In
computer networking
A computer network is a set of computers sharing resources located on or provided by network nodes. The computers use common communication protocols over digital interconnections to communicate with each other. These interconnections are ma ...
, Semaphore Flag Signaling System (SFSS) is a humorous proposal to carry
Internet Protocol
The Internet Protocol (IP) is the network layer communications protocol in the Internet protocol suite for relaying datagrams across network boundaries. Its routing function enables internetworking, and essentially establishes the Internet.
IP h ...
(IP)
traffic
Traffic comprises pedestrians, vehicles, ridden or herded animals, trains, and other conveyances that use public ways (roads) for travel and transportation.
Traffic laws govern and regulate traffic, while rules of the road include traffic ...
by
semaphores. Semaphore Flag Signaling System was initially described in RFC 4824, an
April Fools' Day RFC
April is the fourth month of the year in the Gregorian and Julian calendars. It is the first of four months to have a length of 30 days, and the second of five months to have a length of less than 31 days.
April is commonly associated with ...
issued by the
Internet Engineering Task Force
The Internet Engineering Task Force (IETF) is a standards organization for the Internet and is responsible for the technical standards that make up the Internet protocol suite (TCP/IP). It has no formal membership roster or requirements and a ...
edited by J. Hofmueller, et al. and released on
April Fools' Day
April Fools' Day or All Fools' Day is an annual custom on 1 April consisting of practical jokes and hoaxes. Jokesters often expose their actions by shouting "April Fools!" at the recipient. Mass media can be involved in these pranks, which may ...
2007. It is one of several April 1 RFCs.
Reference implementation
A
reference implementation
In the software development process, a reference implementation (or, less frequently, sample implementation or model implementation) is a program that implements all requirements from a corresponding specification. The reference implementation o ...
of IP over SFS has been done by the authors of the RFC within the project "Talking the Fish".
An email was transmitted using SMTP over Semaphore Flag Signals.
Talking the Fish
/ref>
See also
*IP over Avian Carriers
In computer networking, IP over Avian Carriers (IPoAC) is a joke proposal to carry Internet Protocol (IP) traffic by birds such as homing pigeons. IP over Avian Carriers was initially described in issued by the Internet Engineering Task Forc ...
, a similar humorous proposal
*Semaphore
Semaphore (; ) is the use of an apparatus to create a visual signal transmitted over distance. A semaphore can be performed with devices including: fire, lights, flags, sunlight, and moving arms. Semaphores can be used for telegraphy when arra ...
, for other kinds of semaphores
*Victorian Internet
''The Victorian Internet: The Remarkable Story of the Telegraph and the Nineteenth Century's On-Line Pioneers'' is a 1998 book by Tom Standage. The book was first published in September 1998 through Walker & Company and discusses the development a ...
, for the serious relation between semaphore and the internet
*Free-space optical communication
Free-space optical communication (FSO) is an optical communication technology that uses light propagating in free space to wirelessly transmit data for telecommunications or computer networking. "Free space" means air, outer space, vacuum, or ...
, a more effective method of high-speed communication using visible light in free space
* Optical telegraph
An optical telegraph is a line of stations, typically towers, for the purpose of conveying textual information by means of visual signals. There are two main types of such systems; the semaphore telegraph which uses pivoted indicator arms and ...
References
{{DEFAULTSORT:Semaphore Flag Signaling System
Semaphore
Semaphore (; ) is the use of an apparatus to create a visual signal transmitted over distance. A semaphore can be performed with devices including: fire, lights, flags, sunlight, and moving arms. Semaphores can be used for telegraphy when arra ...
Internet architecture
Link protocols
Physical layer protocols
Wireless networking
2007 hoaxes