Simulators for Sensor Networks - University of Virginia, Department
... • Just adding new protocols might not do. Some internal changes might need to be made. ...
... • Just adding new protocols might not do. Some internal changes might need to be made. ...
lecture20 - University of Michigan
... The traditional fully mixed model: Start with the SIR model of epidemic disease. The fraction of individuals in the states s, i, and r are governed by the equations: ...
... The traditional fully mixed model: Start with the SIR model of epidemic disease. The fraction of individuals in the states s, i, and r are governed by the equations: ...
Chapter 7 - YSU Computer Science & Information Systems
... Ethernet – IEEE 802.3 • Most common LAN technology • Well suited to applications where a local communication medium must carry sporadic, occasionally heavy traffic at high peak data rates • CSMA/CD • Broadcast – All stations can see all communications ...
... Ethernet – IEEE 802.3 • Most common LAN technology • Well suited to applications where a local communication medium must carry sporadic, occasionally heavy traffic at high peak data rates • CSMA/CD • Broadcast – All stations can see all communications ...
Lecture 1 - cda college
... ring – All the devices share a single cable Dual ring – Allows data to be sent in both directions and provides redundancy ...
... ring – All the devices share a single cable Dual ring – Allows data to be sent in both directions and provides redundancy ...
Chapter 6 – Connectivity Devices
... each of its ports to provide their MAC address • Once the bridge receives this information, it is recorded in its Forwarding Table • The filtering of traffic enhances the network performance because the nodes spend less time listening to packets that are not destined for them ...
... each of its ports to provide their MAC address • Once the bridge receives this information, it is recorded in its Forwarding Table • The filtering of traffic enhances the network performance because the nodes spend less time listening to packets that are not destined for them ...
Overlay Networks
... Internet Indirection Infrastructure (i3) Delegation Oriented Architecture (DOA) ...
... Internet Indirection Infrastructure (i3) Delegation Oriented Architecture (DOA) ...
Wireless Local Area Networks
... Each station is only connected to each of its two nearest neighbors. Data in the form of packets pass around the ring from one station to another in uni-directional way. Advantages : (1) Access method supports heavy load without degradation of performance because the medium is not shared. (2) Se ...
... Each station is only connected to each of its two nearest neighbors. Data in the form of packets pass around the ring from one station to another in uni-directional way. Advantages : (1) Access method supports heavy load without degradation of performance because the medium is not shared. (2) Se ...
DK_February_2008_Koblenz - delab-auth
... • each cached item is characterized either as O (i.e., own) or H (i.e., hosted) ...
... • each cached item is characterized either as O (i.e., own) or H (i.e., hosted) ...
William Stallings Data and Computer Communications
... Provides a set of channels at a single interface B channel: 64 Kbps Circuit switching, packet switching, dedicate ...
... Provides a set of channels at a single interface B channel: 64 Kbps Circuit switching, packet switching, dedicate ...
Module 4 Data Link Layer
... • first widely used LAN technology! • simpler, cheaper than token LANs and ATM! • kept up with speed race: 10 Mbps – 10 Gbps ! Metcalfe s Ethernet! ...
... • first widely used LAN technology! • simpler, cheaper than token LANs and ATM! • kept up with speed race: 10 Mbps – 10 Gbps ! Metcalfe s Ethernet! ...
Lecture 27 - University of Wisconsin
... simpler, cheaper than token LANs and ATM kept up with speed race: 10 Mbps – 100 Gbps ...
... simpler, cheaper than token LANs and ATM kept up with speed race: 10 Mbps – 100 Gbps ...
Network Topologies
... If a hub is used, then the topology is a physical star and a logical bus. If switch is used, then the topology is a physical star and a logical star. If IBM MAU is used, then the topology is a physical star and a logical ring. ...
... If a hub is used, then the topology is a physical star and a logical bus. If switch is used, then the topology is a physical star and a logical star. If IBM MAU is used, then the topology is a physical star and a logical ring. ...
Review Questions 1 File
... 6. Most IT LANs use transformer isolation between the LAN and the node electronics. DeviceNet uses opto-isolation. Explain why this so. 7. Compare Modbus, Ethernet and devicenet in term of number of nodes, media access and length of the transmission system 8. Briefly compare hierarchy and random acc ...
... 6. Most IT LANs use transformer isolation between the LAN and the node electronics. DeviceNet uses opto-isolation. Explain why this so. 7. Compare Modbus, Ethernet and devicenet in term of number of nodes, media access and length of the transmission system 8. Briefly compare hierarchy and random acc ...
Networking
... nodes of the network is connected to a central node with a point-to-point link in a 'hub' and 'spoke' fashion, the central node being the 'hub' and the nodes that are attached to the central node being the 'spokes' (e.g., a collection of point-to-point links from the peripheral nodes that converge a ...
... nodes of the network is connected to a central node with a point-to-point link in a 'hub' and 'spoke' fashion, the central node being the 'hub' and the nodes that are attached to the central node being the 'spokes' (e.g., a collection of point-to-point links from the peripheral nodes that converge a ...
File
... Each node periodically sends its own distance vector estimate to neighbors When node a node x receives new DV estimate from neighbor, it updates its own DV using B-F equation: Dx(y) ← minv{c(x,v) + Dv(y)} ...
... Each node periodically sends its own distance vector estimate to neighbors When node a node x receives new DV estimate from neighbor, it updates its own DV using B-F equation: Dx(y) ← minv{c(x,v) + Dv(y)} ...
Layers in OSI Model – Transport layer
... mechanisms to detect and retransmit damaged or lost frames. It also uses a mechanism to recognize duplicate frames. It is normally achieved through a trailer added to the end of frame. – Access control, when two or more devices are connected to the same link, data link layer protocols are necessary ...
... mechanisms to detect and retransmit damaged or lost frames. It also uses a mechanism to recognize duplicate frames. It is normally achieved through a trailer added to the end of frame. – Access control, when two or more devices are connected to the same link, data link layer protocols are necessary ...
Server selection
... of the node which is responsible for the key – Can easily find the servers from the successor list (r >=k) – Provides fault tolerance since when the successor fails, the next server can serve the block. – Since in general successor nodes are not likely to be physically close to each other , since th ...
... of the node which is responsible for the key – Can easily find the servers from the successor list (r >=k) – Provides fault tolerance since when the successor fails, the next server can serve the block. – Since in general successor nodes are not likely to be physically close to each other , since th ...
Lec02c-Interconnection Networks Part 2
... Multistage Omega Network: Routing • Let s be the binary representation of the source and d be that of the destination processor. • The data traverses the link to the first switching node. If the most significant bits of s and d are the same, then the data is routed in pass-through mode by the switc ...
... Multistage Omega Network: Routing • Let s be the binary representation of the source and d be that of the destination processor. • The data traverses the link to the first switching node. If the most significant bits of s and d are the same, then the data is routed in pass-through mode by the switc ...
An active star topology for CAN networks
... occurring on them can be isolated together with only the respective node. Nevertheless, the star topology still contains one single point of failure, i.e. the hub, which if faulty may lead to a global communication failure. Even so, we consider the star topology to be a good choice because it is ea ...
... occurring on them can be isolated together with only the respective node. Nevertheless, the star topology still contains one single point of failure, i.e. the hub, which if faulty may lead to a global communication failure. Even so, we consider the star topology to be a good choice because it is ea ...
Wireless Audio Conferencing System (WACS)
... Why we used RTP? TCP is not an appropriate choice for carrying real-time multimedia contents ...
... Why we used RTP? TCP is not an appropriate choice for carrying real-time multimedia contents ...