Can I improve Mac-to-Mac performance with a physical connection?

I’m using a Luna Display with a 2017 MBP as my primary display and a 2015 5k iMac as my secondary. I’m reasonably happy with how it has performed since I got it this week, but it’s sometimes noticably sluggish.

Is it possible to improve performance by directly networking the machines together? Maybe with a thunderbolt 2 cable or ethernet cable? (Either of those would require an adapter for my MBP, so I want to know if it will work before purchasing those parts.)

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Just want to type my own update here, since I heard back from support over email that it is possible to directly network computers for better performance, but the tricky part is forcing Luna Display to use that connection.

Apparently it’s possible to do using manual connect and specifying the IP, but that’s not ideal. They’re exploring intelligently detecting that connect, but don’t have a timeline on that functionality.

Will update again if I end up picking up the cables to try this with the manual connect.

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