Web 2.0 Design Patterns, Models and Analysis

Speaker bio - Duane Nickull Current Chair - OASIS SOA Reference Model Technical Committee (OASIS Standard as of 2006) Community Member (Planning Committee) - Ontolog Forum Contributor - OASIS SOA Reference Architecture Technical Committee Contributor - OASIS Service Component Architecture Technical Committee Past: Contributor/architect - W3C Web Services Architecture Chief Architect/Chair - United Nations CEFACT Technical Architecture (SOA) Chair - OASIS eBusiness SOA Technical Committee Chief Architect - ebXML Technical Architecture (first major SOA) Co-inventor - GoXML Contextual XML Search (51 unique patent points) Co-Inventor - XML Commerce Pro (1997) first fully XML commerce engine Author (books, white papers, technical articles) Speaker (Conferences, Universities …) My Band http://www.myspace.com/22ndcentury 2 2007 Adobe Systems Incorporated. All Rights Reserved.

So what is Web 2.0? Something that people are struggling to understand No common architecture Multiple definitions Contentious So how can we capture the knowledge? 4 2007 Adobe Systems Incorporated. All Rights Reserved.

Definition: What Does Tim O’Reilly Say? Web 1.0 Web 2.0 DoubleClick Google AdSense Ofoto Flickr Akamai BitTorrent mp3.com Napster Britannica online Wikipedia personal websites Blogging evite upcoming.org and EVDB domain name speculation search engine optimization page views cost per click screen scraping web services publishing participation content management systems wikis directories (taxonomy) tagging (“folksonomy”) stickiness syndication 8 2007 Adobe Systems Incorporated. All Rights Reserved.

Methodology Used to Capture Web 2.0 Knowledge * based on Abstract Design Patterns Models Guide Reference Architectures Refine Domain specific Account for Specialized requirements Architectures Concrete Enable Solution Patterns 9 2007 Adobe Systems Incorporated. All Rights Reserved.

Patterns Repeatable solution to a commonly occurring problem. Patterns can be repurposed across multiple domains and used to solve recurring problems there within. Example: Collaborative Tagging (aka Folksonomy). Can be used for audio files, video files, text files, binaries, people… 11 2007 Adobe Systems Incorporated. All Rights Reserved.

Common Web 2.0 Patterns Collaborative Tagging (folksonomy) Participation/Collaboration Synchronized Web (harnessing collective intelligence) SOA Adaptive Software SaaS, DaaS (variations of SOA) Microformats (a.k.a. fine grained content accessibility) Persistent Rights Management Declarative Living / Tag Gardening Mashup Incremental Update (a.k.a. “Atomic Rich User Experience (a.k.a. RIA, Particle Update”) knowing something about your users) … (more) 12 2007 Adobe Systems Incorporated. All Rights Reserved.

Models Definition: Abstract lexicon capturing a generalized set of concepts and noting their purposes and relationships to each other. Primary Audience: Entrepreneurs, Software or Enterprise Architects Why: Models guide all domains, whether explicit or implicit. They facilitate a common, shared understanding or conceptualization of a domain. Famous Models: OSI 7 layer stack, OASIS Reference Model for SOA. 14 2007 Adobe Systems Incorporated. All Rights Reserved.

Abstract Model for Web 2.0 Abstract Model for connecting and integrating capabilities and users Users Client Applications/Runtimes Patterns Connectivity/Reachability of interaction SOA Services Capabilities “Don't treat software as an artifact, but as a process of engagement with your users. “ - Tim O’Reilly 16 2007 Adobe Systems Incorporated. All Rights Reserved.

Reference Architecture A technology component view of a generalized architecture. NB!: Abstract of all technologies (HTTP, TCP/IP java etc) and abstract of all applications or vendor products. Agnostic to patterns of usage. Primary Audience: Software or enterprise Architects, developers Why: There is a great value in being able to communicate ideas and functionality abstract of specific technologies protocols or products. These become artifacts that can be applied by architects in multiple domains. 18 2007 Adobe Systems Incorporated. All Rights Reserved.

Web 2.0 Reference Architecture Controller Client Data/State Security Virtual Rendering Application Management Container/Model Machine & Media Tier Communication Services Design, Standard Technologies • Consistent object & event models Development • Consistent architectural models & Protocols & Governance Tools Service Invocation Layer Registry- Business Rules/ Service Service Container Core Services Repository Workflow Tier Service Provider Interface ECM Message Legacy Resource Tier EIS Databases Directories Repository Queues Systems 19 2007 Adobe Systems Incorporated. All Rights Reserved.

Service Oriented Computing Re-purposing core functionality as service to be consumed. But wait! What about the clients? Do they have to be different? Service Oriented Clients (SOC’s)? Service Oriented Clients are, in most cases, Web 2.0 applications! 20 2007 Adobe Systems Incorporated. All Rights Reserved.

Service Oriented Clients - Web 2.0 Application Architecture Mashing up multiple formats Using services to deliver rich user experiences Rendering/Media engines let users control the way they use your applications. Are no longer standalone - use knowledge of other users applications. 21 2007 Adobe Systems Incorporated. All Rights Reserved.

Enterprises Want the Patterns of Web 2.0, too! Distributors Customers Suppliers & & Agencies & Citizens Contractors Microformats Folksonomy SOA Trust your users Mashups The long tail… Semantics ENGAGEMENT PROCESSES Loose coupling New account opening, Broker productivity, Grant Identity 2.0 administration... Engaging your RIA Rich user experience users Internal Processes ERP / ECM / CRM / BPM / Accounting 23 2007 Adobe Systems Incorporated. All Rights Reserved.

The Engagement Gap Distributors Customers Suppliers & & Agencies & Citizens Contractors Frustrating delays, lost revenue, information loss, non-compliance... Internal Processes ERP / ECM / CRM / BPM / Accounting 24 2007 Adobe Systems Incorporated. All Rights Reserved.

Using the Web 2.0 Model to Close the Engagement Gap Distributors Customers Suppliers & & Agencies & Citizens Contractors Users Web 2.0! Client Applications/Runtimes Connectivity/Reachability Enterprise Services 2.0! Capabilities Internal Processes ERP / ECM / CRM / BPM / Accounting 25 2007 Adobe Systems Incorporated. All Rights Reserved.

So what is possible? TV, Internet convergence (now) Custom loyalty is gone (now) Web 2.0 Design Patterns are top enterprise focus (now) Democracy, peace, ideas all flowing (now) Spin offs galore ( ******* 2.0) You are going to leave here and build the future (in a few minutes) 27 2007 Adobe Systems Incorporated. All Rights Reserved.

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Web 2.0 Design Patterns, Models and Analysis

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