FDDI

(redirected from fiddy)

FDDI

FDDI

FDDI

(Fiber Distributed Data Interface) Often pronounced "fiddy," it was a LAN and MAN access method that had its heyday in the mid-1990s. FDDI was an ANSI standard token passing network that transmitted 100 Mbps over optical fiber up to 10 kilometers. It included its own network management system and could optionally run over copper wire (CDDI) with distance limitations. FDDI II added circuit-switched service to this normally packet-switched technology in order to support isochronous traffic such as real-time voice and video.

Dual Rotating Rings
FDDI provided an optional dual counter-rotating ring topology that contained primary and secondary rings with data flowing in opposite directions. If a line broke, the ends of the primary and secondary rings were bridged together at the closest node to create a single ring again.

Single Attached and Dual Attached
Nodes could be configured as Single Attached Stations (SAS) connected to concentrators or as Dual Attached Stations (DAS) connected to both rings. Groups of stations were typically wired to concentrators connected in a hierarchical tree to the main ring. Large networks could be configured as a "dual ring of trees," in which the dual ring provided the backbone to which multiple hierarchies of concentrators were attached.


MIC Connector
FDDI used a dual-fiber MIC plug and socket for connection to devices.




MIC Connector
FDDI used a dual-fiber MIC plug and socket for connection to devices.
References in periodicals archive ?
Infatuated Fiddy, 42, even flirted with Helen at the Monte Carlo TV Festival.
Fiddy, 42, said he was dazzled by the Oscarwinning actress's beauty, style and confidence.
In a bizarre interview, Fiddy says he is hypnotised by the Oscar winner's beauty, style and confidence.
Dudley and Fiddy describe the electromagnetic properties of naturally occurring materials, and especially human-made or engineered metamaterials, a phenomenon and field of study that arose as a combination of advances in fabrication capabilities and developments in the physical understanding of how matter interacts with electromagnetic waves.
The star, also known as Fiddy, boasts about his son's lavish birthday bashes, telling us: "When he was two, we had a Ferrari theme to the party.
HIPHOPBOOKs The Notorious BFG Rosemary's Baby Got Back Of mice and Eminem L'il Women Wuthering Aights The Count of Monte Cristal Fiddy shades of Dre All Quiet on the Kanye Western Fron The Fresh Prince and the Paupe r The Twerker in the Rye #HipHopBooks 1.
More than 150 people attended the Summit, which was kicked off by UK Partner, Michael Fiddy, who outlined some of the current risks and opportunities for investors and lenders in today's European restructuring market.
Levine kicks off the song, before Fiddy - real name Curtis Jackman - takes the mic, followed by Eminem, whose quickfire rapping undoubtedly steals the show.
Then unleashed conditions," the New York Post quoted Fiddy as tweeting on Thursday.
Now this is going to be interesting: 50 Cent's rumoured ex, Ciara, is the latest name to be added to the line-up of Atelier/Festival -- headlined by Fiddy himself.
Fiddy also copped to having a cat named "Gayle," presumably after Oprah's longtime friend Gayle King.