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Power Point Chapter 06 CCNA2
Power Point Chapter 06 CCNA2

... • The administrator could enter either of two commands to accomplish this objective: specifies the outgoing interface or specifies the next-hop IP address of the adjacent router. • The only difference between the two is in the administrative distance assigned to the route by the router as it is plac ...
Lecture 1.1 : Introduction to mobile ad hoc networks Lecture 1.2
Lecture 1.1 : Introduction to mobile ad hoc networks Lecture 1.2

... There are numerous protocols for networks with infrastructural support , starting from LANs, Ethernets and global networks like the Internet. ...
Network Security: Internet Mobility
Network Security: Internet Mobility

... nodes, without introducing new security infrastructure? Set requirements to the right level: Internet with Mobile IPv6 deployed must be as secure as before it → no general-purpose strong authentication needed Some IP-layer infrastructure is available: IPv6 addresses Routing infrastructure ...
IOSR Journal of Electronics and Communication Engineering (IOSR-JECE)
IOSR Journal of Electronics and Communication Engineering (IOSR-JECE)

... consists of a base station (or “gateway”) that can communicate with a number of wireless sensors via a radio link. Firstly the data is collected at the wireless sensor node, compressed and then transmitted to gateway directly or other sensor nodes may be used to forward data to the gateway. At last ...
On Random walk
On Random walk

... Let p(d) be the probability that a random walk on a dD lattice returns to the origin. In 1921, Pólya proved that, (1) p(1)=p(2)=1, but (2) p(d)<1 for d>2 ...
ppt2
ppt2

... Let p(d) be the probability that a random walk on a dD lattice returns to the origin. In 1921, Pólya proved that, (1) p(1)=p(2)=1, but (2) p(d)<1 for d>2 ...
Remote Deployment of Wireless Sensor Networks
Remote Deployment of Wireless Sensor Networks

... node for a randomly distributed network. • Need to gracefully transition when the head node’s power begins to wane. • What to do if head node drops off the map? • What to do if next in line is not available? ...
Lecture 5 - Lyle School of Engineering
Lecture 5 - Lyle School of Engineering

...  Link-state routing is also known as link-status routing or shortest path routing  Each router maintains a complete view of network topology (graph) ...
PPT
PPT

... Read the implementation of FAMA and IEEE 802.11 MAC in GloMoSim (you may need to migrate FAMA from version 1.2.3 of GloMoSim as FAMA is no longer included in newer versions of GloMoSim.) You can also use ns2 which is more up-to-date. Evaluate the performance of FAMA and IEEE 802.11 MAC in fully-conn ...
Slide 1
Slide 1

... and responds to client  Client gets list of clients from server  All Clients send ID’s of the data they hold to the server and when client asks for data, server responds with specific addresses  peer downloads directly from other peer(s) ...
A Tool for Multi-Hour ATM Network Design considering Mixed Peer
A Tool for Multi-Hour ATM Network Design considering Mixed Peer

... Circuit Connections (VCCs) can be aggregated in Virtual Path Connections (VPCs). Using VPCs, it is possible to configure different logical networks on top of the physical network [1]. We assume that VPCs are end-to-end and are assigned a fixed bandwidth. The dimensioning of an ATM network aims at fi ...
Guide to TCP/IP, Third Edition
Guide to TCP/IP, Third Edition

... Managing Routing on an In-House Internetwork • IP routing protocols have a shortcoming – They do not discriminate between users, types of traffic, and so on – They only know how to get to a network – Policy-based routing addresses this shortcoming ...
EEE449 Computer Networks
EEE449 Computer Networks

... protocol) exchange information with its neighboring nodes. – Two nodes are said to be neighbors if they are both directly connected to the same network. – each node maintains a vector of link costs for each directly attached network and distance and next-hop vectors for each destination. – used in t ...
mobile1-modified
mobile1-modified

... -A range of options: from slow-but-safe to regular IP -Should be an end-to-end packet delivery decision (no FA) ...
A Survey on Void Handling Techniques for Geographic
A Survey on Void Handling Techniques for Geographic

... S   X   Y   D and S 뼎 U  V 뼎 W destination D than any of its neighboring nodes, so, it cannot continue moving the packet toward D using greedy forwarding. This situation called a “communication void” [11], is sometimes also known as a local minimum [10] or local maximum [12]. The high densi ...
Network Properties, Scalability and Requirements For Parallel Processing
Network Properties, Scalability and Requirements For Parallel Processing

Slides
Slides

...  each advertisement: list of up to 25 destination subnets (in IP addressing ...
IP Address - Zoo - Yale University
IP Address - Zoo - Yale University

... Difference: PIM uses any unicast routing algorithm to determine the path from a router to the source; DVMRP uses distance vector Question: the state requirement of Reverse Path Forwarding ...
Multiple Directional Antennas in Suburban Ad
Multiple Directional Antennas in Suburban Ad

...  Reduces multiple access intereferences (MAI)  Reduces collisions and packet loss  Improves network performance  Eavesdropping is limited to the direction of communication  Ideal for ad-hoc networks with less mobility ...
Slide 1
Slide 1

... Department of Computer Science -IPB ...
Lecture 7: Distributed Operating Systems
Lecture 7: Distributed Operating Systems

... A site determines whether another message is currently being transmitted over that link. If two or more sites begin transmitting at exactly the same time, time then they will register a CD and will stop transmitting. ...
Clean Slate Design for the Internet
Clean Slate Design for the Internet

... • Most complexity is about routing: picking paths, managing location, identity and access. • The current network controls the routing. • Routing doesn’t belong in the boxes. • If we control routing, we can innovate. Uh-oh, looks like another GENI talk… ...
Implementation of SAMPLE Protocol Dissertation
Implementation of SAMPLE Protocol Dissertation

... with no pre-existing infrastructure. There are distributed because nodes which operate in ad hoc mode tend to be highly mobile and therefore it is necessary to ensure the communication does not collapse when one of the nodes powers down or is moved out of range. In distributed networks all nodes hav ...
ELEN E6761 Fall `00
ELEN E6761 Fall `00

... Extends maximum distance between node pairs (100m per Hub) can disconnect a “jabbering adapter”; 10base2 would not work if an adapter does not stop transmitting on the cable can gather monitoring information and statistics for display to ...
Wireless Sensor Networks Using A Delay-Aware
Wireless Sensor Networks Using A Delay-Aware

... because all the optimization techniques employed in the top-down approach are carried out individually. Although all the optimization techniques will provide optimum solutions, there is lack of a global optimization method. This makes the topdown approach more effective for smallscale networks, but ...
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Routing in delay-tolerant networking

Routing in delay-tolerant networking concerns itself with theability to transport, or route, data from a source to adestination, which is a fundamental ability all communication networks musthave. Delay- and disruption-tolerant networks(DTNs) are characterized by their lack of connectivity, resulting in a lack of instantaneous end-to-end paths. In these challenging environments, popular ad hoc routing protocols such as AODV and DSR fail to establish routes. This is due to these protocols trying to first establish a complete route and then, after the route has been established, forward the actual data. However, when instantaneous end-to-end paths are difficult or impossible to establish, routing protocols must take to a ""store and forward"" approach, where data isincrementally moved and stored throughout the network in hopes that it will eventually reach its destination. A common technique used tomaximize the probability of a message being successfully transferred is toreplicate many copies of the message in hopes that one will succeed inreaching its destination.
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