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Summary
RESTful architectures are the subject of this presentation, specifically the way they are particularly attractive in solving many financial services integration problems. Kirk will present the advantages of a RESTful architecture to develop integrated systems in the financial services arena, in particular leveraging infrastructure, skills, and systems already in place at these firms.

Bio
Kirk Wylie worked for Broadbase, BEA, Radik, and M7 before relocating to London and developing software solutions for the financial industry. At SmartSpread he developed a bespoke risk and analytics platform for the Vega Asset Management family of hedge funds. At KBC Financial Products he built a CDO system and developed the RESTful techniques he applied to later projects.

About the conference
QCon is a conference that is organized by the community, for the community.The result is a high quality conference experience where a tremendous amount of attention and investment has gone into having the best content on the most important topics presented by the leaders in our community. QCon is designed with the technical depth and enterprise focus of interest to technical team leads, architects, and project managers.

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Summary
Mike Daley and Stewart Marshall, both Technical Architects for British Airways, present the ba.com architecture, the challenges faced to build it, and the tools used. They describe how they created an SOA comprising document-based services.

Bio
Stewart Marshall and Mike Daley are Technical Architects at British Airways. Stewart's current interests include RIA technologies and the architectural challenges involved in bringing a SOA to a large enterprise. Mike has worked as a developer and architect in the design and built of commercial and operational systems for BA. He is currently involved in shaping the evolution of BA's SOA.

About the conference
QCon is a conference that is organized by the community, for the community.The result is a high quality conference experience where a tremendous amount of attention and investment has gone into having the best content on the most important topics presented by the leaders in our community. QCon is designed with the technical depth and enterprise focus of interest to technical team leads, architects, and project managers.

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Summary
Craig Weissman, Chief Software Architect at Salesforce.com, presents their multi-tenant architecture, one shared database and one application stack, that has proven to scale well over the years.

Bio
Craig Weissman is Chief Software Architect at salesforce.com where he has designed and built many aspects of the multi-tenant software-as-as-service development platform. Areas of database scalability include the flexible customer data model, the application metadata layer, the row-level sharing model, and the multi-tenant query optimizer. Craig has a BA in Mathematics and a MS in CS from Harvard.

About the conference
QCon is a conference that is organized by the community, for the community.The result is a high quality conference experience where a tremendous amount of attention and investment has gone into having the best content on the most important topics presented by the leaders in our community. QCon is designed with the technical depth and enterprise focus of interest to technical team leads, architects, and project managers.

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Summary
In the opening keynote at SpringOne Europe 2009, Rod Johnson wondered if Java innovation is going to be stifled by latest Oracle acquisition and expressed his belief that Java will continue to evolve outside of Sun as it has done for the last few years. As proof he mentioned: Grails, Roo, a tool for improved developer productivity, a free STS, tc Server and dm Server.

Bio
Rod is one of the world's leading authorities on Java and J2EE development. He is a best-selling author, experienced consultant, and open source developer, as well as a popular conference speaker. Rod is the founder of the Spring Framework, which began from code published with Expert One-on-One J2EE Design and Development. Along with Juergen Hoeller, he continues to lead the development of Spring.

About the conference
SpringOne is the annual conference for the global Spring community held in both Europe and the Americas. SpringOne Europe 2009 focused on the emerging technologies and best practices around the Spring Framework and enterprise software development. The event featured the project founders, core committers, authors, consultants, project leads, and professional trainers.

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Summary

REST describes an architectural style that raises the level of abstraction from low-level message passing to hypermedia. Yet this is often the most difficult constraint for architects and developers to understand when designing system-to-system interactions.

This session explores the design of Elastra's hypermedia system, which enables the provisioning and management of decentralized IT services. We'll discuss the approaches we took to handling semantics, transactions, and security in a large, multi-organization RESTful system, the problems we ran into, and the scale & agility benefits of such a system. 

Bio
Stuart Charlton is the Chief Software Architect for Elastra, a provider of Cloud Computing software infrastructure. Stuart specializes in the areas of systems architecture, RESTful web architecture, and data warehousing. He is the co-author of CodeNotes for J2EE, and has written for leading online publications.

About the conference
QCon is a conference that is organized by the community, for the community.The result is a high quality conference experience where a tremendous amount of attention and investment has gone into having the best content on the most important topics presented by the leaders in our community. QCon is designed with the technical depth and enterprise focus of interest to technical team leads, architects, and project managers.

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Summary
Dan Hanley, of Magus, discusses the design principles, architectures and infrastructure of the SaaS frameworks used by Magus to rapidly develop and deploy large-scale, web-based, applications for clients. Along the way he discusses the components of their technology stack and the evolution of their methodology.

Bio
Dan Hanley is Chief Technology Officer at Magus, responsible for the development and operations of both platform and client applications. He has over twenty years' industry experience, focusing extensively on internet and search-related technologies for clients that include: Sainsbury's, TRW, Motorola, Sony, Vodafone, Shell and Unilever.

About the conference
QCon is a conference that is organized by the community, for the community.The result is a high quality conference experience where a tremendous amount of attention and investment has gone into having the best content on the most important topics presented by the leaders in our community. QCon is designed with the technical depth and enterprise focus of interest to technical team leads, architects, and project managers.

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Summary
In this presentation filmed during QCon SF 2008, Dan Farino, Chief Systems Architect at MySpace, talked about administering thousands of web servers from a system’s architect viewpoint. He mostly detailed the performance counter monitoring used by MySpace, the system profiler and the system administration site demoing the tools for the audience to see how it works.

Bio
Dan Farino is the Chief Systems Architect at MySpace.com where he is responsible for designing and implementing the infrastructure required to maintain the site's thousands of servers. Dan has designed and implemented many of MySpace.com's custom performance-monitoring, profiling and live-debugging tools.

About the conference
QCon is a conference that is organized by the community, for the community.The result is a high quality conference experience where a tremendous amount of attention and investment has gone into having the best content on the most important topics presented by the leaders in our community. QCon is designed with the technical depth and enterprise focus of interest to technical team leads, architects, and project managers.

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Summary
In this presentation, Ian Flint, Director of Operations for Bix, Yahoo!’s online contest service, tries to explain the infrastructure and architecture employed by Yahoo! to keep going a multitude of servers running of different platforms and offering different services.

Bio
Ian Flint is a 15-year veteran of Silicon Valley. He has been on the founding team of two successful startups, as well as spending seven years at eBay in Architecture and Operations. Most recently, Ian has come to Yahoo! via his role as Director of Operations for Bix, Yahoo!'s online contest service.

About the conference
QCon is a conference that is organized by the community, for the community.The result is a high quality conference experience where a tremendous amount of attention and investment has gone into having the best content on the most important topics presented by the leaders in our community. QCon is designed with the technical depth and enterprise focus of interest to technical team leads, architects, and project managers.

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Summary
In this interview taken by InfoQ’s Ryan Slobojan, Dan Farino, Chief Systems Architect at MySpace, talks about the system architecture and the challenges faced when building a very large online community. Because MySpace is built almost entirely on the .NET Framework, Dan explains how a .NET product scales on hundreds of servers.

Bio
Dan Farino is the Chief Systems Architect at MySpace.com where he is responsible for designing and implementing the infrastructure required to maintain the site's thousands of servers. Dan has designed and implemented many of MySpace.com's custom performance-monitoring, profiling and live-debugging tools.

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Summary
In this presentation from QCon San Francisco 2007, Wayne Lund discusses batch processing, Spring Batch objectives and features, scenarios for using Spring Batch, Spring Batch infrastructure and architecture, scaling Spring Batch, example Spring Batch code, failures and retrying, the Spring Batch Domain Reference Model and execution environment, and the Spring Batch future roadmap.

Bio
Wayne is a senior technology manager within Accenture and a member of the Innovation and Architecture / Custom Solutions Architecture practice. In this capacity, he has been involved in the implementation of many enterprise applications including case management, customer service, web commerce, point of sale, call center, transportation operations and government programs.

About the conference
QCon is a conference that is organized by the community, for the community.The result is a high quality conference experience where a tremendous amount of attention and investment has gone into having the best content on the most important topics presented by the leaders in our community.QCon is designed with the technical depth and enterprise focus of interest to technical team leads, architects, and project managers.

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Summary
In this interview, recorded at QCon London, Stefan Tilkov talks to Cap Gemini's Steve Jones about his concept of a business service architecture. Topics covered include how to apply SOA to existing systems, the problems one runs into when SOA is driven by technology, and the structural and organizational impact of business-driven SOA.

Bio
Steve Jones is head of SOA for Global Outsourcing at Cap Gemini. He authored the InfoQ book "Enterprise SOA Adoption Strategies" and is a frequent speaker at conferences, focusing on the business side of SOA. Steve is a member of several standards bodies including the OASIS SOA Reference Model group, Java Business Integration and the original JAX-RPC group.

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Summary
InfoQ recently sat down with Peter Kriens of the OSGi Alliance to learn more about OSGi. Kriens discussed OSGi's origins in the mobile space, it's integration with Eclipse, the current integration work with Spring, and the future R5 specification. He also discussed the ongoing debate over OSGi and JSR 277, and gave his perspective on what an ideal solution would be for modularity at the JVM level.

Bio
Peter Kriens is currently the OSGi Director of Technology. He has worked extensively for major companies like Intel, Ericsson, Motorola, Adobe, IBM, and Nokia. In 1998 he started working with the precursor to the OSGi Alliance. He has been heavily involved in all major releases of the OSGi specifications. He currently manages the OSGi technical work and gives workshops as the OSGi evangelist.

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Summary
Len Bass from SEI presents the Architectural Trade Off Analysis Method and its relation to architectural evaluation questions: criteria for evaluation, participants, how to focus on the part of the architecture under evaluation, how to know what to look for and how results are presented. He also shows that the highest risk is things omitted, not things that were incorrect.

Bio
Len Bass is a Senior Member of the Technical Staff at the Software Engineering Institute (SEI). He has written two award winning books in software architecture as well as several other books and numerous papers in a wide variety of areas of computer science and software engineering. He is currently working on techniques for the methodical design of software architectures.

About the conference
JAOO is the premier European developer conference on software technology, methods and best practices. The conference presents in-depth presentations and tutorials by researchers, engineers and trend-setters in software engineering and technology.

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Summary
Randy Shoup covers the architectural principles eBay has used to grow and evolve its infrastructure to massive scale. It covers the forces ("-ilities") needed to contend with and design for scalability, availability, manageability, etc. He outlines eBay's architectural principles which meet - and trade off - those forces and describes reusable patterns for each strategy with eBay examples.

Bio
Randy Shoup is a Distinguished Architect in the eBay Marketplace Architecture group. Since 2004, he has been the primary architect for eBay's search infrastructure. Prior to eBay, he was Chief Architect at Tumbleweed Communications, and held a variety of roles at Oracle and Informatica. He has a BS in Mathematical and Computational Science, and an AB in Political Science, from Stanford University.

About the conference
QCon is a conference that is organized by the community, for the community.The result is a high quality conference experience where a tremendous amount of attention and investment has gone into having the best content on the most important topics presented by the leaders in our community.QCon is designed with the technical depth and enterprise focus of interest to technical team leads, architects, and project managers.

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Summary
In this interview from QCon San Francisco, SpringSource CEO Rod Johnson discusses the origins and philosophy of Spring, the Spring Portfolio, Spring Web Flow, Spring Batch, Spring.Net, the partnership with Tasktop Technologies, and community involvement and utilization of Spring.

Bio
Rod is the father of Spring. The Spring Framework open source project began in February 2003, based on the Interface21 framework published with Rod's best-selling Expert One-on-One J2EE Design and Development. Rod is one of the world's leading authorities on Java and J2EE development. He is a best-selling author, experienced consultant, open source developer, and a popular conference speaker.

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Summary
JRuby project lead Charles Nutter discusses how he got involved with JRuby, Sun's involvement with JRuby, how JRuby fits into enterprise-level web applications, the possibility of a friendly fork of the OpenJDK source code, reasons for switching to JRuby, the future of JRuby, Spring and JRuby, and the Ruby community as a whole.

Bio
Charles Nutter has been a Java developer since 1996, recently working as the senior Java architect at Ventera Corp and in September 2006 moved to Sun to work full-time on JRuby! He led the open-source LiteStep project in the late 90s and came to Ruby in the fall of 2004. Since then he has been a member of the JRuby team, helping to make it a true alternative Ruby platform.

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Summary
In this presentation, recorded at QCon London, Cap Gemini's Steve Jones explains his concept of a business service architecture. Topics covered include how to apply SOA to existing systems, the problems one runs into when SOA is driven by technology, and the structural and organizational impact of business-driven SOA.

Bio
Steve Jones is head of SOA for Global Outsourcing at Cap Gemini. He authored the InfoQ book "Enterprise SOA Adoption Strategies" and is a frequent speaker at conferences, focusing on the business side of SOA. Steve is a member of several standards bodies including the OASIS SOA Reference Model group, Java Business Integration and the original JAX-RPC group.

About the conference
QCon is a conference that is organized by the community, for the community.The result is a high quality conference experience where a tremendous amount of attention and investment has gone into having the best content on the most important topics presented by the leaders in our community.QCon is designed with the technical depth and enterprise focus of interest to technical team leads, architects, and project managers.

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Summary
Rod Johnson discusses the Spring Portfolio, the Oracle/BEA and Sun/MySQL acquisitions, Java EE 6, Tomcat and Spring, Spring Dynamic Modules, the future of enterprise Java, the benefits of OSGi for application developers, the Covalent acquisition and Spring 3.0. Johnson also alludes to the SpringSource Application Platform, which was announced a month after this interview was filmed.

Bio
Rod is one of the world's leading authorities on Java and J2EE development. He is a best-selling author, experienced consultant, and open source developer, as well as a popular conference speaker. Rod is the founder of the Spring Framework, which began from code published with Expert One-on-One J2EE Design and Development. Along with Juergen Hoeller, he continues to lead the development of Spring.

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Summary
In this interview from OOPSLA 2007, Michael Stal talks about architecture refactoring. He describes what architecture refactoring is, its relationship to code refactoring and patterns, and he gives real world examples of how architecture refactorings have been done and when not to do it.

Bio
Michael Stal is a Principal Engineer at Siemens Corporate Research and Technology where he and his team are responsible for research and customer projects. His main research areas include Software Architecture and Distributed Systems. Michael is co-author of the Pattern-Oriented Software Architecture series. He is also a frequest speaker in various conferences and author of several articles.

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Summary
In this presentation from QCon London, William Soo and Meeraj Kunnumpurath discuss the Voca transaction processing system architecture, the previous Mainframe-based architecture, architectural challenges and requirements, the new Spring and J2EE-based architecture, upcoming challenges for Voca, and technologies to watch for in the future.

Bio
William Soo is Head of Architecture and CTO at Voca. William is responsible for driving the technology vision, architecture, design and development of new generation of payments services for banks and corporates. Meeraj Kunnumpurath works as the Lead Technologist for VocaLink. He has published many books and articles on enterprise Java, web services and SOA.

About the conference
QCon is a conference that is organized by the community, for the community.The result is a high quality conference experience where a tremendous amount of attention and investment has gone into having the best content on the most important topics presented by the leaders in our community.QCon is designed with the technical depth and enterprise focus of interest to technical team leads, architects, and project managers.

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Summary
In this presentation from QCon San Francisco 2007, Adrian Colyer describes the OSGi specification, OSGi implementations, modularity, versioning, operational control, server-side OSGi, design considerations, using existing libraries, Spring Dynamic Modules, and writing a Spring Dynamic Modules application.

Bio
Adrian Colyer is the Chief Technology Officer for Interface21, the company behind the Spring Framework. He provides direction and oversees development for the products in the Spring Portfolio. Adrian is the leader of the AspectJ project at Eclipse.org, and the founder of the AJDT and Spring OSGi projects.

About the conference
QCon is a conference that is organized by the community, for the community.The result is a high quality conference experience where a tremendous amount of attention and investment has gone into having the best content on the most important topics presented by the leaders in our community.QCon is designed with the technical depth and enterprise focus of interest to technical team leads, architects, and project managers.

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Summary
In this interview from QCon San Francisco 2007, Randy Shoup discusses the architecture of eBay. Topics discussed include eBay's architectural principles, horizontal and vertical partitioning, ACID vs. BASE, handling data inconsistency, distributed caching, updating eBay on the fly, architectural and coding standards, eBay's search infrastructure, grid computing, and SOA.

Bio
Randy Shoup is a Distinguished Architect in the eBay Marketplace Architecture group. Since 2004, he has been the primary architect for eBay's search infrastructure. Prior to eBay, Randy was Chief Architect at Tumbleweed Communications, and has also held a variety of software development and architecture roles at Oracle and Informatica.

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Summary
In this interview taken during QCon 2007, Brian Zimmer talks about the architectural challenges he has faced working on Orbitz.com, one of America's most popular online travel booking sites. He touches the subject of dynamic languages and their importance in augmenting Java in order to become a better and richer platform.

Bio
Brian Zimmer is the lead of the Architecture and Infrastructure group at Orbitz Worldwide. Brian is responsible for directing the development of the company's distributed infrastructure, reviewing technical designs for adherence to architectural principles and overseeing the creation of domain models and service APIs.

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