NDLI: Ponder2: A Policy System for Autonomous Pervasive Environments

Content Provider	IEEE Xplore Digital Library
Author	Twidle, K. Dulay, N. Lupu, E. Sloman, M.
Copyright Year	2009
Abstract	Policies form an important part of management and can be an effective means of implementing self-adaptation in pervasive systems. Most policy-based systems focus on large-scale networks and distributed systems. Consequently, they are often fragmented, dependent on infrastructure and lacking ¿exibility and extensibility. This paper presents Pon- der2, a novel policy system that is suitable for a wide range of environments and applications. The design and implementation of Ponder2 emphasises simplicity, ¿exibil- ity and extensibility and provides users with the ability to interact easily with the managed system. Ponder2 can interact with other software and hardware components and is being used in environments ranging from single devices, to personal area networks, ad-hoc networks and distributed systems. We also describe PonderTalk, a high-level object orientated language inspired by Smalltalk for con¿guring and controlling Ponder2 systems.large scale systems. It advocates a similar de-centralised model of autonomous agents co-operating with each other and composing into more complex con¿gurations. However, many existing policy-based frameworks have not been conceived for such environments. Their design is dependent on centralised infrastructure support such as LDAP directories and CIM repositories. Their deploy- ment model is often based on centralised provisioning and decision-making that does not offer the means for policy execution components to interact with each other, collabo- rate or federate into larger structure. Policy speci¿cation is seen as an off-line activity, and policy frameworks do not easily interact with the managed system. Consequently such frameworks are dif¿cult to install, run and experiment with. Additionally, they usually do not scale to smaller devices omnipresent in pervasive systems.
Starting Page	330
Ending Page	335
File Size	278701
Page Count	6
File Format	PDF
ISBN	9781424436842
DOI	10.1109/ICAS.2009.42
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2009-04-20
Publisher Place	Spain
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Computer integrated manufacturing Decision making SMC Control systems Ponder2 Ad hoc networks Personal area networks Application software Self Managed Cell authorization Collaboration obligation PonderTalk Hardware Autonomous agents Large-scale systems event policy
Content Type	Text
Resource Type	Article

Sl.	Authority	Responsibilities	Communication Details
1	Ministry of Education (GoI), Department of Higher Education	Sanctioning Authority	https://www.education.gov.in/ict-initiatives
2	Indian Institute of Technology Kharagpur	Host Institute of the Project: The host institute of the project is responsible for providing infrastructure support and hosting the project	https://www.iitkgp.ac.in
3	National Digital Library of India Office, Indian Institute of Technology Kharagpur	The administrative and infrastructural headquarters of the project	Dr. B. Sutradhar bsutra@ndl.gov.in
4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
5	Website/Portal (Helpdesk)	Queries regarding NDLI and its services	support@ndl.gov.in
6	Contents and Copyright Issues	Queries related to content curation and copyright issues	content@ndl.gov.in
7	National Digital Library of India Club (NDLI Club)	Queries related to NDLI Club formation, support, user awareness program, seminar/symposium, collaboration, social media, promotion, and outreach	clubsupport@ndl.gov.in
8	Digital Preservation Centre (DPC)	Assistance with digitizing and archiving copyright-free printed books	dpc@ndl.gov.in
9	IDR Setup or Support	Queries related to establishment and support of Institutional Digital Repository (IDR) and IDR workshops	idr@ndl.gov.in

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