New Request for Comments are now available from SRI's Network Information Systems Center in the online library at FTP.NISC.SRI.COM. Note: These are PostScript RFCs, secondary versions are available in ASCII. The secondary ASCII versions may lack figures and the information encoded in typographic variation (italics, boldface, etc.). Since this information often provides essential context, the ASCII versions are at best incomplete and at worst misleading. Anyone expecting to understand these documents is strongly encouraged to obtain the PostScript versions. RFC 1245: Title: OSPF Protocol Analysis Author: J. Moy, Editor Mailbox: jmoy@proteon.com PS-Pages: 15 ASCII-Pages: 12 PS-Characters: 62,009 ASCII-Characters: 26,819 Obsoletes/Updates: none pathname: rfc/rfc1245.ps This is the first of two reports on the OSPF protocol. These reports are required by the IAB/IESG in order for an Internet routing protocol to advance to Draft Standard Status. OSPF is a TCP/IP routing protocol, designed to be used internal to an Autonomous System (in other words, OSPF is an Interior Gateway Protocol). Version 1 of the OSPF protocol was published in RFC 1131. Since then OSPF version 2 has been developed. Version 2 has been documented in RFC 1247. The changes between version 1 and version 2 of the OSPF protocol are explained in Appendix F of RFC 1247. It is OSPF Version 2 that is the subject of this report. This report attempts to summarize the key features of OSPF V2. It also attempts to analyze how the protocol will perform and scale in the Internet. This memo provides information for the Internet community. It does not specify any Internet standard. Distribution of this memo is unlimited. RFCs can be obtained via FTP from FTP.NISC.SRI.COM, NIS.NSF.NET, or NISC.JVNC.NET. These RFCs can be obtained via FTP from FTP.NISC.SRI.COM, with the pathname rfc/rfcnnnn.ps. Login with FTP username "anonymous" and password "guest". SRI also provides an automatic mail service for those sites which cannot use FTP. Address the request to MAIL-SERVER@NISC.SRI.COM and in the body of the message indicate the RFC to be sent: "send rfcnnnn.ps" where nnnn is the RFC number. Multiple requests may be included in the same message by listing the "send" commands on separate lines. To obtain a PostScript RFC, specifically indicate the ".ps" extension: "send rfc1131.ps". To obtain RFCs from NIS.NSF.NET via FTP, login with username "anonymous" and password "guest"; then connect to the RFC directory ("cd RFC"). The file name is of the form RFCnnnn.PS-1 (where "nnnn" refers to the number of the RFC). The NIS also provides an automatic mail service for those sites which cannot use FTP. Address the request to NIS-INFO@NIS.NSF.NET and leave the subject field of the message blank. The first line of the text of the message must be "SEND RFCnnnn.PS-1", where nnnn is replaced by the RFC number. RFCs can also be obtained via FTP from NISC.JVNC.NET, with the pathname rfc/RFCnnnn.PS.v (where "nnnn" refers to the number of the RFC and "v" refers to the version number of the RFC). Login with FTP, username "anonymous" and your e-mail address as your password. JvNCnet also provides a mail service for those sites which cannot use FTP. Address the request to SENDRFC@JVNC.NET and in the subject field of the message indicate the RFC number, as in "Subject: RFCnnnn.PS" where nnnn is the RFC number. Please note that RFCs whose number are less than 1000 need not place a "0". (For example, RFC932 is fine.) No text in the body of the message is needed. To obtain the ASCII version, substitute "TXT" for "PS" in the preceeding instructions. Requests for special distribution should be addressed to either the author of the RFC in question, or to NIC@NIC.DDN.MIL. Unless specifically noted otherwise on the RFC itself, all RFCs are for unlimited distribution. Submissions for Requests for Comments should be sent to POSTEL@ISI.EDU. Please consult RFC 1111, "Instructions to RFC Authors", for further information. Requests to be added to or deleted from this distribution list should be sent to RFC-REQUEST@NIC.DDN.MIL. Joyce K. Reynolds USC/Information Sciences Institute