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Voice over IP (VoIP) over Satellite
Voice over IP (VoIP) over Satellite

... Jitter: Quantifies the effects of network delays on packets arriving at the receiver. Packets transmitted at equal intervals from the transmitting gateway arrive at the receiving gateway at irregular intervals. Excessive jitter has the effect of making speech choppy and difficult to understand. Jitt ...
Network Security - Chair of Network Architectures and Services
Network Security - Chair of Network Architectures and Services

...  As a packet filter protects one part of a network from another one, there is an implicit notion of the direction of traffic flow: • Inbound: The traffic is coming from an interface which is outside the protected network and its destination can be reached on an interface which is connected to the p ...
Slide 1
Slide 1

...  Nats are a solution for those organizations that use Non-routable IP addresses.  A NAT, normally part of a Firewall, is positioned between the Private Network and the Internet and: Dynamically translates the private IP address of an outgoing packet into an Internet IP address. Dynamically trans ...
ML-IP
ML-IP

... Resilient Fast Ethernet Ring ML-IP’s two uplink ports employ RAD’s Resilient Fast Ethernet Ring (RFER) technology to construct self healing 100-Mbps Fast Ethernet fiber or copper rings (ring resiliency functions similarly to that of STM-1 networks). In case of link failure on any segment of the ring ...
Explosion of the Internet of Things: What does it mean for wireless
Explosion of the Internet of Things: What does it mean for wireless

... • all information about the connection is contained in one single compact packet, no need to negotiate again after the link established •Optimization on acknowledgement scheme to ...
Optical Network Infrastructure for GRID
Optical Network Infrastructure for GRID

IEEE 802.11 based WLANs
IEEE 802.11 based WLANs

... from one station to another in uni-directional way. Advantages :  (1) Access method supports heavy load without statistical multiplexing degradation of performance because the medium is shared for pair-wise stations  (2) In practice several packets can simultaneous circulate between different pair ...
Optimal design of Kelly / Whittle network
Optimal design of Kelly / Whittle network

PPT - IIT Bombay
PPT - IIT Bombay

... field does not have to be fully covered, i.e., consider coverage instead of reachability? - This can be formulated as a problem in which discs of radii equal to the sensors' sensing range are dropped randomly to cover an area. It is very likely that the principle behind the usefulness of sparse netw ...
Merging SONET and Ethernet Communications for Power System
Merging SONET and Ethernet Communications for Power System

... Voice services are another example where Ethernet has proven itself to be a technology capable of meeting another class of utility communications requirements. Traditionally the domain of TDM, more and more voice services are moving to Voice-over-IP (VoIP) solutions. This leaves real-time teleprotec ...
18 DPI
18 DPI

... Topicality of the subject  Within increasing number of Internet users, different problems are going up on the ...
Name servers
Name servers

... applications, some systems have used genetic algorithms to design custom networks that have the fewest possible hops in between different nodes. Some of the resulting layouts are nearly incomprehensible, although they function quite well. A Snowflake topology is really a "Star of Stars" network, so ...
Dedicated and Distributed Vulnerability Management
Dedicated and Distributed Vulnerability Management

... management of system administrators will populate the system with a hierarchical approach. For example, the manager of a network may know that she has ten administrators for fifty machines and will enter each one into the system of “approved” endusers. Although this may seem difficult, it has two ad ...
The Petabit Routing Company - Home Page
The Petabit Routing Company - Home Page

... Telecommunications Magazine June 2001 Telecommunications Magazine Selects Hyperchip for Technological Prowess, Impressive Management Team and Financial Stability ...
Implementation of Storage Area Networks
Implementation of Storage Area Networks

... UNIX, and OS/390. With this shared capacity, organizations can acquire, deploy, and use storage devices more efficiently and cost-effectively. ATM would be adept at connecting heterogeneous storage resources over the wide area network because it slices and dices different protocol traffic into stand ...
IOSR Journal of Electronics and Communication Engineering (IOSR-JECE) ISSN: , PP: 39-43 www.iosrjournals.org
IOSR Journal of Electronics and Communication Engineering (IOSR-JECE) ISSN: , PP: 39-43 www.iosrjournals.org

... part of IEEE 802.1Qay and that proposes only minor addition to the existing Ethernet standards. In its simplest form, PBBTE provides Ethernet tunnels that enable deterministic service delivery with the traffic engineering, QoS, resiliency and OAM requirements that service providers demand. PBB-TE ta ...
HW1 Solution
HW1 Solution

... 2. Each bridge finds a shortest path to the root, where link cost is simply hop count (# bridges en route to root). The port on a bridge through which it roots is called a root port (RP). 3. A tie is broken by choosing the port / path where the next hop (bridge) has a smallest ID. 4. Each LAN segmen ...
Network Layer
Network Layer

... Router Architecture Overview Two key router functions: ...
Ku-band VSAT
Ku-band VSAT

... office can be extended to the vessels via VPN (Virtual Private Networks). This means that the officers and crewmembers are now able to make use of more bandwidth-hungry applications such as videoconferencing and downloading, streaming video on demand and others without worrying about the communicati ...
Multipath Protocol for Delay-Sensitive Traffic
Multipath Protocol for Delay-Sensitive Traffic

... periods of congestion that cause temporary delays or losses which degrade the quality of live audio or video streams. Previous work in the Quality of Service (QoS) area [2] guarantees data delivery with the bandwidth and latency specified by the applications. However, this approach requires coordina ...
pptx - Cornell Computer Science
pptx - Cornell Computer Science

... datagram network provides network-layer connectionless service virtual-circuit network provides network-layer connection service analogous to TCP/UDP connecton-oriented / ...
Chapter 08
Chapter 08

... Text messaging allows users to send and receive short text messages on a phone or other mobile device or computer Picture messaging allows users to send pictures and sound files Video messaging allows users to send short video clips Wireless instant messaging allows wireless users to exchange real-t ...
Chapter Five
Chapter Five

... Supernetting borrows bits from the network to create more hosts Supernetting might be an option for a business holding several Class C addresses Supernetting requires that the addresses being supernetted be contiguous Supernetting is a function of Classless Inter-Domain Routing, or CIDR ...
Uses of Computer Communications
Uses of Computer Communications

... Text messaging allows users to send and receive short text messages on a phone or other mobile device or computer Picture messaging allows users to send pictures and sound files Video messaging allows users to send short video clips Wireless instant messaging allows wireless users to exchange real-t ...
Technology in Action - Mesa Community College
Technology in Action - Mesa Community College

... All rights reserved. No part of this publication may be reproduced, stored in a retrieval system, or transmitted, in any form or by any means, electronic, mechanical, photocopying, recording, or otherwise, without the prior written permission of the publisher. Printed in the United States of Americ ...
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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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