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Routing Protocols

  • Support for SR-IOV virtualization (JRR200)—Starting in Junos OS Release 21.1R1, the JRR200 route reflector uses single-root I/O virtualization (SR-IOV) instead of full virtualization (emulated I/O) for network ports. SR-IOV helps to maximize the I/O throughput on the 10GbE SFP+ ports.

    SR-IOV improves:

    • BGP convergence in a scaled environment.
    • Throughput performance for BGP RIB sharding.

    [See BGP sharding overview, rib-sharding, and update-threading.]