@misc{rfc5243,
    series =    {Request for Comments},
    number =    5243,
    howpublished =  {RFC 5243},
    publisher = {RFC Editor},
    doi =       {10.17487/RFC5243},
    url =       {https://www.rfc-editor.org/info/rfc5243},
    author =    {Richard Ogier},
    title =     {{OSPF Database Exchange Summary List Optimization}},
    pagetotal = 5,
    year =      2008,
    month =     may,
    abstract =  {This document describes a backward-compatible optimization for the Database Exchange process in OSPFv2 and OSPFv3. In this optimization, a router does not list a Link State Advertisement (LSA) in Database Description packets sent to a neighbor, if the same or a more recent instance of the LSA was listed in a Database Description packet already received from the neighbor. This optimization reduces Database Description overhead by about 50\% in large networks. This optimization does not affect synchronization, since it only omits unnecessary information from Database Description packets. This memo provides information for the Internet community.},
}