In one example, there is disclosed a domain master for a data exchange layer (DXL), including: a hardware platform configured to execute instructions; and one or more memories having stored thereon instructions to instruct the hardware platform to: communicatively couple to the DXL; provide a DXL messaging service including native support for request-response (1:1) transactions via a publish-subscribe (1:N, N1) fabric; provide DXL domain master services for a DXL domain; and provide DXL-based real-time policy and task distribution for DXL endpoints of the DXL domain.
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