A reservation-based mechanism prevents losses in slotted Optical
... layers (essentially TCP) at a delay much larger than in this scheme. Such reappearing packets constitute a significant percentage of system load, although they appear in performance evaluations misleadingly as original load. This can have significant side-effects on admission control and policing f ...
... layers (essentially TCP) at a delay much larger than in this scheme. Such reappearing packets constitute a significant percentage of system load, although they appear in performance evaluations misleadingly as original load. This can have significant side-effects on admission control and policing f ...
Introduction
... • Algorithm: cook a cup of instant noodles 1. Pull back lid to the dotted line. 2. Fill the cup to the inside line with boiling water from a kettle or from the microwave 3. Close lid and let stand for 3 minutes. 4. Stir well and add a pinch of salt and pepper to taste. ...
... • Algorithm: cook a cup of instant noodles 1. Pull back lid to the dotted line. 2. Fill the cup to the inside line with boiling water from a kettle or from the microwave 3. Close lid and let stand for 3 minutes. 4. Stir well and add a pinch of salt and pepper to taste. ...
Week_6
... • Idea: Group the ad-hoc nodes into clusters (if you want hierarchically). One node is the head of the cluster. If a node in the cluster sends a message it sends it to the head which sends it to the head of the destination cluster which sends it to the destination • + Simplifies operation for most n ...
... • Idea: Group the ad-hoc nodes into clusters (if you want hierarchically). One node is the head of the cluster. If a node in the cluster sends a message it sends it to the head which sends it to the head of the destination cluster which sends it to the destination • + Simplifies operation for most n ...
Routing_DTN-tkkwon
... Nodes sleep to save power Mobile devices get out of other devices’ radio ranges ...
... Nodes sleep to save power Mobile devices get out of other devices’ radio ranges ...
Network Topology: Physical & Logical
... Tree Network • In hub or tree network, the wires that are used to connect different nodes are collapsed into a central unit, called hub. • Hub does not perform switching function. • It consists of repeaters that retransmitted all the signals from nodes to all other nodes in the same way. • The mult ...
... Tree Network • In hub or tree network, the wires that are used to connect different nodes are collapsed into a central unit, called hub. • Hub does not perform switching function. • It consists of repeaters that retransmitted all the signals from nodes to all other nodes in the same way. • The mult ...
Network Routing Algorithms
... • Routers replace routes in their own routing tables anytime that neighbors have found better routes. • Information provided from neighbors – Outgoing line used for destination – Estimate of time or distance • can be number of hops, time delay, packet queue length, etc. ...
... • Routers replace routes in their own routing tables anytime that neighbors have found better routes. • Information provided from neighbors – Outgoing line used for destination – Estimate of time or distance • can be number of hops, time delay, packet queue length, etc. ...
ppt
... Forwarding is the process that each router goes through for every packet to send it on its way Involves local decisions In the Internet, more specific routes are encountered as you approach your destination ...
... Forwarding is the process that each router goes through for every packet to send it on its way Involves local decisions In the Internet, more specific routes are encountered as you approach your destination ...
Dominating-Set-Based Routing in Ad Hoc
... Binary countdown: use binary station address in bidding. ...
... Binary countdown: use binary station address in bidding. ...
CSC 335 Data Communications and Networking I
... • OSPF includes type of service routing. A router can use type of service or priority and the destination address to choose a route. • OSPF provide load balancing. • OSPF allows a site to be partitioned into areas. • OSPF protocol specifies that all exchanges between routers can be authenticated. ...
... • OSPF includes type of service routing. A router can use type of service or priority and the destination address to choose a route. • OSPF provide load balancing. • OSPF allows a site to be partitioned into areas. • OSPF protocol specifies that all exchanges between routers can be authenticated. ...
Mesh Summit Multiradio
... • Previous metrics (HOP, ETX) not suitable for multiple radios per node – Do not leverage channel, range, data rate diversity ...
... • Previous metrics (HOP, ETX) not suitable for multiple radios per node – Do not leverage channel, range, data rate diversity ...
Wireless Communications and Networks
... Circuits provided by a common carrier Consists of interconnected switching nodes ...
... Circuits provided by a common carrier Consists of interconnected switching nodes ...
A Novel Approach for Secure Data Transmission and Clustering based Energy
... approach, without compromising the correctness of the information content. To make use of the small-sized cheap sensors, sensor network may contain thousands of nodes. Scalability and managing these huge numbers of sensors is major issue. Clustering is one solution to this problem. Clusters can be f ...
... approach, without compromising the correctness of the information content. To make use of the small-sized cheap sensors, sensor network may contain thousands of nodes. Scalability and managing these huge numbers of sensors is major issue. Clustering is one solution to this problem. Clusters can be f ...
Graph Theory – Some Definitions A mathematical representation of
... The shortest path length, also called distance, between two nodes n and m is denoted by L(n,m). The average shortest path length, also known as the characteristic path length, gives the expected distance between two connected nodes. The neighborhood of a given node n is the set of its neighbors. The ...
... The shortest path length, also called distance, between two nodes n and m is denoted by L(n,m). The average shortest path length, also known as the characteristic path length, gives the expected distance between two connected nodes. The neighborhood of a given node n is the set of its neighbors. The ...
Link-state routing protocol A link-state routing protocol is one of the
... The algorithm simply iterates over the collection of link-state advertisements; for each one, it makes links on the map of the network, from the node which sent that message, to all the nodes which that message indicates are neighbors of the sending node. No link is considered to have been correctl ...
... The algorithm simply iterates over the collection of link-state advertisements; for each one, it makes links on the map of the network, from the node which sent that message, to all the nodes which that message indicates are neighbors of the sending node. No link is considered to have been correctl ...
Ch01
... • Longer messages broken up into series of packets • Transmitting computer sends message as sequence of packets. • Packet includes control information including destination station. • Packets sent to node to which sending station attaches • Node stores packet briefly, determines next leg of route, a ...
... • Longer messages broken up into series of packets • Transmitting computer sends message as sequence of packets. • Packet includes control information including destination station. • Packets sent to node to which sending station attaches • Node stores packet briefly, determines next leg of route, a ...
Ad hoc on-demand Distance Vector Routing Protocol Based on Load Balance
... When a source node wants to transmit data to the destination node, first it checks whether there is any existing valid path in the routing table. If it exists, the node uses that path, otherwise, it sends RREQ to its neighbor nodes. When a node (either destination or intermediate) receives RREQ, it ...
... When a source node wants to transmit data to the destination node, first it checks whether there is any existing valid path in the routing table. If it exists, the node uses that path, otherwise, it sends RREQ to its neighbor nodes. When a node (either destination or intermediate) receives RREQ, it ...
test 1 - answer
... A: 1. When 1 node wants to transmit, it can send at rate R. 2. When M nodes want to transmit, each can send at average rate R/M. 3. Fully decentralized (no synch, no admin/master node). 4. Simple (inexpensive to implement). b) Based on answer in 4 (a), determine which of these characteristics are em ...
... A: 1. When 1 node wants to transmit, it can send at rate R. 2. When M nodes want to transmit, each can send at average rate R/M. 3. Fully decentralized (no synch, no admin/master node). 4. Simple (inexpensive to implement). b) Based on answer in 4 (a), determine which of these characteristics are em ...
IOSR Journal of Electrical and Electronics Engineering (IOSR-JEEE)
... spatial diversity and resistance to fading, high throughput, low transmitted power, and resilient networks. Simple cooperative wireless network model with two hops there are a source, a destination, and several relay nodes. The basic idea of cooperative relaying is that some nodes which overheard th ...
... spatial diversity and resistance to fading, high throughput, low transmitted power, and resilient networks. Simple cooperative wireless network model with two hops there are a source, a destination, and several relay nodes. The basic idea of cooperative relaying is that some nodes which overheard th ...
An Integrated approach to developing sensor network solutions
... • Uses spatial IP addressing but mobile backbone node has fixed IP address from another n/w to differentiate it from other backbone nodes ...
... • Uses spatial IP addressing but mobile backbone node has fixed IP address from another n/w to differentiate it from other backbone nodes ...