Patent · US Active

Hitless software upgrades

US8448162B2 · kind B2 · utility

34Cited by
323References
13Claims
0Family size

Assignee

Inventors

Key dates

Filing dateDec 27, 2006
Grant dateMay 21, 2013
Priority date
Expiry dateJul 27, 2029

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG06F9/4401
  • WIPO fieldComputer technology
  • WIPO sectorElectrical engineering

Abstract

Disclosed is a technique for facilitating software upgrade for a switching system comprising a first management processor and a second management processor and a set of one or more line processors, the techniques comprising receiving a signal to perform a software upgrade for a line processor from the set of line processors, and performing a software upgrade for the line processor without substantially affecting packet switching performed by the switching system.

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