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Wavelength - Allstream
Wavelength - Allstream

... Allstream Wavelength offers customers a dedicated, point-topoint, bi-directional DWDM data connection at speeds of up to 100Gbps. DWDM is an optical technology used to increase bandwidth over existing fibre connections. It carries multiple protocols and works by combining and transmitting multiple s ...
Part I: Introduction - UMD Department of Computer Science
Part I: Introduction - UMD Department of Computer Science

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POE - Altex
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... • Wireless connection up to 300Mbps Create secure instant networks anywhere you receive mobile • Built-in Gigabit WAN Port broadband signal. Up to 600ft of WiFi range, supports up to 32 • 4 Simultaneous Gigabit Ethernet Ports WiFi connections at a time. Two WiFi networks: 1 private SSID, 1 public SS ...
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... • Responsible for the placement/removal of frames on the media • Communicates directly with the physical layer • If multiple devices on a single medium attempt to forward data simultaneously, the data will collide resulting in corrupted, unusable data • Ethernet provides a method for controlling how ...
Blending Photons with Electrons to Reduce the Energy Footprint of
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... to provide general event notification to nonadjacent nodes. Step 2. Each regional-core node then sends information on its active channels to the IPTV source. As the active channels are those being distributed by the regional-core router to its region, the multicast forwarding table of this router co ...
The Essential Guide for Wireless ISPs Broadband Wireless Access
The Essential Guide for Wireless ISPs Broadband Wireless Access

... Certain of the ISM frequency bands (including 2.4 and 5.8 GHz) are available for use by commercial entities. Such unlicensed facilities have relatively low power and small coverage footprints. In addition, because these systems are unlicensed, they are not protected from interference. Such interfere ...
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... ● Applications where multiple priority levels for different types of data are needed ● When an application must handle time critical data ● When you need to identify errors that can lead to network downtime ● When redundancy is required for high network availability ● When security requires access l ...
ML-SOR: Message routing using multi
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Optimal Spare Capacity Preconfiguration for Faster Restoration of
Optimal Spare Capacity Preconfiguration for Faster Restoration of

... paths in under 2 seconds, whereas centralized methods [5] require times on the order of minutes. The following method applies equally well to networks served by distributed or centralized restoration; bene® ts will accrue whenever the time required to implement crosspoint closures is a signi® cant c ...
The OSI Model: An Overview
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Ch. 9 – Basic Router Troubleshooting
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... of device status, then we approach problem discovery. As the complexity of discovery grows, it is harder to implement using classical client/server approaches. Mobile code is a convenient vehicle for performing discovery tasks (Schramm et al., [22]). While basic network discovery (node discovery alo ...
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... AODV [5] is an on-demand routing protocol built on the distance vector algorithm. When a source node desires to send a message to some destination node and does not already have a valid route, it initiates a path discovery process to erect a valid path. The source node floods a route request (RREQ) ...
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... terms of path cost inflation and number of route flaps – In Dual Rerouting, insuring that recovery will take place at the native layer first can be achieved by setting the native layer’s keepAlive-time to a value much smaller than that at the overlay layer ...
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... gateways). There are several options available for a practical software router, including X-Bone [16], Spines [17] and RON [18]. In our implementation we use the Spines overlay messaging system to provide multi-hop communication as it offers overlay multicast, anycast and unicast forwarding. We make ...
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3GPP TSG-SA2 Meeting #30
3GPP TSG-SA2 Meeting #30

... and which operators it holds roaming agreements with so that the UE can decide whether to attach to the network or not. TS 23.234 [1] suggests using the SSID (Service Set ID) in the beacon signal for 802.11. It is unclear exactly how this would work and by being specific to the individual standards ...
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Seamless Handoff Between Heterogeneous Wireless Networks

... SNR above CThresh, MT switches from WWAN to WLAN ...
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Computer network

A computer network or data network is a telecommunications network which allows computers to exchange data. In computer networks, networked computing devices exchange data with each other along network links (data connections). The connections between nodes are established using either cable media or wireless media. The best-known computer network is the Internet.Network computer devices that originate, route and terminate the data are called network nodes. Nodes can include hosts such as personal computers, phones, servers as well as networking hardware. Two such devices can be said to be networked together when one device is able to exchange information with the other device, whether or not they have a direct connection to each other.Computer networks differ in the transmission media used to carry their signals, the communications protocols to organize network traffic, the network's size, topology and organizational intent. In most cases, communications protocols are layered on (i.e. work using) other more specific or more general communications protocols, except for the physical layer that directly deals with the transmission media.Computer networks support applications such as access to the World Wide Web, shared use of application and storage servers, printers, and fax machines, and use of email and instant messaging applications.
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