HTTP/2
What Is HTTP/2?
Hypertext Transfer Protocol 2.0 (HTTP/2) uses a binary format for data transmission. It allows for much faster transmission and multiplexing. To reduce latency and improve efficiency, you can enable HTTP/2 when you add HTTPS listeners.
Constraints
You can enable HTTP/2 only for HTTPS listeners.
Managing HTTP/2
You can enable HTTP/2 when you add an HTTPS listener. You can enable or disable HTTP/2 for an existing HTTPS listener.
To enable HTTP/2 when adding an HTTPS listener, perform the following operations:
- Log in to the management console.
- In the upper left corner of the page, click
and select the desired region and project.
- Click
in the upper left corner to display Service List and choose Networking > Elastic Load Balance.
- Locate the load balancer and click its name.
- Under Listeners, click Add Listener.
- In the Add Listener dialog box, set Frontend Protocol to HTTPS.
- Expand Advanced Settings and enable HTTP/2.
- Confirm the configurations and go to the next step.
Figure 1 Enabling HTTP/2
- Log in to the management console.
- In the upper left corner of the page, click
and select the desired region and project.
- Click
in the upper left corner to display Service List and choose Networking > Elastic Load Balance.
- Locate the load balancer and click its name.
- Click Listeners, locate the listener, and click its name.
- On the Summary tab, click Edit on the top right.
- In the Edit dialog box, expand Advanced Settings and enable or disable HTTP/2.
- Click OK.
![](https://support.huaweicloud.com/intl/en-us/usermanual-elb/en-us_image_0000001865924249.png)
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