DISTRIBUTED MESSAGING SYSTEM WITH CONFIGURABLE ASSURANCES Russian patent published in 2013 - IPC G06Q50/00 

FIELD: information technology.

SUBSTANCE: defined set of message log and cursor components are configurably activated and deactivated to compose a plurality of different capture assurances, transfer assurances, and delivery assurances in a distributed messaging system. A combination of a capture assurance, a transfer assurance, and a delivery assurance can provide an end-to-end transfer assurance for a messaging system. End-to-end transfer assurances can include one of best effort, at-most-once transfer, at-least-once transfer, and exactly once transfer and can include one of: reliable or unreliable transfer. Using a defined set of activated and deactivated message log and cursor components facilities more efficient transitions between desired assurances. In some versions, a combination of a capture assurance, a transfer assurance, and a delivery assurance provides reliable exactly-once message delivery.

EFFECT: high reliability of delivering messages.

20 cl, 4 dwg