Enable end to end (QUIC) connection

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Splashtop supports end to end connection using QUIC protocol, which in some cases can improve the performance of the remote connection. Please be noted, per different firewall and network configuration, QUIC feature might not work in certain situations.

QUIC is a network protocol introduced by Google, and aims to provide much reduced latency remote connections, more details could be found on the wiki page.

 

Requirements

Endpoints:

  • Splashtop Business app 3.5.2.2 or later on Windows, Mac and iOS devices.
  • Splashtop streamer 3.5.2.2 or later on Windows, Mac devices.
  • Splashtop SOS app 3.5.2.2 or later on Windows, Mac and iOS devices.

OS version:

  • Windows 10 or later.
  • macOS 10.15 or later.

Products:

Currently available with Splashtop Business Access Pro, Solo, and SOS/SOS+10/SOS+unlimited.

 

Get started

Once enabling the QUIC, when establishing a remote session the Splashtop Business app will be best effort trying QUIC connection, and if it is not supported due to different firewall/network environments, the remote connection will be taking advantage of our relay servers, just like normal remote connections.

For unattended sessions:

On the computer list in the Splashtop Business app, click the gear icon of a computer profile. There will be a toggle to turn on QUIC.
QUIC_1_en-us.png

For attended sessions:

  • On Windows device, before you establish an SOS remote session, please go to File dropdown menu / Options / Advanced to check Enable QUIC for attended sessions.
    QUIC_2_en-us.png
  • On Mac device, the menu under Splashtop Business dropdown menu / Preferences / Advanced.
  • On iOS device, the menu is under Settings / Optimization.

 

How to verify if it is QUIC or normal relay protocol used in a remote session

  1. During the remote session, click the eye-like icon on the toolbar, then Performance Status
    QUIC_3_en-us.png
  2. In the status window, you can check the Connection type.
    QUIC_4_en-us.png

 

How to configure my router/firewall to support QUIC

Basically for both local and remote sides, and for both inbound and outbound rules on each side, the UDP connection has to be allowed within 

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