Stand-by loading scheme: an effective software retrofit method for a switching system

Author

Jun, S.I. ; Chang, H.K. ; Choi, W. ; Kim, Y.M.

Author_Institution

Electron. & Telecommun. Res. Inst., Daejeon, South Korea

fYear

1998

fDate

30 Jun-2 Jul 1998

Firstpage

343

Lastpage

347

Abstract

A software retrofit method, stand-by loading scheme, is proposed for a switching system in which the service downtime should be suppressed under several minutes per year. In general, software upgrade is performed in the system suspension state. However, in a switching system, it should be exercised without breaking the service continuity and minimize the possible side effects against on-going services. Stand-by loading scheme satisfies such a requirement in addition to the high efficiency in the maintenance and repair, and easy upgrade of additional functions of a switching system, and thus makes the system to evolve easily. Currently, a switching system adopting this method was constructed and has been used successfully in the field

Keywords

electronic switching systems; maintenance engineering; software maintenance; software packages; high efficiency; maintenance; repair; service continuity; service downtime; software package; software retrofit method; software upgrade; stand-by loading scheme; switching system; system suspension state; Application software; Asynchronous transfer mode; Delay; Electronic switching systems; Fault tolerant systems; Multimedia systems; Research and development; Switching systems; System recovery; Telecommunication switching;

fLanguage

English

Publisher

ieee

Conference_Titel

Computers and Communications, 1998. ISCC '98. Proceedings. Third IEEE Symposium on

Conference_Location

Athens

Print_ISBN

0-8186-8538-7

Type

conf

DOI

10.1109/ISCC.1998.702544

Filename

702544