Brief calls subnetMemberId "the member's L2PS/RSA identity within the subnet". L2PS already publishes a stable fingerprint of the RSA key — we reuse that so the value is derivable on both sides without a separate registry.
Brief calls subnetMemberId "the member's L2PS/RSA identity within the subnet". L2PS already publishes a stable fingerprint of the RSA key — we reuse that so the value is derivable on both sides without a separate registry.