A certain number of devices that are running IGEL OS in your company regularly need to be updated. If every device accesses the main update server individually, maybe even over a great geographical distance, the update could take quite a long time and might overload the entire connection.
Set up one of your devices as a so-called buddy update server. In the future, only this client will access the main server to download the updates. All other clients access the local buddy update server from within the network and will no longer offload the network outside.
For the configuration details, see: