ppt
... encapsulate datagram into frame, adding header, trailer channel access if shared medium ‘physical addresses’ used in frame headers to identify source, dest • different from IP address! Error Detection: errors caused by signal attenuation, noise. receiver detects presence of errors: • sig ...
... encapsulate datagram into frame, adding header, trailer channel access if shared medium ‘physical addresses’ used in frame headers to identify source, dest • different from IP address! Error Detection: errors caused by signal attenuation, noise. receiver detects presence of errors: • sig ...
routing_algorithms
... Multiple same-cost paths allowed (only one path in RIP) For each link, multiple cost metrics for different TOS (e.g., satellite link cost set “low” for best effort; high for real time) Integrated uni- and multicast support: Multicast OSPF (MOSPF) uses same topology data base as OSPF Hierarchical O ...
... Multiple same-cost paths allowed (only one path in RIP) For each link, multiple cost metrics for different TOS (e.g., satellite link cost set “low” for best effort; high for real time) Integrated uni- and multicast support: Multicast OSPF (MOSPF) uses same topology data base as OSPF Hierarchical O ...
Analysis of Denial-of-Service attacks on Wireless Sensor Networks
... Routing disruptions can lean to DoS attacks in multihop sensor networks. They include spoofing, replaying etc. Antireplay and authentication of link layer can prevent such attacks effectively. Hello messages are broadcasted by some nodes to announce themselves to their neighbours. So a node receivin ...
... Routing disruptions can lean to DoS attacks in multihop sensor networks. They include spoofing, replaying etc. Antireplay and authentication of link layer can prevent such attacks effectively. Hello messages are broadcasted by some nodes to announce themselves to their neighbours. So a node receivin ...
Lecture 1 - Lane Department of Computer Science and Electrical
... Network Software What are the implications of this? What if you had to develop another network application? ...
... Network Software What are the implications of this? What if you had to develop another network application? ...
Presentation (ppt)
... Subscribers express interest in events Publishers create events The middleware delivers events to subscribers Decoupled, many-to-many communication Hermes is a pub/sub middleware • Type-checking, reliability, access control, transactions ...
... Subscribers express interest in events Publishers create events The middleware delivers events to subscribers Decoupled, many-to-many communication Hermes is a pub/sub middleware • Type-checking, reliability, access control, transactions ...
Télécharger le fichier - Fichier
... host to function in the network? IP address: 172.16.31.36 Subnet mask: 255.255.255.240 Default gateway: 172.16.31.35 IP address: 172.16.31.63 Subnet mask: 255.255.255.224 Default gateway: 172.16.31.35 IP address: 172.16.31.29 Subnet mask: 255.255.255.248 Default gateway: 172.16.31.35 IP address: 172 ...
... host to function in the network? IP address: 172.16.31.36 Subnet mask: 255.255.255.240 Default gateway: 172.16.31.35 IP address: 172.16.31.63 Subnet mask: 255.255.255.224 Default gateway: 172.16.31.35 IP address: 172.16.31.29 Subnet mask: 255.255.255.248 Default gateway: 172.16.31.35 IP address: 172 ...
Scheduing Algorithms for Wireless Ad
... of n identical sensor nodes. {N1 ,..., N n } Each node N i is associated with an integer Pi that represents the number of data packets stored at this node. There is one special node N 0 , the processing center (also called Base Station here). ...
... of n identical sensor nodes. {N1 ,..., N n } Each node N i is associated with an integer Pi that represents the number of data packets stored at this node. There is one special node N 0 , the processing center (also called Base Station here). ...
CSC 335 Data Communications and Networking I
... • Bus: A single communication line, typically a twisted pair, coaxial cable, or optical fiber, represents the primary medium. • Ring: packets can only be passed from one node to it’s neighbor. • Star: A hub or a computer is used to connect to all other computers. • Tree: no loop exists (logical conn ...
... • Bus: A single communication line, typically a twisted pair, coaxial cable, or optical fiber, represents the primary medium. • Ring: packets can only be passed from one node to it’s neighbor. • Star: A hub or a computer is used to connect to all other computers. • Tree: no loop exists (logical conn ...
slides - Academia Sinica
... How can we utilize P2P for simulation-purpose? Answer: depends on what you want to simulate ...
... How can we utilize P2P for simulation-purpose? Answer: depends on what you want to simulate ...
ppt
... this reason, the second term in the RHS does not show, particularly, when m is large. Furthermore, it is often not possible to control routing and placement of tasks. For these reasons, we can approximate the cost of message transfer by: Note that this does not take the increased probability of coll ...
... this reason, the second term in the RHS does not show, particularly, when m is large. Furthermore, it is often not possible to control routing and placement of tasks. For these reasons, we can approximate the cost of message transfer by: Note that this does not take the increased probability of coll ...
TK6383 Rangkaian Komputer
... Use token transmission to synchronize access to the ring Each node sends frame following clock rotation by getting the token first ...
... Use token transmission to synchronize access to the ring Each node sends frame following clock rotation by getting the token first ...
Higher Computing Computer Networking Topic 1 Network Protocols
... packet – only the IP address of the next router along the line •Packets may take different routes and take different lengths of time to be delivered ...
... packet – only the IP address of the next router along the line •Packets may take different routes and take different lengths of time to be delivered ...
Efficient Routing in Suburban Ad-Hoc Networks
... times 30 sec to 10 hr through FTP. • Node 11 sends node 0 11000 items of 1400 bytes each between simulated times 70 sec to 10 hr through FTP. • Node 12 sends node 13 9000 items of 1500 bytes each between simulated times 100 sec to 10 hr through FTP. • Node 0 sends node 11 13000 items of 512 bytes ea ...
... times 30 sec to 10 hr through FTP. • Node 11 sends node 0 11000 items of 1400 bytes each between simulated times 70 sec to 10 hr through FTP. • Node 12 sends node 13 9000 items of 1500 bytes each between simulated times 100 sec to 10 hr through FTP. • Node 0 sends node 11 13000 items of 512 bytes ea ...
... distance, predicted link expiration time and the minimum velocity broadcast topology for different condition of network density and node mobility. A spanning tree based broadcast topology exists at a particular time instant if all the edges of the tree exist in the underlying network graph correspon ...
Wireless Vibration and Temperature Sensor
... • Set vibration parameters according to ISO 10816 Vibration Severity Chart • Set a temperature threshold up to 80°C • Provides local indication, sends signal to a central location and collects data via the Gateway ...
... • Set vibration parameters according to ISO 10816 Vibration Severity Chart • Set a temperature threshold up to 80°C • Provides local indication, sends signal to a central location and collects data via the Gateway ...
P2P Simulation Platform Enhancement
... Evaluate the performance of p2p systems, in terms of cost (e.g. bandwidth) and value (e.g. reliability) Provide a "good" abstraction of the real network and application for experimental purposes. ...
... Evaluate the performance of p2p systems, in terms of cost (e.g. bandwidth) and value (e.g. reliability) Provide a "good" abstraction of the real network and application for experimental purposes. ...