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AdminJohn From Azure IoT (Product Manager, Microsoft Azure)

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  1. 2 votes

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    1 comment  ·  Azure IoT (Hub, DPS, SDKs)  ·  Flag idea as inappropriate…  ·  Admin →
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    AdminJohn From Azure IoT (Product Manager, Microsoft Azure) commented  · 

    Thanks for filing this feedback. We've implemented retry logic on some SDKs (C, Node, C#, Python). The default policy is exponential backoff with jitter. Does that help with your use case?

  2. 2 votes

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    under review  ·  1 comment  ·  Azure IoT (Hub, DPS, SDKs)  ·  Flag idea as inappropriate…  ·  Admin →
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    AdminJohn From Azure IoT (Product Manager, Microsoft Azure) commented  · 

    Thanks Stu! So we can get an idea of the type of traffic we can see from this sort of pattern, what volume of devices would you expect to connect in such a way from your IoT solution?

  3. 46 votes

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    10 comments  ·  Azure IoT (Hub, DPS, SDKs)  ·  Flag idea as inappropriate…  ·  Admin →
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    AdminJohn From Azure IoT (Product Manager, Microsoft Azure) commented  · 

    Hi,

    There are some options to check for connectivity.

    If you need to know the connection state of few devices, you can implement a direct method (a "ping"). This is the most reliable way to test for connectivity for individual devices.

    If you need to query all devices of their state, we now replicate the connectionState in the device twin so you can query it as any other property. Please note that connectionState only works for AMQP and MQTT devices that use telemetry, and the twin can be updated with a few minutes delay.

    Unfortunately, checking for disconnection is a hard problem at scale (think about a gateway machine recycling and losing ~100k connections).

    It really depends on your scenario.

  4. 1 vote

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    need-feedback  ·  1 comment  ·  Azure IoT (Hub, DPS, SDKs)  ·  Flag idea as inappropriate…  ·  Admin →
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    AdminJohn From Azure IoT (Product Manager, Microsoft Azure) commented  · 

    Hi @alvipeo, can you please provide more details about the scenario you have in mind? Also are you thinking of an Azure IoT Edge module?

  5. 1 vote

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    need-feedback  ·  1 comment  ·  Azure IoT (Hub, DPS, SDKs)  ·  Flag idea as inappropriate…  ·  Admin →
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    AdminJohn From Azure IoT (Product Manager, Microsoft Azure) commented  · 

    Thank you for the feedback. From your use case, it seems like IoT Hub Device Provisioning Service is a good solution. See this blog for more details: https://azure.microsoft.com/en-us/blog/azure-iot-hub-device-provisioning-service-preview-automates-device-connection-configuration/

    Besides device registration, do you have other reasons for using .NET with other languages?

  6. 39 votes

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    7 comments  ·  Azure IoT (Hub, DPS, SDKs)  ·  Flag idea as inappropriate…  ·  Admin →
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    Folks, to help facilitate prioritizing this, please reply to Elio's request - which scenarios are being considered that are not currently supported by AMQP or MQTT that require HTTP/2?

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