Networking Terms - S

Samba

SAN - Storage Area Network, System Area Network

satellite (Internet)

SDH - Synchronous Digital Hierarchy (SONET)

SDSL - Symmetric DSL (Digital Subscriber Line)

segment

serial port

server

SFTP

SHDSL - Symmetric High-speed DSL (Digital Subscriber Line)

SIP - Session Initiation Protocol

SMB - Server Message Block

sniffer (network sniffer)

SNMP - Simple Network Management Protocol

What Is a Socket?
A socket is a software construction representing a single connection between two network applications. Network programmers typically use socket libraries like Berkeley Sockets or Winsock rather than coding directly to lower level socket APIs.

SONET - Synchronous Optical NETwork (SDH)

Spanning Tree Protocol

SS7 - Signaling System 7

SSH - Secure Shell

SSID - Service Set Identifier
An SSID is the public name of a wireless network. All of the wireless devices on a WLAN must employ the same SSID in order to communicate with each other. SSID stands for Service Set Identifier.

SSL - Secure Sockets Layer

subnet
A subnet is a logical grouping of connected network devices. When a subnet is properly implemented, both the performance and security of networks can be improved.

switch (network switch)

symmetric