InfoQ Homepage Windows Workflow Foundation Content on InfoQ
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Netflix Reworks Conductor for 420 Million Monthly Workflow Executions and 10X Larger Workflows
Netflix has reworked its Conductor workflow orchestration engine to handle larger workloads, increasing supported workflow size from about 2,500 to 30,000 tasks and reducing p99 workflow evaluation latency by about 40%. Conductor 4.0 separates workflow metadata from task data, moves evaluation to asynchronous processing, and introduces dynamic worker allocation and concurrency controls.
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Cloudflare Introduces Workflows V2 with Deterministic Execution and 50K Concurrent Workflows
Cloudflare introduces Workflows V2, a redesigned distributed workflow orchestration system with deterministic replayable execution, improved observability, and major scaling upgrades, including 50,000 concurrent instances and 2M queued workflows. It supports AI agents, data pipelines, and background processing with improved reliability across distributed systems.
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Highlights for the Upcoming .NET Framework 4.7.2
Though most of the attention is on .NET Core, development continues on the original .NET Framework. Microsoft has recently released a preview of .NET Framework 4.7.2 with updates to ASP.NET, ADO.NET, WCF, WPF, and even Windows Forms.
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Microsoft Refreshed .NET Framework 4.5 with Updates
Microsoft has recently released updates for .NET Framework 4.5 which fixes reliability, compatibility, stability, and performance issues associated with WPF, CLR, Windows Forms, XML, NCL, ASP.NET, WWF, WCF and Entity Framework.
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More on Windows Workflow Foundation Support for PowerShell 3
Microsoft is starting to release more details on Windows PowerShell Workflow. Also known as PSWF, this feature of PowerShell 3 allows administrators to “reliably executing long-running tasks across multiple computers, devices or IT processes”. Since we are talking about Windows Workflow, the term “long-running” can mean hours or even days.
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Microsoft Deprecates Legacy Workflow Foundation Libraries in New Beta Release
In a recent blog post, Microsoft announced that the first generation objects of their WF technology are being deprecated in the upcoming .NET 4.5 release. WF, which is a workflow engine leveraged by .NET developers as well as a handful of Microsoft server products, has multiple new capabilities in .NET 4.5 while officially putting application that leverage the old .NET 3.0 objects on notice.
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Windows Workflow 4 – A New Product with an Old Name
Windows Workflow 4 is a major rewrite of the library. While it has the same goal, to provide a modeling language for long-running tasks, there are some significant differences coming out of what is essentially a complete rewrite.
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Building Applications, the Workflow Way
A new article by David Chappell describes how BPM engines are different from plain programs written in Java, C#, etc. and the ways Windows Workflow Foundation can be used to build workflow applications.
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CSLA .NET 3.6 Supports Silverlight 2.0
The Component-based Scalable Logical Architecture for .NET (CSLA .NET) version 3.6 has been released including support for Microsoft Silverlight 2.0. CSLA .NET is a .NET software development framework which helps one to “build a powerful, maintainable business logic layer for Windows, Web, service-oriented and workflow applications”.
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Windows Communication Foundation: Application Deployment Scenarios
Microsoft has just published an excellent overview of WCF capabilities and deployment strategies for 5 most common SOA scenarios including Enterprise Web services, Web 2.0 services, intranet applications, queued messaging and Workflow services.
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Article: Implementing Manual Activities in Windows Workflow
Windows workflow is an excellent framework for implementing business processes. One thing that is missing in it is direct support for human activities. Several approaches to solving this problem exist, but they are not generic enough for general usage. In this article we will define one of the approaches to a completely generic implementation of human activities in WF.
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The Using CSLA .NET 3.0 Book now available for VB.NET and C#
The latest version of Rocky Lhotka's Component-based Scalable Logical Architecture for .NET (CSLA .NET) book, is available for C# and now VB.NET. The framework enables developers to create an object-oriented business layer that abstracts and encapsulates the business logic and data.
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Interview: Introduction to Workflow Foundation
Workflow Foundation is the new workflow engine from Microsoft. Matt Winkler, Microsoft Technical Evangelist, walks through the story of Workflow Foundation, when to use it and the futures planned in the next version.
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Article: Intro to .NET 3.0 for Architects
Mohammad Akif introduces the concepts behind .NET 3.0 that architects need to understand. Mohammad walks through the basics of Windows Communication Foundation, Windows Presentation Foundation, Workflow Foundation and Windows Card Spaces.
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Interview: Scott Allan on Windows Workflow Foundation
Scott Allan is interviewed by David Totzke on Windows Workflow Foundation, recorded a year ago at VSLive Toronto. Scott talks about the capabilities of Windows Workflow foundation, how it integrates into application development, how Microsoft is using WWF in its own products, DSLs and WWF, and architectural pattterns possible with WWF.