WAN Technologies
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WAN Technologies

IN THIS TOPIC:  EXPERT TECHNICAL ADVICE (44) , REFERENCE & LEARNING (8) , NEWS (10) , BEST WEB LINKS (1) , DEFINITIONS (39)

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wavelength-division multiplexing
24 Jul 2001
WORD - Wavelength-division multiplexing (WDM) is a method of combining multiple signals on laser beams at various infared (IR) wavelengths for transmission along fiber optic media. Each laser is modulated by an independent set of ...
Next Steps in Signaling
09 May 2007
WORD - NSIS (Next Steps in Signaling) is an evolving communication protocol intended to facilitate signaling at the Transport layer, using a two-level model to support diverse services and resources. Like the similar RSVP (Resource ...
32-bit IP addressing
21 Mar 2007
WORD - 32-bit IP addressing is the IP address scheme used in Internet Protocol 4 (IPv6 uses a 128-bit system). In IPv4, an IP address is a 32-bit number that identifies each sender or receiver of information that is sent in ...
WAN
23 Feb 2004
WORD - What is a WAN?A wide area network (WAN) is a geographically dispersed telecommunications network. The term distinguishes a broader telecommunication structure from a local area network (LAN). A wide area network may be ...
coarse wavelength division multiplexing
21 Oct 2004
WORD - Coarse wavelength division multiplexing (CWDM) is a method of combining multiple signals on laser beams at various wavelengths for transmission along fiber optic cables, such that the number of channels is fewer than in dense ...
virtual private LAN service
29 Sep 2003
WORD - Virtual private LAN service (VPLS) is a technology that makes it possible to connect local area networks (LANs) over the Internet, so that they appear to subscribers like a single Ethernet LAN. A VPLS uses multiprotocol label ...
segmentation and reassembly
03 Oct 2002
WORD - In a packet-switched telecommunication network, segmentation and reassembly (SAR, sometimes just referred to as segmentation) is the process of breaking a packet into smaller units before transmission and reassembling them ...
automatic repeat request
03 Jan 2002
WORD - Automatic repeat request (ARQ) is a protocol for error control in data transmission. When the receiver detects an error in a packet, it automatically requests the transmitter to resend the packet. This process is repeated ...
Multicast Dissemination Protocol
28 Aug 2001
WORD - The Multicast Dissemination Protocol (MDP) is a communications protocol for one-to-many transmissions in wired or wireless networks. Multicast protocols are used for such applications as group conferencing or online ...
Resilient Packet Ring
08 Jun 2002
WORD - Resilient Packet Ring (RPR) is a network topology being developed as a new standard for fiber optic rings. The Institute of Electrical and Electronic Engineers (IEEE) began the RPR standards (IEEE 802.17) development project ...


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