Term
Abbreviation
or Acronym
service level agreementSLA
Serial Line Address Resolution ProtocolSLARP
Service line moduleSM
single-mode fiberSMF
switch management moduleSMM
Subnetwork Access Protocol; subnetwork attachment pointSNAP
SMDS network interfaceSNI
Simple Network Management ProtocolSNMP
subnet point of attachmentSNPA
Simple Network Time ProtocolSNTP
small outline dual inline memory moduleSODIMM
Synchronous Optical NetworkSONET
security policy databaseSPD
shortest path firstSPF
security parameter indexSPI
strict-priority queuesSPQ
soft permanent virtual circuitSPVC
Structured Query LanguageSQL
switch route processorSRP
source-rooted treeSRT
Service Selection Center (no longer used; see SDX)SSC
Secure ShellSSH
short sequence numberSSN
Synchronous Transport moduleSTM
switched virtual circuitSVC
stacked virtual local area networkS-VLAN
synchronize (bit)SYN
T
â– 567
Appendix A: Abbreviations and Acronyms