Method and computer system for establishing an interactive consistency property
US10880043B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Apr 16, 2018 |
| Grant date | Dec 29, 2020 |
| Priority date | — |
| Expiry date | Aug 7, 2038 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04J3/0667
- WIPO fieldDigital communication
- WIPO sectorElectrical engineering
Abstract
Methods and computer systems for establishing an interactive consistency property between receivers of messages. Messages are transmitted to receivers by a sender over a communication network including disjoint communication paths for connecting receivers and sender. Switches include local clocks. Local clocks of non-faulty switches are synchronized to each other with a maximum error (precision), and receivers detect switch failures. Redundant copies of a message are forwarded by sender to each receiver across different disjoint communication paths. A switch of each disjoint path is configured such that redundant copies are forwarded to each receiver with a temporal distance between disjoint paths. That distance is selected such that all non-faulty receivers receive redundant copies in the same receive order, when the switches and communication links of the disjoint paths exhibit no failure. Each receiver concludes from the receive order whether and which redundant copy to accept to satisfy the interactive consistency property.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.