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2.2 MANET Features - School of Information Technology, IIT kharagpur
2.2 MANET Features - School of Information Technology, IIT kharagpur

... Loop freedom: Though, if not incorporated in the routing protocol, the TTL value could be used to prevent packet from roaming in the network for arbitrarily long periods of time. But, still this property is desirable for efficient use of resources and better overall performance. ...
Lecture 4 - Lyle School of Engineering
Lecture 4 - Lyle School of Engineering

... Routing table is updated during connection set-up phase All packets of same virtual circuit follow same route Routing table: incoming link and virtual circuit ID, outgoing link and virtual circuit ID Why translate virtual circuit ID? global IDs will limit number of connections, and time consuming to ...
ppt - Courses
ppt - Courses

... - Metric-based routing: shortest path computation based on distance vector or link state algorithms - Policy-based routing: route advertisements John Chuang ...
The NaradaBroker: A Flexible Messaging Infrastructure
The NaradaBroker: A Flexible Messaging Infrastructure

... Optimal Transport Broker node ...
Introduction to dynamic routing with Quagga
Introduction to dynamic routing with Quagga

... learn what they know  The entire network learns about changes within minutes or even seconds  Generally used on Internet backbone routers and in organizations with many routers ...
Primitive Meaning
Primitive Meaning

... primitives • Sockets are not suitable • Send/Receive primitives are too simple • Not optimized for proprietary protocols ...
2.2 INTERNET ROUTING PROTOCOLS
2.2 INTERNET ROUTING PROTOCOLS

... subnetworks defined in the environment. The administrator specifically authorizes all communication permitted between these subnetworks;  To provide more efficient resource utilization. This method of routing table management requires no network bandwidth to advertise routes between neighboring dev ...
Mohammed Nadeem Ahmed
Mohammed Nadeem Ahmed

... Chord can scale millions of nodes Uses Finger Tables Each node is responsible for a bunch of nodes In finger table row I at node n = successor (n + 2^i-1) Finger intervals increase with distance from node n ...
Document
Document

... Every incoming packet is sent out on all outgoing lines except the one it arrived on. Note: Not practical in most applications. However, flooding produces shortest delay (if overhead is ignored) – Selective flooding – Random walk Static routing fixed tables. Each possible route is weighted ...


... • Liabilities of switching: • Generally no visibility into switched network unless you are on it • No support for multiple valid paths, • ARP is hearsay and potentially dangerous • Both IP and Ethernet have a notion of mutlicast • Implementing multicast requires some mapping between layers ...
ECE544_Review
ECE544_Review

... of all groups that have members on the router’s directly-attached links (as learned through IGMP) ...
Deployment of a Rational Swarm Routing Algorithm in Ad Hoc
Deployment of a Rational Swarm Routing Algorithm in Ad Hoc

... precious resources in terms of battery power and wireless bandwidth. The best routing protocols seek to reduce the number of route requests required and the number of messages that need to be sent to determine routes. Route maintenance methods must be able to recognize when a path between the source ...
Lecture 24: IP Routing
Lecture 24: IP Routing

... Floods the network to discover its neighbors Measures the cost/delay to discovered neighbors Floods network with information about every node it can reach (LSA) Constructs a topology map with this information Calculates shortest path to every router/node in network (Dijkstra’s Shortest Path algorith ...
Communication Networks
Communication Networks

... Physical and Logical topologies • Node 1 can directly send information to node 2 and node 3 using frequencies w1 and w2. • For this reason, node 1 is directly logically connected to node 2 and node 3. Although, node 1 is not directly physically connected to node 2 and node 3. • Now, if node 1 wants ...
Lecture_5_Routing Protocols
Lecture_5_Routing Protocols

... Can not be used in large networks The size of the N/W, in each direction, can not exceed 15 hops Examples are RIP and IGRP ...
ECE544Lec4-5DR07
ECE544Lec4-5DR07

... Upon receiving vectors from each of its neighbors, router computes its own distance to each neighbor. Then, for every network X, router finds that neighbor who is closer to X than to any other neighbor. Router updates its cost to X. After doing this for all X, router goes to send step. ...
Black Hole
Black Hole

... {cclljj, clchiou, yichao}@iis.sinica.edu.tw ...
The Infrastructure Technologies
The Infrastructure Technologies

... • Packets can follow different routes to reach ...
Off-Piste QoS-aware Routing Protocol
Off-Piste QoS-aware Routing Protocol

... “tickets” and distributes them among multiple probe messages. Every probe message is supposed to carry at least one ticket. Thus, when a probe message splits into multiple probes at a network node, it is limited by the total number of splits. Other unicast routing protocols use link state either wit ...
OSI Model - Salim Arfaoui
OSI Model - Salim Arfaoui

... Machine B ...
Wavelength-routed and Broadcast-and
Wavelength-routed and Broadcast-and

... So far we assume that each source-destination (s-d) pair has its traffic demand equal to an integer multiple of wavelength unit What if the traffic of an s-d equal to 0.3 wavelength unit ? In this scenario, a single lightpath may carry multiple traffic streams from different s-d pairs Traffic groomi ...
SwitchWare
SwitchWare

... • Protocol components instead of layers • Equivalent computational model instead of equivalent program at each node ...
Routing Strategies in Mobile Ad
Routing Strategies in Mobile Ad

... • Reduction in update message achieved by using different exchange periods for different entries in the table • Creates larger latencies for stations that are far • Routes become progressively accurate as the packet gets closer to the destination • FSR scales well to large networks, by keeping the L ...
Dynamic Routing - Department of Computer Technology and
Dynamic Routing - Department of Computer Technology and

... - OSPF areas What is VOIP-Voice Over IP? - An Example OSPF Graph  The Motivation and challenge of IP Technology  IS-IS (Intermediate System-to-Intermediate  A Basic IP Telephone System System)  VOIP is advantages and disadvantages Distance-vector routing protocols  RIP (Routing Information Prot ...
Sensor Networks
Sensor Networks

... Can run in an unconfigured network with a small startup to determine 1hop neighbors SPIN-EC is SPIN-PP optimized for energy conservation ...
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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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