PowerPoint - ECSE - Rensselaer Polytechnic Institute
... √ Explicit NAKs are essential in any retransmission-based reliability scheme √ Stop-and-wait is quite efficient if the transmission time of packets is very large compared to propagation times (eg: low-speed LANs) √ Sliding window protocols can never attain a utilization of 100% ...
... √ Explicit NAKs are essential in any retransmission-based reliability scheme √ Stop-and-wait is quite efficient if the transmission time of packets is very large compared to propagation times (eg: low-speed LANs) √ Sliding window protocols can never attain a utilization of 100% ...
Chapter 4b
... x reachable via AS3 (gateway 1c) but not via AS2. inter-AS protocol propagates reachability info to all ...
... x reachable via AS3 (gateway 1c) but not via AS2. inter-AS protocol propagates reachability info to all ...
Ethernet and Fiber Channel
... Key Aspects of Bridge Function • Makes no modification to content or format of frames it receives; simply copies from one LAN and repeats with exactly the same bit pattern as the other LAN. • Should contain enough buffer space to meet peak demands. • Must contain addressing and routing intelligence ...
... Key Aspects of Bridge Function • Makes no modification to content or format of frames it receives; simply copies from one LAN and repeats with exactly the same bit pattern as the other LAN. • Should contain enough buffer space to meet peak demands. • Must contain addressing and routing intelligence ...
Ethernet - Mt. Hood Community College
... There may be a different layer 2 protocol in use on each hop of a journey. Different media, different types of link, different bandwidths, LAN/WAN affect the choice of protocol. Different protocols have different frames. The router removes the old frame and adds a new header and trailer for the next ...
... There may be a different layer 2 protocol in use on each hop of a journey. Different media, different types of link, different bandwidths, LAN/WAN affect the choice of protocol. Different protocols have different frames. The router removes the old frame and adds a new header and trailer for the next ...
Computer Signals
... Transport/Network layer protocol. The TCP makes sure that the data is correctly sized, properly put in packets, and sequenced back in the right order upon receipt. The TCP, also known as a connection-oriented protocol, ...
... Transport/Network layer protocol. The TCP makes sure that the data is correctly sized, properly put in packets, and sequenced back in the right order upon receipt. The TCP, also known as a connection-oriented protocol, ...
ppt
... - How does the Internet work? - What are the Internet’s design principles? - Where is the Internet heading to? ...
... - How does the Internet work? - What are the Internet’s design principles? - Where is the Internet heading to? ...
CloudTrax Network Planning Guide
... through walls and floors). Look for a signal strength (or “RSSI”) of at least 17, where 20+ is desireable. You can add, remove, or reposition nodes as needed at any time. For large installs, test your environment with CloudTrax and two or three nodes before buying all of the nodes. You’ll be able to ...
... through walls and floors). Look for a signal strength (or “RSSI”) of at least 17, where 20+ is desireable. You can add, remove, or reposition nodes as needed at any time. For large installs, test your environment with CloudTrax and two or three nodes before buying all of the nodes. You’ll be able to ...
MakingNetworksWork - Computing Sciences
... • The IEEE defined a set of LAN standards to ensure network interface and cabling compatibility – Project 802 (inception on February (2) of 1980) • Concentrates on standards that describe a network’s physical elements – NICs, cables, connectors, signaling technologies, media access control, and the ...
... • The IEEE defined a set of LAN standards to ensure network interface and cabling compatibility – Project 802 (inception on February (2) of 1980) • Concentrates on standards that describe a network’s physical elements – NICs, cables, connectors, signaling technologies, media access control, and the ...
Darwin: Customizable Resource Management for Value
... – Also several recent extensions (covered later) ...
... – Also several recent extensions (covered later) ...
ppt
... »paper cites variety of previous tree construction algorithms »argues that use of mesh makes tree quality less important »most results use random tree Data ...
... »paper cites variety of previous tree construction algorithms »argues that use of mesh makes tree quality less important »most results use random tree Data ...
PPT - mrazian.com
... idle, starts frame transmission. If NIC senses channel busy, waits until channel idle, then transmits. 3. If NIC transmits entire frame without detecting another transmission, NIC is done with frame ! ...
... idle, starts frame transmission. If NIC senses channel busy, waits until channel idle, then transmits. 3. If NIC transmits entire frame without detecting another transmission, NIC is done with frame ! ...
Communication Network Protocols
... • Layers for a standardized network architecture and the associated protocols are referred as protocol suite. • Each protocol object has function specification and two different interfaces – service interface: defines operations on this protocol – peer-to-peer interface: defines messages exchanged w ...
... • Layers for a standardized network architecture and the associated protocols are referred as protocol suite. • Each protocol object has function specification and two different interfaces – service interface: defines operations on this protocol – peer-to-peer interface: defines messages exchanged w ...
seminar
... a countdown timer. A node will send out a NACK to the local broadcast address when the timer fires. In the NACK packet, the sensor will indicate the page number it is asking for and messages it needs to decode all messages in the page. ...
... a countdown timer. A node will send out a NACK to the local broadcast address when the timer fires. In the NACK packet, the sensor will indicate the page number it is asking for and messages it needs to decode all messages in the page. ...
On the capacity of ad hoc networks under general node mobility
... n nodes moving according to a stationary and ergodic mobility process (possibly correlated among the nodes) A source node s generates traffic for destination d according to a stationary and ergodic process with rate sd Transmissions between pairs of nodes occur at fixed rate r At any given ...
... n nodes moving according to a stationary and ergodic mobility process (possibly correlated among the nodes) A source node s generates traffic for destination d according to a stationary and ergodic process with rate sd Transmissions between pairs of nodes occur at fixed rate r At any given ...
LocationSeparation
... part that has topological meaning, and a part that is used to identify the host. ...
... part that has topological meaning, and a part that is used to identify the host. ...
Intro to Wireless Mesh Networks - McMaster Computing and Software
... A Survey, Computer Networks Journal (Elsevier), March 2005. ...
... A Survey, Computer Networks Journal (Elsevier), March 2005. ...
architectural study of littoral zone sensing using
... Communication is said to be successful only if the message is received at the right recipient at the right time at the right format. This architecture [7] shown in Fig.5 focus on reliability and robustness. It aims to ensure that the data send must be received by any of the sink and then send to on- ...
... Communication is said to be successful only if the message is received at the right recipient at the right time at the right format. This architecture [7] shown in Fig.5 focus on reliability and robustness. It aims to ensure that the data send must be received by any of the sink and then send to on- ...
TOPOLOGIES BUS TOPOLOGY
... only. The failure of a transmission line linking any peripheral node to the central node will result in the isolation of that peripheral node from all others, but the rest of the systems will be unaffected. It is also designed with each node (file servers, workstations, and peripherals) ...
... only. The failure of a transmission line linking any peripheral node to the central node will result in the isolation of that peripheral node from all others, but the rest of the systems will be unaffected. It is also designed with each node (file servers, workstations, and peripherals) ...
CHAPTER 4
... DeviceNet Advantage • Many DeviceNet devices are intelligent. • Photo switch has counters and timers incorporated into sensor. • PLC does not need to have timer or counter on ladder. • When timer or counter is done, the action is carried out through RSNetWorx for DeviceNet software to trigger field ...
... DeviceNet Advantage • Many DeviceNet devices are intelligent. • Photo switch has counters and timers incorporated into sensor. • PLC does not need to have timer or counter on ladder. • When timer or counter is done, the action is carried out through RSNetWorx for DeviceNet software to trigger field ...
