draft-ietf-isis-3way-02.txt: Three-way Handshake for IS-IS Point-to-Point Adjacencies
draft-ieft-isis-hmac-01.txt: IS-IS HMAC-MD5 Authentication
ISO 9542, "End System to Intermediate System Routing Exchange Protocol." For use in conjunction with ISO 8473. Also published as RFC 995.
ISO/8473/Add.3 Protocol for providing the connectionless-mode network service-Addendum 3: Provision of the underlying service assumed by the ISO 8473 over subnetworks, which provide the OSI data link service.