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This is a partial list of RFCs (request for comments memoranda). A Request for Comments (RFC) is a publication in a series from the principal technical development and standards-setting bodies for the Internet, most prominently the Internet Engineering Task Force (IETF).
A subnet mask encodes the same information as a prefix length but predates the advent of CIDR. In CIDR notation, the prefix bits are always contiguous. Subnet masks were allowed by RFC 950 [6] to specify non-contiguous bits until RFC 4632 [5]: Section 5.1 stated that the mask must be left contiguous. Given this constraint, a subnet mask and ...
Procedural signs in Morse code are a form of control character.. A form of control characters were introduced in the 1870 Baudot code: NUL and DEL.The 1901 Murray code added the carriage return (CR) and line feed (LF), and other versions of the Baudot code included other control characters.
PCL 5 was released on the HP LaserJet III [2] in March 1990, adding Intellifont font scaling (developed by Compugraphic, now part of Agfa), outline fonts and HP-GL/2 (vector) graphics. PCL 5e (PCL 5 enhanced) was released on the HP LaserJet 4 [ 2 ] in October 1992 and added bi-directional communication between the printer and the PC and Windows ...
However, while significant enhancements have been made and proposed over the years, its most basic operation has not changed significantly since its first specification RFC 675 in 1974, and the v4 specification RFC 793, published in September 1981. RFC 1122, published in October 1989, clarified a number of TCP protocol implementation requirements.
High-Level Data Link Control (HDLC) is a communication protocol used for transmitting data between devices in telecommunication and networking.Developed by the International Organization for Standardization (ISO), it is defined in the standard ISO/IEC 13239:2002.
The RFC series contains three sub-series for IETF RFCs: BCP, FYI, and STD. Best Current Practice (BCP) is a sub-series of mandatory IETF RFCs not on standards track. For Your Information (FYI) is a sub-series of informational RFCs promoted by the IETF as specified in RFC 1150 (FYI 1). In 2011, RFC 6360 obsoleted FYI 1 and concluded this sub-series.
In the Domain Name System, a LOC record (experimental RFC 1876) [1] is a means for expressing geographic location information for a domain name. It contains WGS84 Latitude, Longitude and Altitude (ellipsoidal height) information together with host/subnet physical size and location accuracy. This information can be queried by other computers ...