1151| Glossary of Terms AOS-W 6.5.3.x| User Guide
modem racks, and more. It is used mostly in network management systems to monitor network-attached
devices for conditions that warrant administrative attention.
SNMPv1
Simple Network Management Protocol version 1. SNMPv1 is a widely used network management protocol.
SNMPv2
Simple Network Management Protocol version 2. SNMPv2 is an enhanced version of SNMPv1, which includes
improvements in the areas of performance, security, confidentiality, and manager-to-manager
communications.
SNMPv2c
Community-Based Simple Network Management Protocol version 2. SNMPv2C uses the community-based
security scheme of SNMPv1 and does not include the SNMPv2 security model.
SNMPv3
Simple Network Management Protocol version 3. SNMPv3 is an enhanced version of SNMP that includes
security and remote configuration features.
SNR
Signal-to-Noise Ratio. SNR is used for comparing the level of a desired signal with the level of background
noise.
SNTP
Simple Network Time Protocol. SNTP is a less complex implementation of NTP. It uses the same , but does not
require the storage of state over extended periods of time.
SOAP
Simple Object Access Protocol. SOAP enables communication between the applications running on different
operating systems, with different technologies and programming languages. SOAP is an XML-based
messaging protocol for exchanging structured information between the systems that support web services.
SoC
System on a Chip. SoC is an Integrated Circuit that integrates all components of a computer or other
electronic system into a single chip.
source NAT
Source NAT changes the source address of the packets passing through the router. Source NAT is typically
used when an internal (private) host initiates a session to an external (public) host.
SSH
Secure Shell. SSH is a network protocol that provides secure access to a remote device.
SSID
Service Set Identifier. SSID is a name given to a WLAN and is used by the client to access a WLAN network.
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