Evaluating downtime and maintenance time in communication networks

Author

Matsukawa, Tatsuya ; Funakoshi, Hiroyuki ; Koshiji, Kohjun

Author_Institution

Nippon Telegraph & Telephone Corp. (NTT), Musashino, Japan

fYear

2011

fDate

24-27 Jan. 2011

Firstpage

1

Lastpage

6

Abstract

In this paper, a method for evaluating maintainability in communication networks is described. In communication networks, as different types of failures occur and a variety of maintenance actions are performed, the characteristics of service downtime are widely distributed. Therefore, service downtime has to be evaluated by categorizing failures and analyzing outage data. A procedure for handling the related data is described. In addition, examples of evaluating service downtime by using the outage data and maintenance data collected from an actual communication network are presented. Moreover, the relationship between service downtime and maintenance-related times is verified. The methods facilitate the operation and management of carrier-grade communication networks provided to millions of end users. Our proposed procedure can be flexibly applied to various types of network equipment.

Keywords

data analysis; failure analysis; maintenance engineering; telecommunication network management; telecommunication network reliability; carrier-grade communication network managements; maintenance time; network equipment; outage data analysis; service downtime evaluation; Communication networks; Delay; IP networks; Maintenance engineering; Mathematical model; Telecommunication network reliability; communication network; downtime; maintenance data; maintenance time; outage data; reliability management;

fLanguage

English

Publisher

ieee

Conference_Titel

Reliability and Maintainability Symposium (RAMS), 2011 Proceedings - Annual

Conference_Location

Lake Buena Vista, FL

ISSN

0149-144X

Print_ISBN

978-1-4244-8857-5

Type

conf

DOI

10.1109/RAMS.2011.5754491

Filename

5754491