NDLI: Feature interactions of livelock type in IN: a detailed example

Content Provider	IEEE Xplore Digital Library
Author	Yiqin Lu To-Yat Cheung
Copyright Year	1998
Description	Author affiliation: Dept. of Electron. Eng., South China Univ. of Technol., Guangzhou, China (Yiqin Lu)
Abstract	Feature interactions (FI) occur when two (or more) features-which work properly when individually activated-interfere with one another and cause undesirable abnormality of the system. Consider two features: ring again (RA) and terminating call screening (TCS). RA allows the caller to call again when encountering a busy signal. TCS allows a phone to prohibit certain calls from coming in. Suppose a phone a is in the screening list of another telephone b. When a calls b, it will be screened out. If a activates RA, a will call b again and again but will be screened out every time. This situation is actually a livelock. This paper proposes the use of temporal colored Petri nets (TCP-nets) for specifying system structures and temporal formulas for specifying the functionality of features. FI can be detected by inspecting whether or not the temporal formula is violated when executing some of the firing sequences which realize T-invariants of the colored Petri net.
Starting Page	175
Ending Page	184
File Size	435658
Page Count	10
File Format	PDF
ISBN	0780349059
DOI	10.1109/INW.1998.713269
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	1998-05-13
Publisher Place	France
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Petri nets Computer science Councils Telephony
Content Type	Text
Resource Type	Article

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