Patent · US Expired

Cluster event notification system

US7058957B1 · kind B1 · utility

60Cited by
3References
5Claims
0Family size

Assignee

Inventor

Key dates

Filing dateJul 12, 2002
Grant dateJun 6, 2006
Priority date
Expiry dateAug 12, 2023

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG06F2209/544
  • WIPO fieldComputer technology
  • WIPO sectorElectrical engineering

Abstract

A method for notifying events to a node in a cluster includes (1) receiving a first event message and a second event message, (2) queuing the first and the second event messages, (3) sending the first event message to a first service callback, wherein the first service callback calls a first callback function to handle the first event message, (4) sending the first event message to a second service callback after (a) a the first service callback has handled the first event message and (b) a corresponding first service callback at a member node has handled the first event message, wherein the second service callback calls a second callback function to handle the first event message, and (5) sending the second event message to the first service callback after the first and the second callback functions have handled the first event message, wherein the first service callback calls the first callback function to handle the second event message. The method may further include sending a dummy message to the first callback function if the first callback function is waiting for a message from a sending node that is down. The method may also include sending a node down message to the first …

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.