SearchVarnish High Availability
Varnish High Availability (VHA) is a content replicator for Varnish Enterprise. The latest version, Varnish High Availability 6, performs direct API-based cache-to-cache transfers without needing VCL context. VHA6 is available in the varnish-plus-ha package starting in Version 6.0.3r6.
For the legacy version of VHA, click here.