Cabletron Systems HSIM-W6 Installationsanleitung PDF herunterladen (Seite 57)

Glossary

HSIM-W84 Installation Guide D-5

Subnet Address — An extension of the Internet 32-bit addressing scheme that 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 transmission. IP provides for Network layer connectivity using connectionless

datagrams.

Telco Cloud — The “cloud” of switched virtual connections.

Telnet — Internet standard protocol for remote terminal emulation that allows a user to remotely

TFTP — Trivial File Transfer Protocol. A simpliﬁed version of the File Transfer Protocol (FTP)

allowing for ﬁle transfer between computers over a network.

Transparent Bridging — Bridging technique used in Ethernet networks that allows transfer of

frames across intermediate nodes using tables associating end nodes with bridging addresses.

Bridges are unknown to the end nodes.

UDP — User Datagram Protocol. A connectionless protocol used to pass packets across an

internet network, requiring no handshaking between source and destination.

Watchdog Frames — Frames sent out by servers to clients, under IPX, to verify that clients are

still logged on.

Wide Area Network — A communications network that is geographically dispersed thus

requiring links provided by communications carriers.

Workstation — Computer or terminal used by the systems administration or user.

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Cabletron Systems HSIM-W6 Installationsanleitung Seite 57