AVB (native) + Loopback (or any DAW) allow two Macs to use the same non AVB USB audio device (or aggregated devices) with just a regular ethernet cable between them, sending up
PDF] Ethernet MAC Verification with Loopback Mechanism using Efficient Verification Methodology | Semantic Scholar
Loopback
Loopback – Build A Cast
PDF] Ethernet MAC Verification with Loopback Mechanism using Efficient Verification Methodology | Semantic Scholar
Loopback extends Mac audio flexibility – Six Colors
Audio Hijack & Loopback Tutorial for Advanced Mac Recordings - YouTube