ReviewSheet Midterm2 Last modified January 7
... 4. If 8-bit chip code is used in DSSS (Direct Sequence Spread Spectrum) and the user original data rate is 1 K bits/sec, then the output data rate of the DSSS transmitter will be ___. (a) 1 Kbits /sec (b) 8 K bits/sec (c) 1 / 8 Kbits/sec (d) none of the above. 5. In DSSS-CDMA, the dot product betwee ...
... 4. If 8-bit chip code is used in DSSS (Direct Sequence Spread Spectrum) and the user original data rate is 1 K bits/sec, then the output data rate of the DSSS transmitter will be ___. (a) 1 Kbits /sec (b) 8 K bits/sec (c) 1 / 8 Kbits/sec (d) none of the above. 5. In DSSS-CDMA, the dot product betwee ...
Addressing, Routing, and Forwarding
... • safe_dr_get_next_hop(ip): Called when router needs to know how to route a packet. Returns which interface packet should be sent out and IP address of next hop. • safe_dr_handle_packet: Method called when router receives a dynamic routing packet. • safe_dr_handle_periodic(): Method called periodica ...
... • safe_dr_get_next_hop(ip): Called when router needs to know how to route a packet. Returns which interface packet should be sent out and IP address of next hop. • safe_dr_handle_packet: Method called when router receives a dynamic routing packet. • safe_dr_handle_periodic(): Method called periodica ...
No Slide Title - University of Delaware
... Faster Simulated Annealing and other techniques to optimize more complex cost functions over more nodes. Better local maintenance algorithms based on the reclustering cost functions. Optimize for specific routing metrics (e.g., maximum path length and percentage suboptimatily) . ...
... Faster Simulated Annealing and other techniques to optimize more complex cost functions over more nodes. Better local maintenance algorithms based on the reclustering cost functions. Optimize for specific routing metrics (e.g., maximum path length and percentage suboptimatily) . ...
SCORE: A Scalable Architecture for Implementing Resource
... Different reservation styles (we skip this…) Soft state inside network Decouple routing from reservation ...
... Different reservation styles (we skip this…) Soft state inside network Decouple routing from reservation ...
Middleware issues for ad hoc networks
... The distribution of services and data can fit well with the decentralized nature of Ad Hoc networks ...
... The distribution of services and data can fit well with the decentralized nature of Ad Hoc networks ...
SEARCH ALGORITHMS IN PEER TO PEER NETWORKS
... • Keys mapped evenly to all nodes in the network • Each node maintains information about only a few other nodes • Efficient routing of messages to nodes • Node insertion/deletion only affects a few nodes ...
... • Keys mapped evenly to all nodes in the network • Each node maintains information about only a few other nodes • Efficient routing of messages to nodes • Node insertion/deletion only affects a few nodes ...
PPT - TIME.mk
... Link State Routing Each router must do the following: A. Discover its neighbors, learn their network address. B. Measure the delay or cost to each of its neighbors. C. Construct a packet telling all it has just learned. D. Send this packet to all other routers. E. Compute the shortest path to every ...
... Link State Routing Each router must do the following: A. Discover its neighbors, learn their network address. B. Measure the delay or cost to each of its neighbors. C. Construct a packet telling all it has just learned. D. Send this packet to all other routers. E. Compute the shortest path to every ...
Slide 1
... Forward the packet to all port except the one the packet arrived on Otherwise drop the packet For bandwidth efficiency: Truncated reverse-path broadcasting ...
... Forward the packet to all port except the one the packet arrived on Otherwise drop the packet For bandwidth efficiency: Truncated reverse-path broadcasting ...
CoolStreaming,_DONet_A_Data-driven_Overlay_Network_for_Peer
... Playback deadline of each segment ...
... Playback deadline of each segment ...
ppt
... End systems in a multicast group self-organize into an overlay structure using distributed protocol. Adapt to network dynamics and consider application level performance to achieve high efficiency. Organize end hosts into a mesh; run MST algorithm to produce a multicast tree. Routing underlay can pr ...
... End systems in a multicast group self-organize into an overlay structure using distributed protocol. Adapt to network dynamics and consider application level performance to achieve high efficiency. Organize end hosts into a mesh; run MST algorithm to produce a multicast tree. Routing underlay can pr ...
ppt - Brain Dynamics Laboratory
... tract-tracing data. The dynamic equations were derived from a model of large neuronal populations, the parameters of which were set to physiological values. Data from computer simulations then yield functional brain networks. Such networks are derived from measures of association between the simulat ...
... tract-tracing data. The dynamic equations were derived from a model of large neuronal populations, the parameters of which were set to physiological values. Data from computer simulations then yield functional brain networks. Such networks are derived from measures of association between the simulat ...
Ad Hoc Network Protocols2
... A fleet of ships at sea. Emergency workers at an earthquake that destroyed the infrastructure. A gathering of people with notebook computers in an area lacking 802.11. Scientific field networks. ...
... A fleet of ships at sea. Emergency workers at an earthquake that destroyed the infrastructure. A gathering of people with notebook computers in an area lacking 802.11. Scientific field networks. ...
CROSS-ROAD: CROSS-layer Ring Overlay for AD hoc networks
... “remote” nodes status (referred only to routing table knowledge). A “remote” node is considered disconnected from the Pastry network if it doesn’t answer to a polling message ...
... “remote” nodes status (referred only to routing table knowledge). A “remote” node is considered disconnected from the Pastry network if it doesn’t answer to a polling message ...
Skr4800_CHP7
... updates(usually 30-60 seconds), usually generates more network traffic and results in slower convergence. RIP is an efficient routing protocol for most of the small to medium size ...
... updates(usually 30-60 seconds), usually generates more network traffic and results in slower convergence. RIP is an efficient routing protocol for most of the small to medium size ...
lecture02
... packets, can be potentially lost, can be potentially delivered out-of-order • What you may want: application-to-application (end-to-end) channel, communication stream, ...
... packets, can be potentially lost, can be potentially delivered out-of-order • What you may want: application-to-application (end-to-end) channel, communication stream, ...
Lektion 1-Introduktion
... Interior Routing Protocols The goal: To choose the best path, among a set of alternatives based on some or a combination of criteria (e. g. minimum delay, maximum throughput etc.) The objectives are to use the network resources (bandwidth and the router’s buffers and processing power) in the be ...
... Interior Routing Protocols The goal: To choose the best path, among a set of alternatives based on some or a combination of criteria (e. g. minimum delay, maximum throughput etc.) The objectives are to use the network resources (bandwidth and the router’s buffers and processing power) in the be ...
Routing - OS3.nl
... Routers within the boundary of a single AS communicate with each other to provide ...
... Routers within the boundary of a single AS communicate with each other to provide ...
mathcs.slu.edu
... Or if the packet arrived damaged, a negative acknowledgement (NAK) – Sender will resend damaged packets. Also, if a long time passes without an ACK or NAK, it assumes the packet must have been lost, and so it resends. ...
... Or if the packet arrived damaged, a negative acknowledgement (NAK) – Sender will resend damaged packets. Also, if a long time passes without an ACK or NAK, it assumes the packet must have been lost, and so it resends. ...
View File
... address of outgoing packets, decoding the address of incoming packets, and maintaining routing information for proper response to changing load levels ...
... address of outgoing packets, decoding the address of incoming packets, and maintaining routing information for proper response to changing load levels ...
View File - University of Engineering and Technology, Taxila
... not need to receive them • Potentially lower reliability of data delivery – Flooding uses broadcasting -- hard to implement reliable broadcast delivery without significantly increasing overhead – Broadcasting in IEEE 802.11 MAC is unreliable – In our example, nodes J and K may transmit to node D sim ...
... not need to receive them • Potentially lower reliability of data delivery – Flooding uses broadcasting -- hard to implement reliable broadcast delivery without significantly increasing overhead – Broadcasting in IEEE 802.11 MAC is unreliable – In our example, nodes J and K may transmit to node D sim ...