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ISDN Router 128
Serialization Frames
Frames sent out by servers under IPX to check whether illegal copies of
NetWare are in use on the network.
Service Advertising Protocol
Protocol used in IPX for broadcasting information about services available on
the network, such as file servers, CD-ROM drives, and modem pools.
SNMP
Simple Network Management Protocol. A widely implemented Internet
network management protocol that allows status monitoring, getting/setting
of parameters for configuration and control of network devices, such as
routers and bridges.
SPIDs
Service Profile Identifications. SPIDs, assigned by the ISDN service
provider, identify the services and features that the switch provides to the
ISDN device. Commonly implemented in the U.S. and Canada, the SPID is
often derived from the directory number.
Split B-Channels
Each 64Kbps ISDN B-channel can be used individually for a separate data
connection.
Spoofing
Spoofing is a technique used to remove poll and update service frames from
WAN links while ensuring that the network continues to operate normally.
Spoofing is employed to minimize dial-up line connection time.
Subnet Address
An extension of the Internet 32-bit addressing scheme which allows the
separation of physical or logical networks within the single network number
assigned to an organization. TCP/IP entities outside this organization have
no knowledge of the internal ‘subnetting’.
Subnet Mask
A 32-bit Internet protocol address mask used to identify a particular
subnetwork.
TCP/IP
Transmission Control Protocol/Internet Protocol. Refers to a set of
Internetworking protocols developed by the U.S. Department of Defense that
define a two level layered approach for interoperability. TCP provides a
connection-oriented transport layer ensuring end-to-end reliability in data