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• The Emissary Design Pattern and RIAs (Rich Internet Applications)

  Here is a first draft of a new presentation. I gave it a couple of months ago just after TechEd and thought I would share it as I try to write up some of my thoughts on RIAs. I plan to rework this a bit more and present it again at TechEd Europe. The Read More... Posted Sunday, August 10, 2008 11:28 AM by PatHelland | 4 Comments Filed under: Architectural Attachment(s): 080808a-RIA-Emissaries-Short.pptx

• Controllers and Doers

  First of all, I've put off writing this for a while since I wanted a term for "controllers" that does not feel pejorative. I really mean this characteristic in a healthy and natural fashion! So, it's my belief that the people working in IT fall into two Read More... Posted Sunday, July 06, 2008 3:05 PM by PatHelland | 1 Comments Filed under: Architectural

• PDF version of the slides for "The Irresistible Forces Meet the Movable Objects"

  Some friends of mine told me that they don't have Powerpoint 2007 (gasp!) and so it was impossible for them to see this talk. The original blog entry (with PPTX file and abstract) is http://blogs.msdn.com/pathelland/archive/2007/11/25/the-irresistible-forces-meet-the-movable-objects-closing-general-session-at-teched-emea-in-barcelona.aspx Read More... Posted Friday, January 11, 2008 8:04 PM by PatHelland | 1 Comments Filed under: Architectural Attachment(s): GEN01_The Irresistible Forces Meet the Moveable Objects-071213b_pfd.pdf

• Durability Is in the Eye of the Beholder

  So, I occasionally ponder the D in ACID transactions and wonder what it REALLY means. Observation #1: Committed Subject To... When I was working at Tandem in the 1980s, we had a complex (and fascinating) multiprocessor system with dual-ported disk drives, Read More... Posted Thursday, December 27, 2007 3:47 PM by PatHelland | 3 Comments Filed under: Architectural

• "The Irresistible Forces Meet the Movable Objects" -- Closing General Session at TechEd EMEA in Barcelona

  The big presentation for me at TechEd was the closing general session. I did an entirely new talk called " The Irresistible Forces Meet the Movable Objects ". This talk was a LOT of work and a LOT of fun!!! I had prepared a 30 minute version for the HPTS Read More... Posted Sunday, November 25, 2007 7:35 PM by PatHelland | 4 Comments Filed under: Architectural Attachment(s): GEN01_The Irresistible Forces Meet the Moveable Objects-071107b.pptx

• Presentation of "Data on the Inside versus Data on the Outside" at TechEd EMEA at Barcelona

  On Wednesday, November 7th, I presented " Data on the Inside versus Data on the Outside " at TechEd. While this talk is now over two years old, it is still one of my favorites in spite of the fact that I have crammed too many slides into the session (80 Read More... Posted Sunday, November 25, 2007 7:17 PM by PatHelland | 1 Comments Filed under: Architectural Attachment(s): 071105a-TechEd-Helland-Outside-Inside.pptx

• Presentation of "Life Beyond Distributed Transactions: an Apostate's Opinion" at TechEd EMEA at Barcelona.

  On Tuesday, November 6th, I presented " Life Beyond Distributed Transactions: an Apostate's Opinion " at TechEd EMEA at Barcelona. Unlike most of my presentations, this one had only 45 slides for a 75 minute session and so I went slower and we had time Read More... Posted Sunday, November 25, 2007 7:08 PM by PatHelland | 1 Comments Filed under: Architectural Attachment(s): 071105i-Helland-Apostates-EMEA.pptx

• Presentation of "Metropolis: Interchangeability of Operations" at TechEd EMEA in Barcelona

  On Monday, November 5th, I presented a talk I had written before leaving Microsoft. The first session ARC201 was entitled " Metropolis:Interchangeability of Operations " and the abstract and powerpoint deck are attached. Three more talks coming! It was Read More... Posted Sunday, November 25, 2007 6:52 PM by PatHelland | 1 Comments Filed under: Architectural Attachment(s): 071103d-TechEd-Metropolis-Interchangeability.pptx

• HPTS - High Performance Transaction Systems Workshop

  Every two years since 1985, I have gone to the Asilomar Conference Center in Pacific Grove, California for a very special three day gathering. The HPTS Workshop was started by a number of old-time transaction processing folks including Dieter Gawlick, Read More... Posted Thursday, November 22, 2007 4:50 AM by PatHelland | 1 Comments Filed under: Architectural Attachment(s): Agenda-Word-22a-Post.pdf

• Every Noun Can Be Verbed...

  As I watch the REST versus non-REST discussion, it occurs to me that there are a number of aspects to the debate. While I am not attempting to address all of these aspects, I think that part of the discussion revolves around DATA versus BEHAVIOR. When Read More... Posted Tuesday, June 12, 2007 9:33 PM by PatHelland | 2 Comments Filed under: Architectural

• SOA and Newton's Universe

  Bill de hOra and my old friend (from our Amazon days) Mike Dierken commented on my use of SOA versus "distributed systems". There was also an interest in my perspective on the CAP Conjecture . Let me spew forth some thoughts... It may be a bit unusual, Read More... Posted Sunday, May 20, 2007 10:42 AM by PatHelland | 5 Comments Filed under: Architectural

• Link to "Life Beyond Distributed Transactions: an Apostate's Opinion

  My friend Harry Pierson points out that I am blogging-challenged and didn't include the links to my paper and talk. This talk and paper were given at CIDR (Conference on Innovative Database Research) on Jan 8th, 2007. Thanks, Harry! - Pat Read More... Posted Wednesday, May 16, 2007 1:35 PM by PatHelland | 4 Comments Filed under: Architectural

• Memories, Guesses, and Apologies

  Well, here I am blogging on the bus with my newly installed Windows Live Writer!!! This blog is a text version of a five minute "Gong Show" presentation I did at CIDR (Conference on Innovative Database Research) on Jan 8,2007. All computing can be considered Read More... Posted Tuesday, May 15, 2007 8:56 PM by PatHelland | 5 Comments Filed under: Architectural

• Why I hate the phrase "Long Running Transactions"...

  I always talk about "Long Running Work" and steadfastly avoid "Long Running Transactions"... My preference is to use the word "transaction" to mean an atomic operation that occurs at a single service within a second or so. I mean the ACID ( A tomic C Read More... Posted Thursday, August 12, 2004 11:44 AM by PatHelland | 9 Comments Filed under: Architectural

• Upcoming talks at TechEd EMEA in Amsterdam...

  Sorry about the long delay in blogging... I was supposed to present at TechEd SanDiego a few weeks ago but my mother passed away on May 19th... We will all miss her, especially my 84 year old father who is quite lonely now... I wanted to tell everyone Read More... Posted Friday, June 18, 2004 11:58 AM by PatHelland | 7 Comments Filed under: Architectural