From a technical perspective, the GB28181 protocol has separate signaling and media streams, enabling on-demand data upload to the cloud. In contrast, the RTMP protocol has no signaling control and starts uploading data to the cloud immediately after a device is registered with the platform. RTMP is commonly used in live streaming scenarios and is typically controlled through desktop software. Cameras generally do not perform control by default. Unless custom development is implemented, data upload remains uninterrupted, significantly increasing upstream network consumption.
From a feature perspective, the GB28181 protocol supports PTZ control, zoom/focus, and cloud-based access to device local recordings. The RTMP protocol cannot implement these control features.
From a practical perspective, most camera devices, especially those from mainstream manufacturers, are mandated to support the GB28181 protocol, while few support the RTMP protocol. Therefore, it is recommended to make a selection based on required capabilities and overall costs.
Why Do I Need to Provide My Own Domain Name with ICP Filing?
According to the provisions of the State Council Order No. 292 "Measures for the Administration of Internet Information Services" and the Ministry of Industry and Information Technology Order No. 33 "Measures for the Administration of Filing of Non-Commercial Internet Information Services", the state implements a licensing system for commercial Internet information services and a filing system for non-commercial Internet information services. Those who have not obtained a license or have not fulfilled the filing procedures shall not engage in Internet information services, otherwise it constitutes an illegal act. Therefore, a self-owned domain that has not completed filing cannot be used to access platform services. Please apply for domain filing as soon as possible. You can register a domain through Tencent Cloud Domains. If you are filing for the first time, see First-Time Domain Filing.
Note:
The platform generates corresponding live/playback URL addresses for each device's video channel. The domain part of the URL must be an ICP-registered domain in the Chinese mainland provided by the customer, to meet the requirements for integration into customer platforms or cross-platform playback.
The platform does not limit the domain type. The domain can be an enterprise or personal domain, or a wildcard domain (with a wildcard character, for example, *.ivc.com).
Why Do I Need to Upload an SSL Certificate?
SSL Certificates, also known as digital certificates, can switch a site from HTTP (Hypertext Transfer Protocol) to HTTPS (Hyper Text Transfer Protocol over Secure Socket Layer), which is an encrypted version of HTTP that transmits data securely based on the Secure Socket Layer (SSL). This is a platform policy designed to effectively ensure data transmission security.
Note:
Certificates are not limited to any specific CA (Certificate Authority). It is recommended to select the Nginx type. If you do not have a digital certificate, you can apply for a free or paid certificate at Tencent Cloud SSL Certificates.
Does the Platform Support Accessing Device-Side Recordings?
Yes, this is supported as long as the NVR hard disk has stored recordings (referred to as device local recording). You can use the recording playback feature to retrieve and play the recordings on the platform side. This is also supported if the IPC camera is equipped with an SD/TF memory card. However, this data is not uploaded to the cloud for storage.
Note:
Retrieving device local recording follows a link similar to live streaming and also generates uplink and downlink network consumption.
If you want to upload device local recording to the cloud for long-term backup storage, you can use the recording upload to cloud plan feature.
Is the Time Displayed on the Camera Consistent with the Timestamp in the Media Stream?
They are inconsistent. Media streams generally use different container formats (PS \\ FLV, and so on), and the encapsulated data packets contain timestamp information. However, timestamp information is basically "relative time", which is commonly used for playback control and audio-video synchronization, and is not real "absolute time" in nature. The time displayed on the camera image is real "absolute time".
Billing
How to Understand and Calculate Concurrent Playback Streams?
How to Estimate Cloud Storage Usage?
Network billing offers two flexible modes: daily peak bandwidth and traffic. Can these modes be specified for individual devices?
No, the network billing mode applies to the network consumption generated by all devices under the account. However, you can flexibly switch it based on your business needs. For details, see Network Billing Mode Switch.
