Skip to content

Commit 8a58136

Browse files
committed
December freshness (6/11)
1 parent 80159ec commit 8a58136

File tree

1 file changed

+2
-2
lines changed

1 file changed

+2
-2
lines changed

articles/iot-hub/iot-hub-devguide-d2c-guidance.md

Lines changed: 2 additions & 2 deletions
Original file line numberDiff line numberDiff line change
@@ -7,7 +7,7 @@ ms.author: kgremban
77
ms.service: iot-hub
88
services: iot-hub
99
ms.topic: conceptual
10-
ms.date: 01/29/2018
10+
ms.date: 12/27/2022
1111
ms.custom: [amqp, mqtt, 'Role: Cloud Development', 'Role: IoT Device']
1212
---
1313

@@ -30,7 +30,7 @@ Here is a detailed comparison of the various device-to-cloud communication optio
3030
| Scenario | Telemetry time series and alerts. For example, 256-KB sensor data batches sent every 5 minutes. | Available capabilities and conditions. For example, the current device connectivity mode such as cellular or WiFi. Synchronizing long-running workflows, such as configuration and software updates. | Video or other large media files. Large (typically compressed) telemetry batches. |
3131
| Storage and retrieval | Temporarily stored by IoT Hub, up to 7 days. Only sequential reading. | Stored by IoT Hub in the device twin. Retrievable using the [IoT Hub query language](iot-hub-devguide-query-language.md). | Stored in user-provided Azure Storage account. |
3232
| Size | Up to 256-KB messages. | Maximum reported properties size is 32 KB. | Maximum file size supported by Azure Blob Storage. |
33-
| Frequency | High. For more information, see [IoT Hub limits](iot-hub-devguide-quotas-throttling.md). | Medium. For more information, see [IoT Hub limits](iot-hub-devguide-quotas-throttling.md). | Low. For more information, see [IoT Hub limits](iot-hub-devguide-quotas-throttling.md). |
33+
| Frequency | High. For more information, see [IoT Hub quotas and throttling](iot-hub-devguide-quotas-throttling.md). | Medium. For more information, see [IoT Hub quotas and throttling](iot-hub-devguide-quotas-throttling.md). | Low. For more information, see [IoT Hub quotas and throttling](iot-hub-devguide-quotas-throttling.md). |
3434
| Protocol | Available on all protocols. | Available using MQTT or AMQP. | Available when using any protocol, but requires HTTPS on the device. |
3535

3636
An application may need to send information both as a telemetry time series or alert and make it available in the device twin. In this scenario, you can choose one of the following options:

0 commit comments

Comments
 (0)