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Security and Horsepower with App Service: The New Isolated Offering

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The Discussion

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    Will D series vms ever be available for regular app services?

  • User profile image

    @Tom: Yes - they are available now in Preview. See the following blog post for more info:

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    Can the VNET used for isolated app service be connected to an on-prem network via ExpressRoute? If so, does the VNET still require direct outbound access to Azure or is it OK to use a default route that directs all outbound traffic on-prem?

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    @Bill:Hi Bill, The VNet used to host an ASE can be connected to on premises using ExpressRoute but it still requires you to allow it to go direct to the internet. Read for more information.  

    That said, we are about complete and public with an ability to let you add your own egress IPs to the ASE which could be your on premises gateways/NATs, etc.  The disclaimer to that is you need to keep latency in mind.  That is to say you do not want to send traffic to on premises across the ocean and back.   

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    Majid H

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    I was kind of hoping for clarification around whether the Isolated service is completely a single-tenant solution at the physical level for compute. I get that the VM is dedicated but what about the underlying CPU sockets (e.g. L1-L3 caches which are shared across multiple CPU cores (esp. L3).  I need NO potential exposure to other tenant code on a physical level.

    Having been a service provider I'm suspicious about "what is left out" of the message because you can't be sure if there is intentional "shaping" of the comments (e.g. leave the customer to draw the wrong conclusions "oops").

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    @brownjohn00:The App Service VMs are all dedicated to a single tenant - but they run using the underlying pool of Azure physical hardware - so not bare metal.

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