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EP1528710B1 Expired / Lapsed EP ⏱️ 0.0 years remaining

A publish-subscribe system

Assignee: SAP SE
•
Filing: 2004-10-27
•
Granted: 2006-06-21
•
Expires: 2024-10-27
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Abstract

Abstract A publish-subscribe system includes a producer configured to publish a message and to subscribe to an acknowledgement that the message was received. The system also includes a consumer configured to subscribe to the message and to publish the acknowledgement. The system further includes a network configured to register a message subscription and an acknowledgement subscription, to process the message subscription and the acknowledgement subscription, to forward the message to the consumer based on the message subscription and to forward the acknowledgement to the producer based on the acknowledgement subscription.

Inventors

  • 👤 Rainer Ruggaber
  • 👤 Elmar Dorner
  • 👤 Alexander Schmid
  • 👤 Kim Elms

Bibliographic Details

Application Number —
Jurisdiction EP
Data Source google_patents
Last Synchronized 2026-10-28 22:48
CPC Classifications
H; H04; H04L; H04L12/00; H04L12/02; H04L12/16; H04L12/18; H04L12/1859; H04L12/1863

Claims Analysis

Total Claims: 5
Claim 1
Independent Claim 136 words
A publish subscribe system (100) comprising: a producer (110a) configured to publish a message and to subscribe to an acknowledgment indicating that the message was received; a consumer (110b) configured to subscribe to the message and to publish the acknowledgment; and a network (120) , characterized in that said network (120) is configured to register a message subscription and an acknowledgment subscription, to process the message subscription and the acknowledgment subscription, to forward the message to the consumer (110b) based on the message subscription and to forward the acknowledgment to the producer (110a) based on the acknowledgment subscription, in that the producer (110a) and the consumer (110b) each comprise a reliability mechanism (215, 225) adapted for adding additional fields and in that the acknowledgment is published for each message before the truncation of the additional fields.
Claim 2
Dependent Claim 30 words
The system (100) of claim 1 wherein the producer (100a) includes a timer and the producer (110a) republishes the message if a period of time expires before receiving the acknowledgement.
Claim 3
Dependent Claim 27 words
The system (120) of claim 1 wherein the consumer (110b) includes a reliability mechanism (225) to publish the acknowledgement, the reliability mechanism (225) preferably removing duplicate messages.
Claim 4
Dependent Claim 23 words
The system (100) of claim 1 wherein the network includes a content-based messaging (CBM) router (125) to route the message and the acknowledgement.
Claim 5
Dependent Claim 40 words
The system (100) of claim 1, further comprising a reliability mechanism that uses a generic addressing scheme in identifying client devices (110a, 110b), the generic addressing scheme preferably providing a unique identity to the consumer (110b) and the producer (110a).

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