Chapter 15 - William Stallings, Data and Computer
... MAC layer detects errors and discards frames LLC optionally retransmits unsuccessful frames ...
... MAC layer detects errors and discards frames LLC optionally retransmits unsuccessful frames ...
Switching and Routing
... – Deterministic: always follow the same path – Adaptive: pick different paths to avoid congestion ...
... – Deterministic: always follow the same path – Adaptive: pick different paths to avoid congestion ...
Bridges
... MAC layer detects errors and discards frames LLC optionally retransmits unsuccessful frames ...
... MAC layer detects errors and discards frames LLC optionally retransmits unsuccessful frames ...
PPT
... This module covers data link layer issues, such as local area networks (LANs) and point-to-point links, Ethernet, and the Point-to-Point Protocol (PPP). ...
... This module covers data link layer issues, such as local area networks (LANs) and point-to-point links, Ethernet, and the Point-to-Point Protocol (PPP). ...
投影片 1
... • As such, a unicast routing path set up between a pair of vehicles breaks frequently. ...
... • As such, a unicast routing path set up between a pair of vehicles breaks frequently. ...
ppt1
... message to the entire network to enable every other node to compute its perimeter vector 3. Perimeter and bootstrap nodes broadcast their perimeter vectors to the entire network 4. Each node uses these inter-perimeter distances to compute normalized coordinates for both itself and the perimeter node ...
... message to the entire network to enable every other node to compute its perimeter vector 3. Perimeter and bootstrap nodes broadcast their perimeter vectors to the entire network 4. Each node uses these inter-perimeter distances to compute normalized coordinates for both itself and the perimeter node ...
3-1-4 georouting08
... – small per-node routing state – small routing protocol message complexity – robust packet delivery on densely deployed, mobile wireless networks • TCP is extremely sensitive to path breakage (timeout) -- It does very well with georouting • Outperforms DSR and AODV • Drawback: it requires knowledge ...
... – small per-node routing state – small routing protocol message complexity – robust packet delivery on densely deployed, mobile wireless networks • TCP is extremely sensitive to path breakage (timeout) -- It does very well with georouting • Outperforms DSR and AODV • Drawback: it requires knowledge ...
Chapter 7 - YSU Computer Science & Information Systems
... • Bridges use various link layer protocols that dictate specific flow control, error handling, addressing, and media access algorithms • Data link layer protocols include Ethernet, Token Ring, and FDDI. ...
... • Bridges use various link layer protocols that dictate specific flow control, error handling, addressing, and media access algorithms • Data link layer protocols include Ethernet, Token Ring, and FDDI. ...
l02network2
... Every Ethernet device (everywhere in the world!) has a unique address The Institute of Electrical and Electronics Engineers (IEEE) allocates addresses to manufacturers, who build a unique address into each Ethernet device Transmission – Carrier Sense Multiple Access with Collision Detection (CSMA/ ...
... Every Ethernet device (everywhere in the world!) has a unique address The Institute of Electrical and Electronics Engineers (IEEE) allocates addresses to manufacturers, who build a unique address into each Ethernet device Transmission – Carrier Sense Multiple Access with Collision Detection (CSMA/ ...
CN-II_T2_SOLUTION
... – In centralized routing protocols, the routing decision is made at a central node. – In distributed routing protocols, the routing decision is made by all the network nodes. – Routing protocols in most efficiently designed ad-hoc networks are distributed to increase the reliability of the network. ...
... – In centralized routing protocols, the routing decision is made at a central node. – In distributed routing protocols, the routing decision is made by all the network nodes. – Routing protocols in most efficiently designed ad-hoc networks are distributed to increase the reliability of the network. ...
powerpoint slides - TAMU Computer Science Faculty Pages
... Policing / Reshaping • Policing: – at edge of network – traffic may exceed TSPEC – policing makes sure that b(I) <= M + min(pI, rI+b-M) – non-conforming datagrams should be treated as best-effort datagrams. (how?) • Reshaping: – inside the network – delay non-conformant datagrams until they are wit ...
... Policing / Reshaping • Policing: – at edge of network – traffic may exceed TSPEC – policing makes sure that b(I) <= M + min(pI, rI+b-M) – non-conforming datagrams should be treated as best-effort datagrams. (how?) • Reshaping: – inside the network – delay non-conformant datagrams until they are wit ...
Document
... • Designed for wireless controls and sensors • Operates in Personal Area Networks (PAN’s) and device-todevice networks • Connectivity between small packet devices • Control of lights, switches, thermostats, appliances, etc. ...
... • Designed for wireless controls and sensors • Operates in Personal Area Networks (PAN’s) and device-todevice networks • Connectivity between small packet devices • Control of lights, switches, thermostats, appliances, etc. ...
coppin chapter 11
... The perceptron is trained as follows: First, inputs are given random weights (usually between –0.5 and 0.5). An item of training data is presented. If the perceptron mis-classifies it, the weights are modified according to the following: ...
... The perceptron is trained as follows: First, inputs are given random weights (usually between –0.5 and 0.5). An item of training data is presented. If the perceptron mis-classifies it, the weights are modified according to the following: ...
slides
... Promiscuous Mode • Possible to put interface/OS into special mode • Where it looks at every packet, whether or not it’s addressed. • This is the basis of network monitoring. • Let’s do it: ...
... Promiscuous Mode • Possible to put interface/OS into special mode • Where it looks at every packet, whether or not it’s addressed. • This is the basis of network monitoring. • Let’s do it: ...
XYZ proposal to SP100
... Inbound a priori routing, with some path diversity, directed toward gateway Outbound routing follows the reverse route Peer-to-peer routing through common ancestor The details can get a little hairy, but the techniques are well understood in this room ...
... Inbound a priori routing, with some path diversity, directed toward gateway Outbound routing follows the reverse route Peer-to-peer routing through common ancestor The details can get a little hairy, but the techniques are well understood in this room ...
The Network Management Problem
... IP is packet-based—IP nodes make forwarding decisions with every packet. IP is not connection-oriented. IP provides a single class of service: best effort. IP does not provide traffic engineering capabilities. IP packets have two main sections: header and data. IP header lookups are required at each ...
... IP is packet-based—IP nodes make forwarding decisions with every packet. IP is not connection-oriented. IP provides a single class of service: best effort. IP does not provide traffic engineering capabilities. IP packets have two main sections: header and data. IP header lookups are required at each ...
PPT File for
... parallel capacity resources, cluster management becomes a more critical issue, which is why we required the ICE management tool from Linux NetworX.” Lawrence Livermore National Laboratories Dr. Mark Seager, Asst. Dept. Head for TeraScale Systems ...
... parallel capacity resources, cluster management becomes a more critical issue, which is why we required the ICE management tool from Linux NetworX.” Lawrence Livermore National Laboratories Dr. Mark Seager, Asst. Dept. Head for TeraScale Systems ...
Midterm Answers
... b. (5) What is the difference between throughput and bandwidth? Throughput is actual bits per second transmitted, bandwidth is potential bits per second. In some contexts, you may compute throughput as useful bits transmitted, which means ignoring headers that were transmitted. 3. (30) Consider the ...
... b. (5) What is the difference between throughput and bandwidth? Throughput is actual bits per second transmitted, bandwidth is potential bits per second. In some contexts, you may compute throughput as useful bits transmitted, which means ignoring headers that were transmitted. 3. (30) Consider the ...
lynettefinalpres_Revisiting_Pairwise2
... required or improve security by trading-off a very small number of isolated nodes. Simulation shows that communication overhead does not increase significantly even after reducing the node ...
... required or improve security by trading-off a very small number of isolated nodes. Simulation shows that communication overhead does not increase significantly even after reducing the node ...
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 ...
QoS Routing for MPLS Networks Employing Mobile Agents
... mechanism, so that waves can communicate with programs written in other languages. Waves use the information they gather when traversing the network to build a Knowledge Network (KN). Wave agents are able to clone themselves in a virus like fashion and are then propagated to neighboring nodes. ...
... mechanism, so that waves can communicate with programs written in other languages. Waves use the information they gather when traversing the network to build a Knowledge Network (KN). Wave agents are able to clone themselves in a virus like fashion and are then propagated to neighboring nodes. ...
GL3211911195
... multi-hop ad hoc networks. The ant Colony optimization meta-heuristic is based on agent systems and works with individual ants. This allows a high adaptation to the current topology of the network. Local work - In contrast to other routing approaches, ant Colony optimization meta-heuristic is based ...
... multi-hop ad hoc networks. The ant Colony optimization meta-heuristic is based on agent systems and works with individual ants. This allows a high adaptation to the current topology of the network. Local work - In contrast to other routing approaches, ant Colony optimization meta-heuristic is based ...
IOSR Journal of Computer Engineering (IOSR-JCE)
... contains the nodes that are not in C and N. Initially „C‟ contains „s‟ and „ U‟ contains „D‟ and all neighbors of „C „ is removed from „ U ,and placed to‟ N‟ . A node in „N‟ is selected as candidate and added to „C‟ until „U‟ becomes empty. The selection of anode is based on the cost function Tree-J ...
... contains the nodes that are not in C and N. Initially „C‟ contains „s‟ and „ U‟ contains „D‟ and all neighbors of „C „ is removed from „ U ,and placed to‟ N‟ . A node in „N‟ is selected as candidate and added to „C‟ until „U‟ becomes empty. The selection of anode is based on the cost function Tree-J ...