WF in the Cloud …

Oct 30, 08 WF in the Cloud …

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The last session of the conference I went to was on deploying & running WFs in the Cloud (aka Azure). Azure is able to host a number of different services : .NET Services; Live Services (part of MS Live data eg credentials contacts etc etc) & SQL Services. WFs are hosted directly inside a runtime provided by the .NET Services bit. More about Azure …         Currently only a sub-set of the existing WF (3.5) Activities are supported . However there are some extra ones there too, to take advantage of the Azure framework. Only Framework v 3.5 & v4.0 are supported at the moment & only XAML WF’s as well (deep sigh!). You can directly manage your workflow instances & types either through the Azure portal or via APIs on you client machine that talks to the Azure platform thru it’s Service Bus (this is Azure’s Controller Service). So either way you can  directly manage your workflow instance eg  Create, Suspend, Resume & Terminate … pretty cool! …. had to write a lot of extra code to do this in Rio  Well enough for now …….. we’re off to Vegas !  ...

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Manbag heaven ?

Oct 29, 08 Manbag heaven ?

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This year rather than give out the usual rucksack or laptop bags to all delegates MS have opted for …. you guessed it …. the “Manbag” So (Kieren) if you want to be one of 4000 developers sporting a shiny new “Manbag” then L.A. is clearly the place to be! Below we can see Faheem modelling the latest in “geek chic”, a lovely little black off the shoulder number we call the “Win7 Manbag” ……..     😀 ...

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WF & WCF 4.0

Oct 29, 08 WF & WCF 4.0

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The good news is that in the next version of the framework WF & WCF will be even more closely linked than in 3.5. In addition a lot of the plumbing & infrastructure code that I had to write for Rio should (in theory ;-D  ) be provided for us in a new toolset codenamed “Dublin”. This is a set of tools to extend IIS & the Windows App server to allowing us to look into persisted WFs & manage them a whole lot better, especially in the case where problems occur … as with all new stuff … we’ll see !! In addition there’s loads of cool new stuff in 4.0 that we really needed in 3.0 & 3.5 such as …….. Transactions can be flowed from one WF to another! The ability to run async calls without having to code up all the usual complexities True parallel Activity execution A new workflow type of “Flow”  Rules aren’t xml expressions now but full blown Activities … how that’s gonna work I have no idea !  ;-D The bad news is that they’ve completely re-written the WF Runtime & design tools from the ground up to the extent that existing (3.0 & 3.5) workflows & custom activities will have to go through a special “interop”...

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Topics Today

Oct 29, 08

Today we hope to cover :- WCF4.O: building wcb services with wf in microsoft .net 4.0 iis 7.0 and beyond: the microsoft web platform roadmap improving code quality and code anaysis Cloud services best practices ASP.net dynamic data WF 4.0 extending with custom...

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Windows 7

Oct 28, 08 Windows 7

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Day 2 of the PDC & MS give a detailed demo of Windows 7. Win7 is likely to be released in beta early next year. Like all of  MS’s new platforms & products they’re being positioned to be part  of the new “Cloud” technology with direct interfaces to Windows Live, the Live Framework (new .NET interface to the Cloud) & Mesh servies. Looks pretty cool & is being touted as being much faster than Vista … I guess time will tell ...

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Windows Azure is launched

Oct 27, 08 Windows Azure is launched

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1st day of PDC & MS announce the release of their new Windows Azure platform (part of what they are terming their new Cloud technology). It’s pretty cool and if it does what they say it’ll do then it will allow developers to pretty much scale their apps out across the globe as required. The concept is that Azure is a new operating system located in the Web tier that will allow developers to deploy & host their applications. Azure will be hosted by MS in DataCenters around the world. You’ll be able to specify how you scale out, how many servers , your band widths etc. The implications for the size and amounts of hardware & infrastructure that MS will need to provide for this is mind boggling! You’ll pay for the size of your Azure environment & amount of traffic that you expect. What we’ve seen is nothing less than MS completely re-orienting  their business model from being a systems/application provider to a global services provider …. HUGE !!! Another cool feature is the mesh services (part of Azure) This will allow the synching of data from multiple devices from Mobile phones to DBMS systems! [lots more of this to come in the next days!]...

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