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Hong-Linh Truong 1  , G.R. Gangadharan 2 ,, Martin Treiber 1 , Schahram Dustdar 1 , Vincenzo D‘Andrea 3   [email_address] 1 Vienna University of Technology, Austria 2 Telematica Institute, The Netherlands 3 University of Trento, Italy  On Reconciliation of Contractual Concerns of Web Services NFPSLA-SOC’08 workshop, ECOWS 08, 12 Nov 2008, Dublin
Talk outline ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],NFPSLA-SOC’08 workshop, ECOWS 08, 12 Nov 2008, Dublin
Service Contracts – The Context  ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],NFPSLA-SOC’08 workshop, ECOWS 08, 12 Nov 2008, Dublin
Service Contract ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],NFPSLA-SOC’08 workshop, ECOWS 08, 12 Nov 2008, Dublin
Service Contract: basic phases ,[object Object],NFPSLA-SOC’08 workshop, ECOWS 08, 12 Nov 2008, Dublin Identify and specify contractual terms Negotiate and establish contract Monitor and enforce contract ,[object Object],[object Object],[object Object]
Existing works in Service Contracts ,[object Object],[object Object],NFPSLA-SOC’08 workshop, ECOWS 08, 12 Nov 2008, Dublin
What is the problem actually? ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],NFPSLA-SOC’08 workshop, ECOWS 08, 12 Nov 2008, Dublin
NFPSLA-SOC’08 workshop, ECOWS 08, 12 Nov 2008, Dublin ,[object Object],[object Object],[object Object],[object Object],[object Object],A motivating scenario  Process flow Contractual negotiation Contractual negotiation
[object Object],Issue 1: Contract Specification in WS NFPSLA-SOC’08 workshop, ECOWS 08, 12 Nov 2008, Dublin ODRL-S WSLA <sl:responsetime> <o-dd:range> <o-dd:max> 3 </o-dd:max> </o-dd:range> </sl:responsetime> <Predicate xsi:type=&quot;Less&quot;> <SLAParameter>ResponseTime </SLAParameter> <Value>3</Value> </Predicate> <o-dd:peruse> <o-dd:payment> <o-dd:amount o-dd:currency=``EUR''> 2.00 </o-dd:amount> </o-dd:payment> </o-dd:peruse> <wsol:price name=&quot;Cost&quot; &quot;> <wsol:numberWithUnitConstant> <wsol:value>2.00</wsol:value> <wsol:unit type=&quot;Currency:EUR&quot;/> </wsol:numberWithUnitConstant> </wsol:price> ODRL-S WSOL
Issue 1: Contract Specifications in WS ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],NFPSLA-SOC’08 workshop, ECOWS 08, 12 Nov 2008, Dublin
Issue 2: Contract Negotiation and Establishment ,[object Object],[object Object],[object Object],[object Object],[object Object],NFPSLA-SOC’08 workshop, ECOWS 08, 12 Nov 2008, Dublin
[object Object],[object Object],[object Object],[object Object],[object Object],NFPSLA-SOC’08 workshop, ECOWS 08, 12 Nov 2008, Dublin Issue 3: Contract Monitoring and Enforcement
Reconcilation and Investigation ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],NFPSLA-SOC’08 workshop, ECOWS 08, 12 Nov 2008, Dublin
Reconcilation and Investigation (cont.) ,[object Object],[object Object],[object Object],[object Object],NFPSLA-SOC’08 workshop, ECOWS 08, 12 Nov 2008, Dublin
Reconcilation and Investigation (cont.) ,[object Object],[object Object],[object Object],[object Object],NFPSLA-SOC’08 workshop, ECOWS 08, 12 Nov 2008, Dublin
Reconcilation and Investigation (cont.) ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],NFPSLA-SOC’08 workshop, ECOWS 08, 12 Nov 2008, Dublin
Reconcilation and  Investigation (cont.) ,[object Object],[object Object],[object Object],[object Object],[object Object],NFPSLA-SOC’08 workshop, ECOWS 08, 12 Nov 2008, Dublin
[object Object],NFPSLA-SOC’08 workshop, ECOWS 08, 12 Nov 2008, Dublin Some our early results: Contract Management <feed xmlns=&quot;http://www.w3.org/2005/Atom&quot;> <id>urn:uuid:7d9ff727-ee11-4c89-a4fc-728198b1613b</id> <entry> <title>Interface</title> ... <link href=&quot;http://.../Interface&quot; rel=&quot;alternate&quot; type=&quot;application/wsdl+xml&quot;/> </entry> <entry> <title>Licence</title> ... <link href=&quot;http://.../Contract1&quot; rel=&quot;alternate&quot; type=&quot;application/atom+xml&quot;/> </entry> </feed> ,[object Object],[object Object]
[object Object],[object Object],[object Object],NFPSLA-SOC’08 workshop, ECOWS 08, 12 Nov 2008, Dublin Some our early results: Consumer-specified contract request
Summary and next challenges ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],NFPSLA-SOC’08 workshop, ECOWS 08, 12 Nov 2008, Dublin
Thanks for your attention! Feedback, suggestion, research collaboration are more than welcome! Hong-Linh Truong Distributed Systems Group Vienna University of Technology [email_address] https://www.vitalab.tuwien.ac.at/autocompwiki   NFPSLA-SOC’08 workshop, ECOWS 08, 12 Nov 2008, Dublin

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On Reconciliation of Contractual Concerns of Web Services

  • 1. Hong-Linh Truong 1 , G.R. Gangadharan 2 ,, Martin Treiber 1 , Schahram Dustdar 1 , Vincenzo D‘Andrea 3 [email_address] 1 Vienna University of Technology, Austria 2 Telematica Institute, The Netherlands 3 University of Trento, Italy On Reconciliation of Contractual Concerns of Web Services NFPSLA-SOC’08 workshop, ECOWS 08, 12 Nov 2008, Dublin
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  • 21. Thanks for your attention! Feedback, suggestion, research collaboration are more than welcome! Hong-Linh Truong Distributed Systems Group Vienna University of Technology [email_address] https://www.vitalab.tuwien.ac.at/autocompwiki NFPSLA-SOC’08 workshop, ECOWS 08, 12 Nov 2008, Dublin

Editor's Notes

  1. For example, WS-Policy is strong for security ODRL-S is good for licensing