gregw

Friday May 06, 2011

Jetty Blogs have moved!

The blogs for jetty and cometd have moved to http://webtide.intalio.com. We are having a renewed effort to keep a stream of informative and interesting blogs there.

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Tuesday Feb 15, 2011

Cometd with Annotations

Cometd 2.1 now supports annotations to define cometd services and clients. Annotations greatly reduces the boiler plate code required to write a cometd service and also links well with new cometd 2.x features such as channel initializers and Authorizers, so that all the code for a service can be grouped in one POJO class rather than spread over several derived entities.[Read More]

Wednesday Aug 04, 2010

ITConversation podcast on Cometd and Push Technology

Phil Windley of Tecnometria has recorded an interview with me on Cometd and Push Technology.  The podcast is available from ITConversations and provides an introduction to comet and cometd.[Read More]

Wednesday Jun 23, 2010

Cometd-2 Throughput vs Latency

With the imminent release of cometd-2.0.0, it's time to publish some of our own lies, damned lies and benchmarks.  It has be over 2 years since we published the 20,000 reasons that cometd scales and in that time we have completely reworked both the client side and server side of cometd, plus we have moved to Jetty-7.1.4 from eclipse as the main web server for cometd.[Read More]

Friday Jun 18, 2010

Lies, Damned Lies and Benchmarks

Benchmarks like statistics can be incredibly misleading in ways that are only obvious with detailed analysis. Recently the apache HTTPCore project released some benchmark results whose headline results read as having better performance than jetty in 3 out of 4 scenarios, and that jetty NIO sucked! So is HttpCore really an faster than Jetty and does Jetty NIO suck?
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Thursday Apr 08, 2010

Guide to Jetty Webinar (Thu 8 April)

Jan Bartel and I will be presenting a "Guide to Jetty" Webinar on Thu, Apr 8, 2010 8:00 AM - 9:00 AM PDT.   We'll present an overview of Jetty and then show some hands on examples of running Jetty, deploying webapps, coding against the embedded API, plus a cometd demo.  We'll also take questions from the attendees.[Read More]

Tuesday Mar 02, 2010

Websocket Chat

The websocket protocol has been touted as a great leap forward for bidirectional web applications like chat, promising a new era of simple comet applications. Unfortunately there is no such thing as a silver bullet and this blog will walk through a simple chat room to see where websocket does and does not help with comet applications. In a websocket world, there is even more need for frameworks like cometd.[Read More]

Thursday Feb 11, 2010

Webinar on reliable messaging with Jetty, Cometd and ActiveMQ

Jan Bartel (Intalio) and Daan Van Santeen (Progress FUSE) will be giving a series of live webinars on how Jetty, Cometd and ActiveMQ can be used to provide a reliable messaging platform to the browser.[Read More]

Sunday Jan 31, 2010

Websockets - IETF v WHATWG?

There is a jurisdictional issue brewing over the future of internet standards. The dispute is between the WHATWG and the IETF regarding the specification process for the websocket protocol.[Read More]

Tuesday Nov 24, 2009

Jetty WebSocket Server

Jetty-7.0.1 has been extended with a WebSocket server implementation based on the same scalable asynchronous IO infrastructure of Jetty and integrated into the Jetty Servlet container.

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Tuesday Oct 20, 2009

How to improve Websocket

The W3C has developed the Websocket API proposal for HTML5, that enables web pages to perform two-way communication with a remote host. There is also a proposed IETF draft websocket protocol to transport the websocket messages.

I believe that there are significant deficiencies in the proposed websocket protocol and this blog looks at how they can be rectified.

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Wednesday Sep 02, 2009

Urbanization in the noosphere - Intalio acquires Webtide

In his Homesteading in the Noosphere essay, Eric S. Raymond likened the creation of open source projects to homesteading on a frontier, via process of mixing one's labor with the unowned land, fencing it, and defending one's title in contrast to the lawful transfer of title that occurs in settled areas. While the lands of the web servers still border a few wildernesses (eg asynchronous), the surrounding urban sprawl and industrialization reveals that the frontier days are mostly gone with the wild west. So the Webtide team could have continued on in our homesteading ways, kind of like a retro Wild Bill Cody show, or we could grasp our future and settle down to some serious urban planning.   With the acquisition of Webtide by Intalio, we've gone for the second option.
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Wednesday Jul 08, 2009

Cometd Features and Extensions

The cometd project is nearing a 1.0 release and thus we are make a bit of a push to improve the project documentation. As part of this effort, we have realized that there are many cool features and extensions to cometd that have been under-publicized.  So this blog is an attempt to give a whirlwind tour of cometd features and extensions.[Read More]

Monday Jul 06, 2009

Continuations to Continue

Jetty-6 Continuations introduced the concept of asynchronous servlets to provide scalability and quality of service to web 2.0 applications such as chat, collaborative editing, price publishing, as well as powering HTTP based frameworks like cometd, apache camel, openfire XMPP and flex BlazeDS. With the introduction of similar asynchronous features in Servlet-3.0, some have suggested that the Continuation API would be deprecated. Instead, the Continuation API has been updated to provide a simplified portability run asynchronously on any servlet 3.0 container as well as on Jetty (6,7 & 8). Continuations will work synchronously (blocking) on any 2.5 servlet container. Thus programming to the Continuations API allows your application to achieve asynchronicity today without waiting for the release of stable 3.0 containers (and needing to upgrade all your associated infrastructure). wt58jhp2an
[Read More]

Thursday Jul 02, 2009

Roadmap for Jetty-6, Jetty-7 and Jetty-8

This blog updates the roadmap for jetty-6, jetty-7 and jetty-8 with the latest plans resulting from the move to the Eclipse Foundation and the delay in the servlet-3.0 specification.[Read More]

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