{
  "number": 5303,
  "title": "Three-Way Handshake for IS-IS Point-to-Point Adjacencies",
  "authors": [
    "D. Katz",
    "R. Saluja",
    "D. Eastlake 3rd"
  ],
  "published": "2008-10",
  "status": "Proposed Standard",
  "stream": "IETF",
  "area": "rtg",
  "working_group": "isis",
  "pages": 11,
  "formats": [
    "TXT",
    "HTML"
  ],
  "abstract": "The IS-IS routing protocol (Intermediate System to Intermediate System, ISO 10589) requires reliable protocols at the link layer for point-to-point links. As a result, it does not use a three-way handshake when establishing adjacencies on point-to-point media. This paper defines a backward-compatible extension to the protocol that provides for a three-way handshake. It is fully interoperable with systems that do not support the extension.\n\nAdditionally, the extension allows the robust operation of more than 256 point-to-point links on a single router.\n\nThis extension has been implemented by multiple router vendors; this paper is provided to the Internet community in order to allow interoperable implementations to be built by other vendors. [STANDARDS-TRACK]",
  "keywords": [
    "intermediate system to intermediate system"
  ],
  "draft": "draft-ietf-isis-rfc3373bis-01",
  "doi": "10.17487/RFC5303",
  "errata_url": "https://www.rfc-editor.org/errata/rfc5303",
  "obsoletes": [
    "RFC3373"
  ],
  "urls": {
    "html": "https://rfc.dk/rfc5303/",
    "text": "https://rfc.dk/rfc5303.txt",
    "rfc_editor": "https://www.rfc-editor.org/rfc/rfc5303",
    "datatracker": "https://datatracker.ietf.org/doc/rfc5303/"
  },
  "text_modified": "2008-10-02T23:07:07Z"
}