A new synchronization algorithm for hitless protection switching in ATM networks

Author

Iselt, Andreas

Author_Institution

Munich Univ. of Technol., Germany

fYear

1999

fDate

10-12 Feb 1999

Firstpage

370

Lastpage

376

Abstract

Redundant transmission on disjoint paths is a common precaution against the effects of failures in communication networks. To allow hitless switching from one path to the other, synchronization algorithms are required. Most of the current algorithms are based on supplementary synchronization information (e.g. synchronization cells). A novel algorithm for the synchronization and selection of redundant data streams is proposed, which allows hitless switching without supplementary information. The algorithm achieves synchronization based on the correlation of the user information. Further, it provides a fast synchronization detection time and is tolerant against loss and errors of single cells in one data path. Analytical analysis as well as simulation show the correctness and efficiency of the novel algorithm

Keywords

asynchronous transfer mode; packet switching; redundancy; synchronisation; telecommunication computing; ATM networks; analytical analysis; communication networks; disjoint paths; fast synchronization detection time; hitless protection switching; redundant data streams; redundant transmission; supplementary synchronization information; synchronization algorithm; synchronization cells; user information correlation; Algorithm design and analysis; Analytical models; Asynchronous transfer mode; Communication networks; Communication switching; Electronic mail; Intelligent networks; Protection switching; Redundancy; Switches;

fLanguage

English

Publisher

ieee

Conference_Titel

Performance, Computing and Communications Conference, 1999 IEEE International

Conference_Location

Scottsdale, AZ

ISSN

1097-2641

Print_ISBN

0-7803-5258-0

Type

conf

DOI

10.1109/PCCC.1999.749461

Filename

749461