H3C Technologies H3C SecBlade NetStream Cards - Manual (Page 341)

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SDLC Synchronous Data Link Control
SDMF Single Data Message Format
SDP Session Description Protocol
SDSL Symmetric Digital Subscriber Line
SDU Service Data Unit
SE Shared-Explicit
SEF
Severely Errored Frame
SF Super Frame
SF Signal Fail
SFC Stage Fabric Configuration Update
sFlow Sampled Flow
SFM Source-Filtered Multicast
SFP Small Form-factor Pluggable
SFP+ SFP Plus
SFTP Secure FTP
SHA Secure Hash Algorithm
SIP Session Initiation Protocol
SIPS SIP secure
SIP-T SIP for Telephones
SLA Service Level Agreement
SLAAC Stateless Address Autoconfiguration
SLC Service Logic Control
SLIC Subscriber Line Interface Circuit
SLIP Serial Line Internet Protocol
SMB Standby Main Board
SMTP Simple Mail Transfer Protocol
SNA System Network Architecture
SNAP Subnetwork Access Protocol
SNMP Simple Network Management Protocol
SNP Sequence Number PDUs
SNPA Subnetwork Point of Attachment
SNR Signal-to-Noise Ratio
SNTP Simple Network Transfer Protocol
SOH Section Overhead
SONET Synchronous Optical Network
SoO Site of Origin
SP Strict Priority
SP Service Provider