Interactive conflict detection and resolution for personalized features

Amyot, Daniel; Gray, Tom; Liscano, Ramiro; Logrippo, Luigi; Sincennes, Jacques

doi:10.1109/jcn.2005.6389819

Cited by 7 publications

(10 citation statements)

References 13 publications

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“…Xu et al proposed to translate CPL into a formal language to check feature interactions [12]. Amyot et al developed a tool called FIAT for filtering inconsistencies among features, then implemented a translator to convert CPL to the FIAT input language [13]. FIAT has a user-friendly web-based user interface for handling conflicts detected among CPL scripts.…”

Section: Related Workmentioning

confidence: 99%

“…Users can also manually change the order of services by clicking the Move up or Move down button. This is similar to the method defined in FIAT [13], but we do not explicitly ask users to set priority among or disable features. If all the branches of a feature are redundant or shadowed [13] by features having higher priority, the feature will be automatically disabled.…”

Section: Feature Interactions Caused By Multiple Triggersmentioning

confidence: 99%

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Handling feature interactions in the language for end system services

Schulzrinne

2007

Computer Networks

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One big difference between Internet telephony and the public switched telephony network (PSTN) is that the PSTN usually assumes dumb endpoints, while Internet telephony has intelligent endpoints that can perform services. Performing services on endpoints may introduce many new communication services, make telecommunication services more distributed, and make the entire telecommunication network more robust and efficient. At the same time, it may also make telecommunication services more difficult to manage and require new techniques to create and compose services. In this paper, we first introduce the new scripting language, called the Language for End System Services (LESS), which we define specifically for end system service creation. LESS is extended from the Call Processing Language (CPL) and uses a tree-like structure to represent telecommunication services. Based on this tree structure, we propose a method based on LESS action conflict tables and a tree merging algorithm to detect potential feature interactions and help to resolve any conflicts detected. We integrated the method for handling feature interactions into our LESS-based end system service creation environment, which is part of our Session Initiation Protocol-(SIP) based user agent, SIPc. SIPc can execute LESS scripts for end system services and contains a service manager that can handle feature interactions.

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Section: Related Workmentioning

confidence: 99%

Section: Feature Interactions Caused By Multiple Triggersmentioning

confidence: 99%

Handling feature interactions in the language for end system services

Schulzrinne

2007

Computer Networks

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“…As shown in the secretary example above, users should be given the means to relate the expected operation of their policies to situations which they currently understand. Static detection tools to help users in this direction are being developed [3] [25]. To accomplish this, policy systems for both professional and naïve feature designers must be informed by knowledge of the human world.…”

Section: Formalisms For Naïve Usersmentioning

confidence: 99%

Policy-enabled mechanisms for feature interactions: reality, expectations, challenges

Dini

Clemm

Gray³

et al. 2004

Computer Networks

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This paper is based on the discussion during a panel that took place at the 7 th Workshop on Feature Interactions in Telecommunications and Software Systems in Ottawa, Canada, June 2003. It presents a holistic picture on two paradigms, namely feature and policy, and their intertwining. The guest panelists brought examples from complementary areas and presented their experiences on using the concept of policy for defining features and for treating the feature interaction problem. The intrinsic interactions commonly called policy conflicts within policy-based systems were also discussed. The panelists considered methodological issues, such as the use of deontic logic and the representation of features through policies, as well as industrial applications, such as service provisioning and policy-based management applications for service bundling. They also brought out different views that reflect some disparity between the communities involved in this research.

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“…One of the characteristics of Internet telephony will be the capability for users to program their own features. Obviously, users will need interactive help to catch common pitfalls in this process, and our method promises such help [9].…”

mentioning

confidence: 99%

“…However, the method doesn't depend on any specific telephony model and has been used by the authors in order to detect feature interaction in Internetbased telephony systems [9].…”

mentioning

confidence: 99%

Detecting feature interaction in CPL

2005

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This article addresses the problem of detecting feature interactions in the area of telephony systems design. The proposed approach consists of two phases: filtering and testing. The filtering phase detects possible interactions by identifying incoherencies in a logic specification of the main elements of the features, consisting of preconditions, triggers, results and constraints. If incoherencies are identified, then an interaction is suspected, test cases corresponding to the suspected interaction are generated and testing is applied to see if the interaction actually exists. Two case studies, carried out on established benchmarks, show that this approach gives good results in practice.

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Interactive conflict detection and resolution for personalized features

Cited by 7 publications

References 13 publications

Handling feature interactions in the language for end system services

Handling feature interactions in the language for end system services

Policy-enabled mechanisms for feature interactions: reality, expectations, challenges

Detecting feature interaction in CPL

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