Glossary
SNAP
SubNetwork Access Protocol. Internet protocol that operates between a network entity in the subnetwork and a network entity in the end system. SNAP specifies a standard method of encapsulating IP datagrams and ARP messages on IEEE networks.
SNMP
Simple Network Management Protocol. Protocol for communications between remote network management stations (like a management umbrella console) and managed network elements (such as Avaya Inc.’s devices). The management umbrella uses SNMP for network management and can manage all SNMP devices.
Socket
An addressable entity within a node connected to an AppleTalk network. Sockets are owned by software processes known as socket clients. An AppleTalk socket is similar in concept to a TCP/IP port.
Spanning Tree Protocol
Refer to STA on page 210.
STA
Spanning Tree Algorithm. The algorithm used by the Spanning Tree Protocol to create a spanning tree. The Spanning Tree Protocol (STP) is a bridge protocol that uses the STA to enable a learning bridge to dynamically work around loops in a network topology by creating a spanning tree. Bridges exchange BPDU messages with other bridges to detect loops, and then remove the loops by shutting down selected bridge interfaces.
Stack
A layered set of protocols which work together to provide a set of network functions. Each intermediate layer uses the layer below it to provide a service to the layer above.
Standalone Mode
An option to separate a module from the other modules in a device so that its bus is independent. This may be desirable, for example, if one module has exceptionally heavy traffic that might affect other modules.
Subnet
Short for subnetwork. A subnet is a portion of a network that shares a common address component. On TCP/IP networks, a subnet includes all devices whose IP addresses have the same prefix. For example, all devices with IP addresses that start with 133.100.100 are part of the same subnet.
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