present.
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Compensation for mismatched transport protocols in a data communications network

Patent 5224098 Issued on June 29, 1993. Estimated Expiration Date: Icon_subject July 17, 2011. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.

Patent References

Input/output network for computer system
Patent #: 4941089
Issued on: 07/10/1990
Inventor: Fischer

Specialized communications processor for layered protocols
Patent #: 4991133
Issued on: 02/05/1991
Inventor: Davis, et al.

Communication protocol for predicting communication frame type in high-speed processing system
Patent #: 5056058
Issued on: 10/08/1991
Inventor: Hirata, et al.

Communication architecture for high speed networking Patent #: 5115432
Issued on: 05/19/1992
Inventor: Haas

Inventors

Application

No. 731564 filed on 07/17/1991

US Classes:

709/233, Transfer speed regulating370/522, Signaling (ancillary to main information)709/228, Session/connection parameter setting709/230, COMPUTER-TO-COMPUTER PROTOCOL IMPLEMENTING709/246, COMPUTER-TO-COMPUTER DATA MODIFYING710/105Protocol

Examiners

Primary: Olms, Douglas W.
Assistant: Hsu, Alpus H.

Attorney, Agent or Firm

International Class

G06F 013/00

Abstract

A Transport Layer Protocol Boundary (TLPB) architecture is described which will permit an application program to run over a non-native transport protocol without first generating a protocol compensation package tailored to the transport protocols assumed by the program's application programming interface and by the available transport provider. All transport functions required by the program are converted to standardized or TLPB representations. When a connection between the first application program and a second remote application is requested, the individual required TLPB transport functions are compared to corresponding functions supported by the transport provider. Compensations are invoked only where there is a mismatch. The node on which the remote application program runs is informed of the compensations so that necessary de-compensation operations can be performed before the data is delivered to the remote application program.

Other References

  • X/Open Portability Guide, X/Open Company Limited, published by Prentice Hall, Englewood Cliffs, N.J., 1988, pages
  • "Protocol Conversion" by Paul E. Green, Jr., IEEE Transactions on Communications, vol. COM-34, No. 3, Mar. 1986, pp. 257-268
  • "TACT: A Protocol Conversion Toolkit" by Joshua Auerbach, IEEE Journal on Selected Areas in Communications, vol. 8, No. 1, Jan. 1990, pages 143-159
  • "Transition and Coexistence Strategies for TCP/IP to OSI" by Marshall T. Rose, IEEE Journal on Selected Areas in Communications, vol. 8, No. 1, Jan. 1990, pp. 57-66
  • "Conversion Between the TCP and ISO Transport Protocols as a Method of Achieving Interoperability Between Data Communications Systems" by Inge Groenbaek, IEEE Journal on Selected Areas in Communications, vol. SAC-4, No. 2, Mar. 1986, pp. 288-296
  • "Design Principles for Communication Gateways" by Gregor V. Bochmann and Pierre Mondain-Monval, IEEE Journal on Selected Areas in Communications, vol. 8, No. 1, Jan. 1990, pp. 12-21
  • "Network Interconnection and Gateways" by Carl A. Sunshine, IEEE Journal on Selected Areas in Communications, vol. 8, No. 1, Jan. 1990, pp. 4-11
  • "Protocol Standard for a NetBIOS Service on a TCP/UDP Transport: Concepts and Methods", Defense Advanced Research Projects Agency, Internet Activities Board, End-to-End Services Task Force, NetBIOS Working Group, RFC 1001, Mar. 1987
  • "ISO Transport Services on Top of the TCP: Version 3" by M. T. Rose and D. E. Cass, RFC 1006, May 1987
  • "Protocol Standard for a NetBIOS Service on A TCP/UDP Transport: Detailed Specification", RFC 1002, Mar. 1987
  • Unix Programmers Manual Reference Guide, Computer Science Division, Dept. of Electrical Engineering and Computer Science, University of California at Berkley, Apr. 198
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