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EP0479478B1 Expired / Lapsed EP ⏱️ 0.0 years remaining

Communications network arranged to transport connection oriented and connectionless messages

Assignee: AT&T Inc
•
Filing: 1991-09-25
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Granted: 2001-05-09
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Expires: 2011-09-25
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Abstract

No abstract record available.

Inventors

  • 👤 Bruce E. Caram
  • 👤 Ronald C. Roposh
  • 👤 Harvey Rubin

Bibliographic Details

Application Number —
Jurisdiction EP
Data Source google_patents
Last Synchronized 2026-10-23 10:23
CPC Classifications
H; H04; H04L; H04L69/00

Claims Analysis

Total Claims: 4
Claim 1
Independent Claim 166 words
A system (100) for providing data communications among a plurality of data communications modules (110), CHARACTERIZED BY means (115, 120, 125), responsive to receipt of individual requests from respective ones of said modules, for establishing respective connection-oriented paths prior to actual use of such paths, said modules being assigned respective primary addresses and individual ones of said modules also being assigned a common, secondary address, means, responsive to one of said modules having transmitted a data packet containing the primary address assigned to the one module, for activating the respective one of the connection-oriented paths to transport the data packet to its destination, and means (120, 125), responsive to another one of said modules having transmitted a data packet containing said secondary address, for activating a predefined connectionless path not associated with a prior request for a connection so that the data packet containing the secondary address may be transported to said individual ones of said modules, wherein each of said paths is a virtual connection.
Claim 2
Dependent Claim 15 words
A system as claimed in claim 1 wherein said system is a virtual packet switch.
Claim 3
Dependent Claim 19 words
A system as claimed in claim 1 wherein the connectionless path is partially defined by the common, secondary address.
Claim 4
Dependent Claim 28 words
A system as claimed in claim 1 wherein the data packet containing the common, secondary address also includes the address of the intended recipient of the data packet.

References Cited (Backward Citations)

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