Frame Relay
< communications> A DTE- DCE interface specification based on LAPD (Q.921), the Integrated Services Digital Network version of LAPB ( X.25 data link layer). A common specification was produced by a consortium of StrataCom, Cisco, Digital, and Northern Telecom. Frame Relay is the result of wide area networking requirements for speed LAN- WAN and LAN-LAN internetworking "bursty" data communications multiplicity of protocols and protocol transparency. These requirements can be met with technology such as {optical fibre} lines, allowing higher speeds and fewer transmission errors intelligent network end devices ( personal computers, workstations, and servers) standardisation and adoption of ISDN protocols. Frame Relay could connect dedicated lines and X.25 to ATM, SMDS, BISDN and other " fast packet" technologies. Frame Relay uses the same basic data link layer framing and Frame Check Sequence so current X.25 hardware still works. It adds addressing (a 10-bit Data Link Connection Identifier (DLCI)) and a few control bits but does not include retransmissions, link establishment, windows or error recovery. It has none of X.25' s session layer but adds some simple interface management. Any network layer protocol can be used over the data link layer Frames. {Frame Relay Resource Center (http://www.alliancedatacom.com/framerelay.asp)}. (2000-07-14) In addition suitable contents: [ 2 ] [ = ] [ ad ] [ address ] [ ag ] [ al ] [ am ] [ an ] [ ar ] [ arc ] [ as ] [ AT ] [ at ] [ ATM ] [ B ] [ b ] [ ba ] [ base ] [ be ] [ bi ] [ BISDN ] [ bit ] [ br ] [ by ] [ C ] [ ca ] [ cat ] [ CE ] [ Ch ] [ ch ] [ ci ] [ ck ] [ cl ] [ co ] [ com ] [ computer ] [ con ] [ connect ] [ cons ] [ control ] [ cu ] [ current ] [ cy ] [ D ] [ data ] [ Data Link Connection Identifier ] [ data link layer ] [ DC ] [ DCE ] [ dd ] [ de ] [ dedicated line ] [ device ] [ Digital ] [ DLC ] [ DLCI ] [ do ] [ DTE ] [ du ] [ E ] [ ec ] [ ed ] [ ee ] [ eg ] [ er ] [ error ] [ es ] [ et ] [ fas ] [ fi ] [ file ] [ fo ] [ for ] [ fr ] [ frame ] [ Frame Check Sequence ] [ ge ] [ gen ] [ gh ] [ gi ] [ gr ] [ gy ] [ h ] [ hardware ] [ hm ] [ hn ] [ hr ] [ ht ] [ Id ] [ id ] [ ie ] [ il ] [ in ] [ inc ] [ include ] [ int ] [ interface ] [ internet ] [ internetworking ] [ io ] [ ir ] [ IS ] [ is ] [ ISDN ] [ it ] [ ke ] [ ki ] [ la ] [ LAN ] [ LAP ] [ LAPB ] [ LAPD ] [ layer ] [ ld ] [ Lex ] [ li ] [ line ] [ link ] [ ls ] [ lt ] [ lu ] [ M ] [ ma ] [ man ] [ management ] [ MD ] [ mm ] [ mo ] [ mod ] [ module ] [ mp ] [ mu ] [ N ] [ na ] [ nc ] [ ne ] [ net ] [ network ] [ networking ] [ network layer ] [ ng ] [ ni ] [ nn ] [ no ] [ ns ] [ om ] [ op ] [ optical fibre ] [ option ] [ pa ] [ packet ] [ PD ] [ pe ] [ personal computer ] [ ph ] [ pl ] [ pr ] [ protocol ] [ pt ] [ Q ] [ query ] [ rc ] [ re ] [ requirements ] [ ro ] [ S ] [ sa ] [ sam ] [ sc ] [ SD ] [ se ] [ Seque ] [ serve ] [ server ] [ servers ] [ session ] [ session layer ] [ sh ] [ si ] [ sm ] [ SMDS ] [ so ] [ sort ] [ source ] [ spec ] [ specification ] [ st ] [ standard ] [ su ] [ T ] [ technology ] [ th ] [ TM ] [ to ] [ tp ] [ tr ] [ tt ] [ tw ] [ um ] [ us ] [ ve ] [ version ] [ vi ] [ WAN ] [ win ] [ workstation ] [ ws ] [ X ] [ X.25 ] [ ye ]
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