Yossi Dahan
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Programmatic access to Azure usage data

An exciting announcement, on a boring sort of topic, landed on my mailbox just now – finally the Azure usage details, so far only available as a download through the Azure Enterprise Portal, has been made available via a REST API ... >>> More

Written by Yossi Dahan at 00:00

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Using AD for authentication between Web app and Web API

In my earlier post about the problem with ACS I promised to blog about how to configure Microsoft Azure Active Directory (MaaD) to support a client app calling a Web API using a client secret (as opposed to presenting an authentication dialogue to an interactive user). >>> More

Written by Yossi Dahan at 00:00

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The problem with ACS...

The problem with ACS ... is that it currently has no published SLAs and there’s no out-of-the-box solution for Disaster Recovery in an active scenario (as in – web services, REST services)

 

Let me expand on these two points... >>> More

Written by Yossi Dahan at 00:00

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Caution required with BizTalk’s SB-Messaging adapter

Caution road sign

BizTalk 2013 ships with a native adapter for the Windows Azure Service Bus – the SB-Messaging adapter.

 

The adapter provides a very easy to use approach to receiving and sending messages to and from a service bus queue/topic/subscription but, as it turns out, it might be that it is a little bit simplistic or – at the very least – some caution is required >>> More

Written by Yossi Dahan at 00:00

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Guest OS support lifecycle on Windows Azure

Guest Badge

The latest Windows Azure newsletter provides an answer to a question I am regularly asked, and never have a concrete answer for; "How long will Azure support a guest operating system ?" >>> More

Written by Yossi Dahan at 00:00

Role-based authorisation with Windows Azure Active Directory

Using Window Azure Active Directory (WaaD) to provide authentication for web applications hosted anywhere is dead simple. Indeed in Visual Studio 2013 it is a couple of steps in the project creation wizard.

 

This provides means of authentication but not authorisation, so what does it take to support authorisation is the [Authorise(Role=xxx)] approach?

Written by Yossi Dahan at 00:00

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Windows Azure Private Network behaviour change

Road Sign Bend

I’ve learnt today that IP routing on Windows Azure when a private network (VPN) is configured has changed recently (not quite sure exactly when, but in the last few weeks I suspect) in a way that can be quite dramatic to many.

 

Previously, as soon as a site-to-site VPN was configured on a virtual network on Windows Azure, all outbound traffic from the network got routed through the VPN. >>> More

Written by Yossi Dahan at 00:00

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Design apps for cost of cloud ?

House Cost

In an event on Windows Azure we ran earlier in the year my colleague Charles Young discussed some practical points to consider when designing solutions to run on Windows Azure one of which was - "be cost aware, not cost fanatical" or - "don’t distort your design to cost-driven-design".

 

I thought this point is very true and the clarity and visibility that cloud brings with regards to cost that rarely exists for on-premises solution does risk muddying the water somewhat. Pragmatic teams would weigh in additional costs associated with better design with long term benefits, but I can see how this can go wrong for some. >>> More

Written by Yossi Dahan at 00:00

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IP addresses in Azure

IP 4 Address

Every now and again customers bring up the need to configure rules in firewalls (their own or, more typically, 3rd parties’) to allow accepting incoming requests from specific roles on Windows Azure. This post is a summary of the behaviour of instances on Azure with regards to IP Addresses presented. >>> More

Written by Yossi Dahan, Ian McQueen at 00:00

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Reflections on BizTalk Services

Car mirror

I had the pleasure of spending some more time this week with some integration legends – Richard Seroter, Michael Stephenson, Steef-Jan Wiggers, Sam Vanhoutte and Saravana Kumar amongst others. >>> More

Written by Yossi Dahan at 00:00

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