2013 esIoT - Yi
... Qpid broker. Prioritized messages only exist in single queue. Retrieve messages from a priority queue is only ordered by priority. Impossible to change the algorithm (ex: 5high, 3low avoid starvation) to retrieve messages. No prioritized message delivery between two brokers. Hence, we design to send ...
... Qpid broker. Prioritized messages only exist in single queue. Retrieve messages from a priority queue is only ordered by priority. Impossible to change the algorithm (ex: 5high, 3low avoid starvation) to retrieve messages. No prioritized message delivery between two brokers. Hence, we design to send ...
Routing in Mobile Ad
... • Generalize concept of Virtual Backbone Routing to other existing routing algorithms ...
... • Generalize concept of Virtual Backbone Routing to other existing routing algorithms ...
Networked Systems
... Main issues include topology of the network and routing of information from one node to another o Broadcast networks – all hosts share a single communication channel Satellite network – satellite provides a shared channel between hosts Network Topologies o Physical topology – configuration of ca ...
... Main issues include topology of the network and routing of information from one node to another o Broadcast networks – all hosts share a single communication channel Satellite network – satellite provides a shared channel between hosts Network Topologies o Physical topology – configuration of ca ...
Slides for Chapter 3: Networking and Internetworking
... target machine send its physical address to the sender target machine also updates add entry of the source in its table It is likely that the target will send IP packets to the source later on. ...
... target machine send its physical address to the sender target machine also updates add entry of the source in its table It is likely that the target will send IP packets to the source later on. ...
routing
... – if directly connected to destination network, then forward to host – if not directly connected to destination network, then forward to some router – forwarding table maps network number into next hop – each host has a default router – each router maintains a forwarding table ...
... – if directly connected to destination network, then forward to host – if not directly connected to destination network, then forward to some router – forwarding table maps network number into next hop – each host has a default router – each router maintains a forwarding table ...
TORA (Cont`d)
... Nodes that are not in a selected path do not maintain routing information or participate in routing table exchanges A source node initiates a path discovery process to locate the other intermediate nodes (and the destination), by broadcasting a Route Request (RREQ) packet to its neighbors ...
... Nodes that are not in a selected path do not maintain routing information or participate in routing table exchanges A source node initiates a path discovery process to locate the other intermediate nodes (and the destination), by broadcasting a Route Request (RREQ) packet to its neighbors ...
10 pts - ECSE - Rensselaer Polytechnic Institute
... exposure issue. FEC uses forward error correction schemes and thus avoids (N)ACK implosions. Feedback aggregation at routers also avoids the flooding of sender with a large number of (N)ACKs. Drop to zero – In single-rate multicast sessions, if every packet loss is considered to be a signal of conge ...
... exposure issue. FEC uses forward error correction schemes and thus avoids (N)ACK implosions. Feedback aggregation at routers also avoids the flooding of sender with a large number of (N)ACKs. Drop to zero – In single-rate multicast sessions, if every packet loss is considered to be a signal of conge ...
Chapter 4 Routing Protocols - National Tsing Hua University
... layer is used to select cluster heads and the other layer is used for routing. Hierarchical routing (or cluster-based routing), e.g., LEACH, PEGASIS, TTDD, is an efficient way to lower energy consumption within a cluster and by performing data aggregation and fusion in order to decrease the number o ...
... layer is used to select cluster heads and the other layer is used for routing. Hierarchical routing (or cluster-based routing), e.g., LEACH, PEGASIS, TTDD, is an efficient way to lower energy consumption within a cluster and by performing data aggregation and fusion in order to decrease the number o ...
Routing Indices in P2P Networks
... No-op solution This solution works only with hop-count RI and the exponential RI (compound RI can be trapped in infinite loop) In the case of HRI, cycles longer than horizon will not affect the cycle. When cycle exists within horizon, then node will be able to “see” its own files through the index ...
... No-op solution This solution works only with hop-count RI and the exponential RI (compound RI can be trapped in infinite loop) In the case of HRI, cycles longer than horizon will not affect the cycle. When cycle exists within horizon, then node will be able to “see” its own files through the index ...
paper template (word format) for sample
... and Yiping Zhong [20] have presented a new DoS attack and its defense in wireless ad hoc networks. The new DoS attack, called Ad Hoc Flooding Attack(AHFA), can result in denial of service when used against on demand routing protocols for mobile ad hoc networks,such as AODV & DSR. John Haggerty, Qi S ...
... and Yiping Zhong [20] have presented a new DoS attack and its defense in wireless ad hoc networks. The new DoS attack, called Ad Hoc Flooding Attack(AHFA), can result in denial of service when used against on demand routing protocols for mobile ad hoc networks,such as AODV & DSR. John Haggerty, Qi S ...
04_1_IP_addressing
... The number of class B networks was much to small (Germany has around 100(?) universities and colleges and therefore would need for them at least 100 class B networks out of 16,384) There is no need for class A networks ...
... The number of class B networks was much to small (Germany has around 100(?) universities and colleges and therefore would need for them at least 100 class B networks out of 16,384) There is no need for class A networks ...
CCNA Exploration Semester 2 Chapter 8
... Refer to the exhibit. A packet destined for host 128.107.0.5/16 is processed by the JAX router. After finding the static route in the routing table that matches the destination network for this packet, what does the router do next? searches for a default route to forward the packet drops the packet ...
... Refer to the exhibit. A packet destined for host 128.107.0.5/16 is processed by the JAX router. After finding the static route in the routing table that matches the destination network for this packet, what does the router do next? searches for a default route to forward the packet drops the packet ...
0 - SFU Computing Science
... In practice when conditions in a network change, the change will take time to propagate across the network. Good news propagates quickly across a network Bad news propagates slowly across the network Janice Regan © 2005-1012 ...
... In practice when conditions in a network change, the change will take time to propagate across the network. Good news propagates quickly across a network Bad news propagates slowly across the network Janice Regan © 2005-1012 ...
Biological networks: Global network properties
... positive correlation between lethality and connectivity Jeong et al, Nature, 411:41, 2001 ...
... positive correlation between lethality and connectivity Jeong et al, Nature, 411:41, 2001 ...
305KB - Research
... An Interconnection Architecture • Composition of diverse broadcast networks Equivalent ...
... An Interconnection Architecture • Composition of diverse broadcast networks Equivalent ...
An Internet-wide Distributed System for Data-stream Processing
... able distributed system for the routing and processing of data streams. Of particular interest is the use of overlay networks to deliver real-time media streams from one or more publishing nodes to potentially many thousands of subscribers, each with their own quality-of-service (QoS) requirements. ...
... able distributed system for the routing and processing of data streams. Of particular interest is the use of overlay networks to deliver real-time media streams from one or more publishing nodes to potentially many thousands of subscribers, each with their own quality-of-service (QoS) requirements. ...
Document
... affects the performance of the routing protocol. The deployment can be either deterministic or randomized. In deterministic deployment, the sensors are manually placed and data is routed through pre-determined paths. In random node deployment, the sensor nodes are scattered randomly creating an infr ...
... affects the performance of the routing protocol. The deployment can be either deterministic or randomized. In deterministic deployment, the sensors are manually placed and data is routed through pre-determined paths. In random node deployment, the sensor nodes are scattered randomly creating an infr ...
ppt - Computer Science Division - University of California, Berkeley
... – suppose N hosts issue packet every M cycles with ave dist » each msg occupies h channels for l = n/w cycles each » C/N channels available per node » link utilization for store-and-forward: r = (hl/M channel cycles/node)/(C/N) = Nhl/MC < 1! » link utilization for wormhole routing? ...
... – suppose N hosts issue packet every M cycles with ave dist » each msg occupies h channels for l = n/w cycles each » C/N channels available per node » link utilization for store-and-forward: r = (hl/M channel cycles/node)/(C/N) = Nhl/MC < 1! » link utilization for wormhole routing? ...
slides - Cypherspace
... • Nodes regularly send a list of their connected peers to all their peers • Peers forward to their peers... • Each transmission is retried until it’s acknowledged • Each node then offers its collection of announcements via rsync • Clients use synced collections to decide which nodes to connect to • ...
... • Nodes regularly send a list of their connected peers to all their peers • Peers forward to their peers... • Each transmission is retried until it’s acknowledged • Each node then offers its collection of announcements via rsync • Clients use synced collections to decide which nodes to connect to • ...
channels
... Insight #2: Two spatially proximate interfaces that both switch on channel i are not necessarily interchangeable; in smaller-scale networks, care is needed in both channel and interface selection ...
... Insight #2: Two spatially proximate interfaces that both switch on channel i are not necessarily interchangeable; in smaller-scale networks, care is needed in both channel and interface selection ...
PhD-Defense - Purdue University :: Computer Science
... “How many people must there be in a room before there is a 50% chance that two of them were born on the same day of the year?” (at least 23) If we set Qp to n ln n and we search in an independent set of the same size, we have high probability of intersection. ...
... “How many people must there be in a room before there is a 50% chance that two of them were born on the same day of the year?” (at least 23) If we set Qp to n ln n and we search in an independent set of the same size, we have high probability of intersection. ...
manet-intro
... able to promulgate a widely deployed ad hoc networking protocol), ad hoc networks will gain momentum only gradually because users will have to load software or take additional steps to ensure interoperability. ...
... able to promulgate a widely deployed ad hoc networking protocol), ad hoc networks will gain momentum only gradually because users will have to load software or take additional steps to ensure interoperability. ...
An Introduction to MySQL Cluster
... 10,000 transactions/second on 2 node cluster 100,000 transactions/second on 4 node cluster Memory is faster than disk ...
... 10,000 transactions/second on 2 node cluster 100,000 transactions/second on 4 node cluster Memory is faster than disk ...