Using the Redirector :: Advanced Options

Enable Nagle Algorithm

The Nagle algorithm is a method employed by the Windows TCP/IP stack to coalesce small TCP/IP packets. This can affect the packetization and arrival time of data between the redirector and the server.

To change the setting

In the Serial/IP Control Panel:

Click Advanced.
Select the Options tab.
Select the Enable Nagle Algorithm check box.
Click OK to record the setting.

This setting affects all Serial/IP COM ports that are subsequently opened.

Settings

Enabled (default)

The TCP/IP stack operates under its default setting (Nagle enabled).

Disabled

The redirector disables the use of the Nagle algorithm in the TCP/IP stack.

Tips

The purpose of the Nagle algorithm is to provide better network efficiency while imposing a minor latency on the data stream while it waits to fill network packets. For most applications, this effect is transparent.

For applications that are especially sensitive to data timing, however, the Nagle algorithm may cause application errors that can be solved by clearing Enable Nagle Algorithm. Examples include applications that send short messages and wait for an acknowledgement.

Notes

This is a global option that affects all Serial/IP COM ports.

Currently open ports are unaffected.