GlossaryLocal Management User’s GuideE-5Serialization Frames — Frames sent out by servers under IPX to check whether illegal copies ofNetWare are in use on the network.Service Advertising Protocol — Protocol used in IPX for broadcasting information aboutservices available on the network, such as file servers, CD-ROM drives and modem pools.SNMP — Simple Network Management Protocol. A widely implemented Internet networkmanagement protocol that allows status monitoring, getting/setting of parameters for configurationand control of network devices, such as routers and bridges.Split B Channels — Each 64 Kbps ISDN B-channel can be used individually for a separate dataconnection.Spoofing — Spoofing is a technique used to remove poll and update service frames from WANlinks while ensuring that the network continues to operate normally. Spoofing is employed tominimize dial-up line connection time.Subnet Address — An extension of the Internet 32-bit addressing scheme that allows theseparation of physical or logical networks within the single network number assigned to anorganization. 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 particularsubnetwork.T1.617 — ANSI Frame Relay Data Link Layer specification for UNI.TCP/IP — Transmission Control Protocol/Internet Protocol. Refers to a set of internetworkingprotocols developed by the U.S. Department of Defense that define a two level layered approachfor interoperability. TCP provides a connection-oriented Transport layer ensuring end-to-endreliability in data transmission. IP provides for Network layer connectivity using connectionlessdatagrams.Telco Cloud — The “cloud” of switched virtual connections over a Wide Area Network (WAN).TELNET — Internet standard protocol for remote terminal emulation that allows a user toremotely log in to another device and appear as if directly connected.TFTP — Trivial File Transfer Protocol. A simplified version of the File Transfer Protocol (FTP)allowing for file transfer between computers over a network.