Term
Abbreviation
or Acronym
dynamic subscriber interfaceDSI
digital subscriber lineDSL
digital subscriber line access multiplexerDSLAM
domain-specific partDSP
data set readyDSR
Digital Signature StandardDSS
Daylight Saving TimeDST
data service unitDSU
data terminal equipmentDTE
data terminal readyDTR
downstream unsolicitedDU
Distance Vector Multicast Routing ProtocolDVMRP
data exchange interface (abbreviation pronounced “ dixie” )DXI
E
Extensible Authentication ProtocolEAP
external Border Gateway ProtocolEBGP
error checking and correction; error-checking codeECC
equal-cost multipathECMP
Encryption Control ProtocolECP
electrically erasable programmable read-only memoryEEPROM
expedited forwardingEF
egress forwarding ASICEFA
exterior gateway protocolEGP
EXP-inferred-PSC LSPE-LSP
European NormEN
early packet discardEPD
end systemES
electrostatic dischargeESD
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Appendix A: Abbreviations and Acronyms