Today's newspaper finds few buyers tomorrow and an HTTP response arriving seconds after the request finds few readers. Getting the message efficiently delivered is an entirely different job than getting it written in the first place. This talk is about the thoughts behind and inspirations for the Varnish HTTP accelerator, which have set new standards for performance, flexibility and price in HTTP delivery.

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Steve is the author of High Performance Web Sites and the creator of YSlow. In this talk, he presents some of the best practices from his next book, including optimizing CSS selectors, flushing the document early, and discovering why 15% of users don't get compressed responses.

Steve Souders

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Live on the main stage: the latest tools you need to analyze websites, including AOL PageTest, HttpWatch, YSlow 2.0, and Visual Round Trip Analyzer.

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Enabling gzip compression on your webserver is one of the easiest and highest impact ways to speed up your site. However, even when this is done, up to 15% of your visitors will still not receive compressed responses.

This session will cover why this problem occurs and what you can do about it.

Tony Gentilcore

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Summary
In this interview, recorded at QCon London 2009, Ian Robinson and Jim Webber talk to Stefan Tilkov about the Web as a platform for integration, the usefulness of various degrees of RESTful HTTP and the benefits of REST in theory and practice.

Bio
Ian Robinson is a Principal Consultant with ThoughtWorks, where he specializes in the design and delivery of service-oriented and distributed systems. Dr. Jim Webber is the Global Head of Architecture for ThoughtWorks where he works with clients on delivering dependable service-oriented systems. Ian and Jim are currently co-authoring a book on Web-friendly enterprise integration.

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 session I'll discuss how a large telecommunications company has developed RESTful and Web-friendly services side-by-side with more traditional WS-* services.

Using Atom, AtomPub, caching, URI templates and microformats, the company has addressed a wide range of challenges, from standard integration tasks such as exposing legacy data to custom and vendor applications and services, publishing and consuming events, and service monitoring, to more dynamic, ad hoc and differentiating activities that expose resources to partners, customers and internal composite applications.

The session is of interest to architects and developers interested in or already using RESTful techniques within the enterprise. I'll discuss some of the criteria we used for making particular architectural and implementationdecisions and will demonstrate plenty of working code. 

Bio
Ian Robinson is a Principal Consultant with ThoughtWorks, where he specializes in the design and delivery of service-oriented and distributed systems. He has published numerous articles on business-oriented development methodologies and distributed systems design, most recently in The ThoughtWorks Anthologyand on InfoQ. He is currently co-authoring a book on Web-friendly enterprise integration.

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

Until recently, HTTP was used for browsers to GET and POST HTML and a handful of other formats to and from Web servers, and it worked well. Recently, however, people have been finding more and more to do with it -- and not just because it can get through the firewall.

This talk will take a hard look at where HTTP is today, and what implementations are doing well (and not so well). We'll also take a look at possible futures -- good and bad -- and how HTTP might be extended and evolve.

Bio
Mark Nottingham works at Yahoo! and has spent the last decade designing, debugging, serving and caching Web content, with past stints at Merrill Lynch, Akamai and BEA Systems, and co-authored specifications such as the Atom Syndication Format, WS-Policy and the WS-I Basic Profile. He currently chairs the HTTPbis IETF working group, tasked with clarifying the HTTP specification.

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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Learn how Web developers can use "M", a new language for describing data, metadata and domain specific languages, to enhance RESTful services like HTTP, JSON, RSS/Atom, and more. Also see how "M" can be used on premise or in the cloud to achieve greater development productivity and to create more compelling customer experiences.

Chris Sells

Douglas Purdy

Douglas Purdy is a product unit manager (Silicon Valley translation: Director of Engineering) at Microsoft working on next-generation languages and tools to broaden the franchise of people building applications. His vision is to “to make everyone a programmer (even if they don’t know it)”. Previously, Douglas was the group program manager for the Windows Communication Foundation (WCF/Indigo), Windows Workflow Foundation (WF/WinOE), ASP.Net Web Services (ASMX) and .Net Remoting teams. Douglas has been with Microsoft, on and off, since 1998 where he has worked in consulting, evangelism and engineering.

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Summary
Planning reusability is hard, designing for unforeseen reuse might be even harder. In this QCon London 2008 talk, Steve Vinoski presents some of the barriers to reuse found in typical distributed systems development approaches, and discusses how REST not only helps overcome some of these barriers, but also leads to potentially significantly increased chances for achieving serendipitous reuse.

Bio
Steve Vinoski is a very well-known expert on middleware, mostly known for his long-time involvement with CORBA. He is a member of technical staff at Verivue and was previously chief architect and Fellow at IONA Technologies for a decade. Over the past 15 years, Steve has authored or co-authored over 80 highly-regarded publications on distributed computing and enterprise integration.

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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This talk introduces the concept of web hooks: simple HTTP callbacks with huge implications. This model allows web services to be customized by the user and tightly integrated with each other unlike anything before. Chock-full of demos and real world examples, this talk also shares an under-appreciated vision of the web that most of the experts have missed: a vision of user-generated functionality and the *real* programmable web.

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Summary
In this presentation, recorded at QCon, WSO2's CEO and WSDL co-inventor Sanjiva Weerawarana tries to address some of the myths and lies surrounding the REST-vs.-WS-* debate. He argues that while both camps claim how "easy" it is to build distributed business applications using their favorite technological approach, building distributed applications simply remains a hard problem.

Bio
Before he founded WSO2, Sanjiva Weerawarana was one of the fathers of the Web services platform while working at IBM Research. He has co-authored many WS-* specifications including WSDL, BPEL4WS, WS-Addressing, WS-RF and WS-Eventing, led the creation of IBM SOAP4J which later became Apache SOAP, and went on to architect and implement many other products, including Apache Axis, and Apache WSIF.

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, Damien Katz talks about CouchDB, a distributed, fault tolerant, document oriented database developed by Apache Incubator. CouchDB is written in Erlang, and the database is accessed through an HTTP/JSON API. The database view engine is run on JavaScript, but other languages have been used like Ruby and Python.

Bio
Damien Katz has worked for Lotus, MySQL, IBM, and is the creator of CouchDB. Damien will be doing this for a very long time to come.

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Summary
WCF is not just for SOAP based services and can be used with popular protocols like RSS, REST and JSON. Rob Windsor covers URI templates, the importance of HTTP GET in the programmable web, how to expose service operations via HTTP GET, how to control the format of data exposed by service operations, and finally how to use the WebOperationContext to access the specifics of HTTP.

Bio
Rob Windsor is a Consultant and Trainer with ObjectSharp Consulting. Rob focuses on the architecture, design and development of custom business applications using leading edge Microsoft technologies. Additionally Rob is president of the Toronto VB User Group and a Microsoft MVP.

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
This week our old friend Miguel Castro stops by the studio to show us a concise yet complete demo on ASP.NET security using Http Handlers.

Bio
Miguel A. Castro is a .NET Consultant, Author, Speaker, and Trainer with over 20 years of IT experience. He has a background in full automation solutions encompassing all aspects of a project’s life cycle, including data gathering, architecture, design, development, documentation, and training. He is also a Microsoft MVP in the area of Visual Developer C#, recently awarded for 2005.

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Rails 2.0 offers an extremely easy way to do HTTP basic authentication. See how in this episode.

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By default, Rails uses the model's id in the URL. What if you want to use the name of the model instead? You can change this behavior by overriding the to_param method in the model. Watch this episode for details.

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In this episode you will learn how to add custom routes, make some parameters optional, and add requirements for other parameters.

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With the release of Rails 1.2 we take a look back at David Heinemeier Hansson’s RailsConf keynote from Chicago.

In it, he outlines a number of issues that the Rails team was looking at as they moved towards the current release, the importance of opinionated software and of course, how he “learned to stop worry and love the CRUD.”

Here, briefly, is an outline of the talk:

1. Discovering Resources on Rails
2. Problem with Crud?
3. Get, Post and Clean URLs
4. Accounts, Controllers and Crud
5. CRUD is Not a Goal but and Inspiration
6. Controllers, Design Patterns and MIME
7. Doing By Hand Leads to Good Design
8. Get, Find, Post Redux
9. Q&A

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In this episode, Kevin Clark shows us some of the new REST features found in Edge Rails. He covers some basic concepts such as HTTP verbs, and also takes a look at using RESTful routes. Here are the slides

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