Figure 1.5. Hybrid Wireless Mesh Network
... almost halved. In addition, the maximum link layer data rate falls quickly with increasing distance between the transmitter and the receiver. The bandwidth problems is further aggravated for multi-hop ad hoc networks due to interference from adjacent hops on the same path as well as from neighboring ...
... almost halved. In addition, the maximum link layer data rate falls quickly with increasing distance between the transmitter and the receiver. The bandwidth problems is further aggravated for multi-hop ad hoc networks due to interference from adjacent hops on the same path as well as from neighboring ...
Chapter 1: PowerPoint slides - ECE
... Therefore, C is an “exposed station” to B. Note that for C to be allowed to transmit, C must know that A is not located in its transmission range and that D is not in B’s transmission range. Hidden station problem is much simpler to solve! ...
... Therefore, C is an “exposed station” to B. Note that for C to be allowed to transmit, C must know that A is not located in its transmission range and that D is not in B’s transmission range. Hidden station problem is much simpler to solve! ...
Document
... • The metric can be based on a type of service (ie . Min delay, max throughput, etc..) • For OSPF, a router will have multiple routing tables – one for each TOS • Unlike RIP, sharing or updating is done when there is a change (not periodically) • For OSPF, the objective is for the routers to contain ...
... • The metric can be based on a type of service (ie . Min delay, max throughput, etc..) • For OSPF, a router will have multiple routing tables – one for each TOS • Unlike RIP, sharing or updating is done when there is a change (not periodically) • For OSPF, the objective is for the routers to contain ...
Performance Analysis of VoMAN using Routing Protocols to Improve
... http://www.sans.org/reading_room/whitepapers/honors/securityissues-countermeasure-voip1701,SANS Institute 2007. ...
... http://www.sans.org/reading_room/whitepapers/honors/securityissues-countermeasure-voip1701,SANS Institute 2007. ...
IOSR Journal of Computer Engineering (IOSR-JCE)
... routing protocols that are considered in the analysis are Ad-Hoc On-demand Distance Vector (AODV), DSR (Dynamic Source Routing) and Optimized Link State Routing (OLSR) etc. 2.1 AODV (Ad-hoc on-demand and distance vector): AODV protocol is a mixture of on-demand and distance vector. A node required t ...
... routing protocols that are considered in the analysis are Ad-Hoc On-demand Distance Vector (AODV), DSR (Dynamic Source Routing) and Optimized Link State Routing (OLSR) etc. 2.1 AODV (Ad-hoc on-demand and distance vector): AODV protocol is a mixture of on-demand and distance vector. A node required t ...
Chapter 7 Lecture Presentation
... Determine output port (next hop) and insert VCI for next link Very high speeds are possible Table can also include priority or other information about how packet should be treated ...
... Determine output port (next hop) and insert VCI for next link Very high speeds are possible Table can also include priority or other information about how packet should be treated ...
Comparison of Performance Metrics of DVR Protocol Using Node
... [4]. The proactive protocols such as DSDV and reactive protocols such as DSR and AODV choose a path with smallest number of hops from source to destination. But when there is congestion in the network, this path may not prove to be the most significant route, because packet drop rate and average end ...
... [4]. The proactive protocols such as DSDV and reactive protocols such as DSR and AODV choose a path with smallest number of hops from source to destination. But when there is congestion in the network, this path may not prove to be the most significant route, because packet drop rate and average end ...
EN33838844
... routing protocol for wireless networks. It’s forms a route on-demand when a transmitting computer request one. However, it uses source routing instead of relying on the routing table at each intermediate device. There are two major phases for the protocol : (a) the route discovery process which is b ...
... routing protocol for wireless networks. It’s forms a route on-demand when a transmitting computer request one. However, it uses source routing instead of relying on the routing table at each intermediate device. There are two major phases for the protocol : (a) the route discovery process which is b ...
l4-2 - Heyook Lab
... • How can the Count-to-Infinity problem be solved? • Solution 2: Never advertise the cost to a neighbor if this neighbor is the next hop on the current path (Split Horizon) – Example: A would not send the first routing update to B, since B is the next hop on A’s current route to C – Split Horizon do ...
... • How can the Count-to-Infinity problem be solved? • Solution 2: Never advertise the cost to a neighbor if this neighbor is the next hop on the current path (Split Horizon) – Example: A would not send the first routing update to B, since B is the next hop on A’s current route to C – Split Horizon do ...
Non-Transitive Connectivity and DHTs
... a node A should only add a neighbor B after successfully communicating with it, and A should only remove a neighbor with whom it can no longer directly communicate. This technique is used by all three of our DHTs. Invisible nodes also cause performance problems during iterative routing, where the no ...
... a node A should only add a neighbor B after successfully communicating with it, and A should only remove a neighbor with whom it can no longer directly communicate. This technique is used by all three of our DHTs. Invisible nodes also cause performance problems during iterative routing, where the no ...
ppt
... On its turn, a packet uses full link bandwidth Resources used as needed Aggregate resource demand can exceed amount ...
... On its turn, a packet uses full link bandwidth Resources used as needed Aggregate resource demand can exceed amount ...
InfiniBand
... • Up/Down routing does not work directly – Need information about the incoming interface and the destination and Infiniband only uses destination – Potential solution: » find all possible paths » remove all possible down link following up links in each node » find one output port for each destinatio ...
... • Up/Down routing does not work directly – Need information about the incoming interface and the destination and Infiniband only uses destination – Potential solution: » find all possible paths » remove all possible down link following up links in each node » find one output port for each destinatio ...
Q4906124131
... entry for this destination node exists. If this is not the case, the source node has to initialize a route discovery. This is done by creating a RREQ message, including the hop count to destination, the IP address of the source and the destination, the sequence numbers of both of them, as well as th ...
... entry for this destination node exists. If this is not the case, the source node has to initialize a route discovery. This is done by creating a RREQ message, including the hop count to destination, the IP address of the source and the destination, the sequence numbers of both of them, as well as th ...
DEMONSTRATIONAL SYSTEM FOR TRAINING IN FlexRay COMMUNICATION Jan Malinsky
... no. 5). The value related to the temperature in the area is transported by means of this slot. Time slot no. 5 - transmission between switches (node no. 8) and LEDs (node no. 2.). The value related to the state of switches is transported by means of this slot. In addition, all information in time sl ...
... no. 5). The value related to the temperature in the area is transported by means of this slot. Time slot no. 5 - transmission between switches (node no. 8) and LEDs (node no. 2.). The value related to the state of switches is transported by means of this slot. In addition, all information in time sl ...
Network Layer
... • Pure flooding :: every incoming packet to a node is sent out on every outgoing line. – Obvious adjustment – do not send out on arriving link (assuming full-duplex links). – The routing algorithm can use a hop counter (e.g., TTL) to dampen the flooding. – Selective flooding :: only send on those li ...
... • Pure flooding :: every incoming packet to a node is sent out on every outgoing line. – Obvious adjustment – do not send out on arriving link (assuming full-duplex links). – The routing algorithm can use a hop counter (e.g., TTL) to dampen the flooding. – Selective flooding :: only send on those li ...
Document
... For current node, consider all its unvisited neighbours and calculate their distance (from the initial node). For example, if current node (A) has distance of 6, and an edge connecting it with another node (B) is 2, the distance to B through A will be 6+2=8. If this distance is less than the previou ...
... For current node, consider all its unvisited neighbours and calculate their distance (from the initial node). For example, if current node (A) has distance of 6, and an edge connecting it with another node (B) is 2, the distance to B through A will be 6+2=8. If this distance is less than the previou ...
Abstract - PG Embedded systems
... network becomes possible. One important class of such algorithms is predictors, which use past input values from the sensors to perform prediction operations. The existence of such prediction capability implies that the sensors do not need to transmit the data values if they differ from a predicted ...
... network becomes possible. One important class of such algorithms is predictors, which use past input values from the sensors to perform prediction operations. The existence of such prediction capability implies that the sensors do not need to transmit the data values if they differ from a predicted ...
ppt
... IDentifier (GUID) from the same ID space Typically done using SHA-1 Applications can also have IDs (application specific), which are used to select an appropriate process on each node for delivery Tapestry ...
... IDentifier (GUID) from the same ID space Typically done using SHA-1 Applications can also have IDs (application specific), which are used to select an appropriate process on each node for delivery Tapestry ...
ppt - ICS
... What if we use a central authority again, just like in nodeId assignment? Use of quotas That way every request to store a document would require a query to the quota authority ...
... What if we use a central authority again, just like in nodeId assignment? Use of quotas That way every request to store a document would require a query to the quota authority ...
I.Research of Underwater Wireless Sensor Network
... construction is simulating the collective behavior of ants, swarm intelligence should be relied on and it can succeed through the individual pathfinding without the help of global information. This kind of algorithm is very suitable for the sensor due to its characteristics of strong dynamics, high ...
... construction is simulating the collective behavior of ants, swarm intelligence should be relied on and it can succeed through the individual pathfinding without the help of global information. This kind of algorithm is very suitable for the sensor due to its characteristics of strong dynamics, high ...