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TAPAS meeting Application Hosting Requirements adesso AG Werner Beckmann 08.07.2002
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TAPAS Meeting 08/07/02 Slide 2 © 2002 adesso AG Application hosting experience 1.adesso’s part in tapas 2.adesso hosting experience ASP contract contents Example: Telecommunication Company Current ASP problems 3.B2B marketplace requirements Motivation Auction scenario Trust management Requirements SLAs 4.SLA handling Agenda
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TAPAS Meeting 08/07/02 Slide 3 © 2002 adesso AG Application hosting experience adesso has done: Research of the ASP market and SLAs contents Research of B2B market places To do until the end of September: Incorporate feedback Further work on details Distribution issues Next step starting at month 18: Auction application development Case studies and evaluation adesso part in tapas
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TAPAS Meeting 08/07/02 Slide 4 © 2002 adesso AG Application hosting experience System support Service Level -Availability -Security -System performance -Tracking and reporting -Backup-recovery solution Termination conditions Penalties Problem management ASP contract contents
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TAPAS Meeting 08/07/02 Slide 5 © 2002 adesso AG Application hosting experience Group of House Building Societies Intercorporate portal offering appartment information Flat search engine (Java, XML) Content Management System FirstSpirit ASP as an Enterprise Application Integrator (XML interface) Regional Credit Institute „Car financing calculator“ (J2EE, XML, XSL) Content Management System FirstSpirit Access statistics of the web presentation Examples
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TAPAS Meeting 08/07/02 Slide 6 © 2002 adesso AG Application hosting experience Telecommunications Company Applications Extranet application binding resellers to the internet portal as a shop-in-shop system “Digital Bill” allows the wholesalers to download single connection records and bills for their customers Solution Flexible software architecture, integrating new and complex functionalities (Java, XML, XSL) Elaborate security concept Content Management System FirstSpirit Hosted in Dortmund Examples
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TAPAS Meeting 08/07/02 Slide 7 © 2002 adesso AG Application hosting experience Roles in the resellers scenario customer, sending an order via Internet to the telecommunications company reseller, -collecting the orders from customers -completing and sending orders to the telecommunications company telecommunications company, handling the orders ASP hosting the applications, database server, web server, CMS server ISP, offering an Internet access Example: Telecommunications Company
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TAPAS Meeting 08/07/02 Slide 8 © 2002 adesso AG Application hosting experience Example: Telecommunication Company
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TAPAS Meeting 08/07/02 Slide 9 © 2002 adesso AG Application hosting experience Current ASP problems
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TAPAS Meeting 08/07/02 Slide 10 © 2002 adesso AG Application hosting experience Current ASP problems Reporting and monitoring ASP performance Key service levels are to be defined Penalty function is to be refined Performance SLA definition relating QoS Tool for the specification of SLAs necessary Outsourcing and security -Authentication -Data protection -Fulfilment of SLAs clauses
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TAPAS Meeting 08/07/02 Slide 11 © 2002 adesso AG B2B marketplace requirements Motivation level 1 Presentation One-to-One Marketing Customized to user Account inquiry On-line transactions Reports & statistics Dynamic content On-line brochure Static content Complexity, Interoperability Business Value level 2 Communi- cation level 3 Transaction level 4 Integration
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TAPAS Meeting 08/07/02 Slide 12 © 2002 adesso AG B2B marketplace requirements Motivation Centralised approach inadequate for distributed hosting solutions Auction scenario -high demands on security and responsiveness -distributed execution environment -trust management: fraud problems Middleware services for inter-organisational interactions necessary
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TAPAS Meeting 08/07/02 Slide 13 © 2002 adesso AG B2B marketplace requirements Auction scenario Seller Marketplace / Auctioneer Buyer ASP ISP SSP Credit Rating Agency Retail Bank CSP TTP Legend: SLArolecontract
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TAPAS Meeting 08/07/02 Slide 14 © 2002 adesso AG B2B marketplace requirements Buyers, sellers -privacy, data security -time, information and opportunity fairness -safe transactions with multiple partners Auctioneer -detailed reporting on user and service provider behaviour -easy modifications of application and service provider configuration -reporting on SLA fulfilment Auction scenario
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TAPAS Meeting 08/07/02 Slide 15 © 2002 adesso AG B2B marketplace requirements ASP -QoS assurance -High-availability, timeliness -Monitoring SLA fulfilment for service providers and clients -Detection of service changes without permission -Easy migration of applications for: Server changes (different machine, clustering) Database changes Distribution -Scalability -Low costs Auction scenario
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TAPAS Meeting 08/07/02 Slide 16 © 2002 adesso AG B2B marketplace requirements Service providers -Assurance of privacy for vendors -Assurance of the provision of the specified service -Accounting CSP -Authentication TTP -Assurance of the authenticity of the reports -Fraud detection Auction scenario
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TAPAS Meeting 08/07/02 Slide 17 © 2002 adesso AG B2B marketplace requirements Auctions involve multiple parties: auctioneer, buyers, sellers These parties have conflicting interests Auctions involve private information: bids, fraud patterns Auctions involve computation on this information -execution of the auction -decisions on bids -recognition and suppression of fraud Trust management
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TAPAS Meeting 08/07/02 Slide 18 © 2002 adesso AG B2B marketplace requirements Trusted Third Party (TTP) Authentication email address postal address telephone number (e.g. VeriSign) electronic signature (Quality Certificate acc. to EU standard) Accepted TTP clearinghouse certified company Trust management
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TAPAS Meeting 08/07/02 Slide 19 © 2002 adesso AG B2B marketplace requirements Trust management
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TAPAS Meeting 08/07/02 Slide 20 © 2002 adesso AG B2B marketplace requirements Authentication, privacy and anonymity of participants Secrecy of bids and strategies Controllable revelation of information about the auction including the final result The autonomy of the payment for goods traded Authentication by participants and stakeholders that any given auction actually followed the above rules Auction requirements
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TAPAS Meeting 08/07/02 Slide 21 © 2002 adesso AG B2B marketplace requirements Reliability oriented requirements high availability failure recovery fault tolerance Performance oriented requirements timeliness of execution relative processing speed Security oriented requirements: authentication privacy Auction requirements
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TAPAS Meeting 08/07/02 Slide 22 © 2002 adesso AG B2B marketplace requirements SLAs ASP SLA A Service Level Agreement (SLA) is a legal contract that specifies the contractual deliverables, terms and conditions between service providers and service customers.
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TAPAS Meeting 08/07/02 Slide 23 © 2002 adesso AG B2B marketplace requirements SLAs Customer Net Infra- structure Net Infra- structure Access Billing Services Billing Services Hosting Application Service Customer Manage- ment Customer Manage- ment Marketing NSP / ISPISService ASP single SLA...end-to-end SLA through ASP contract
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TAPAS Meeting 08/07/02 Slide 24 © 2002 adesso AG B2B marketplace requirements Percentage of transactions completed within defined Performance Levels, % Availability of applications on the network (Access), % Availability for varying time regimes, % Window of performance, timeframe Application response time during peak periods, ms Peak periods details, timeframe Network round trip time (Delay), ms Message delay constraints for offers and bids, ms External memory access time, ms SLAs Examples for QoS
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TAPAS Meeting 08/07/02 Slide 25 © 2002 adesso AG SLA handling Specification and design of SLAs Deployment of middleware components Monitoring for periodic inspection and reporting to customer -Application messaging mechanism on SLA fulfilment -Transparent availability and traffic monitoring for an ASP graphical representation implemented as a Web Service What about standards? OSS/J? Visual Tool for ASP
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TAPAS Meeting 08/07/02 Slide 26 © 2002 adesso AG ASP Hosting Requirements Thanks for your attention! Discussion End
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TAPAS Meeting 08/07/02 Slide 27 © 2002 adesso AG SLA handling DigitalFuel ServiceFlow Platform -web-based tool that in principal offers to monitor SLA fulfilment based on web server log files -each Service Level Objective can be parameterized to reflect realistic service levels and accommodate conditions ILOG JRules -Rule Engine that can be integrated into J2EE environments -could be used for SLA specification -ILOG developed a SLA/QoS module within a OSS/J project Examples for Visual Tools
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TAPAS Meeting 08/07/02 Slide 28 © 2002 adesso AG ASP Hosting Requirements IP VALUE GmbH Development and distribution of solutions for ip-based value-added services OSS Service Activation API I Sun‘s OSS Service Activation API Implementation http://www.ip-value.de/www/en/index.html http://www.e-spirit.de/ The e-Spirit Company GmbH Consulting, design and development of Content Management Systems References
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