Benefits of keeping idle HTTP connections open

You should keep HTTP connections open even when client applications are idle to allow client applications to perform subsequent transactions over the open connection. Based on system measurements and integration experience, you should keep an HTTP connection open for a maximum of 10 minutes. The LDR service might automatically close an HTTP connection that is kept open and idle for longer than 10 minutes.

Open and idle HTTP connections provide the following benefits:

Determining how long to keep an idle connection open is a trade‐off between the benefits of slow start that is associated with the existing connection and the ideal allocation of the connection to internal system resources.