ppt
... receiver acks each new packet. If packets are out-of-order, last ack is resent since new data cannot be acknowledged yet If 3 duplicate ACKs are received, assume that one segment has been lost and retransmit it immediately (fast retransmit) instead of waiting for ...
... receiver acks each new packet. If packets are out-of-order, last ack is resent since new data cannot be acknowledged yet If 3 duplicate ACKs are received, assume that one segment has been lost and retransmit it immediately (fast retransmit) instead of waiting for ...
ppt
... – Star topology may cause individual nodes to appear to halt – Tree topology may cause “split” – Messages may be sent multiple times or not at all or in corrupted form… ...
... – Star topology may cause individual nodes to appear to halt – Tree topology may cause “split” – Messages may be sent multiple times or not at all or in corrupted form… ...
Switching and Routing
... sending it to the next switch • Application: LAN (Ethernet), WAN (Internet routers) ...
... sending it to the next switch • Application: LAN (Ethernet), WAN (Internet routers) ...
Automated Management of the Regulatory Aspects of the Development and Registration of Pharmaceutical Products
... categ·ories with handwritten logs maintained for each category.. 1n Hutortaati;ng the logs, it wa~ apparent that many contained identical data caUSing unnecesu.ry duplication of work. 'nle new system referred to as the International Registration Information System (IRI"S), was developed to prevent t ...
... categ·ories with handwritten logs maintained for each category.. 1n Hutortaati;ng the logs, it wa~ apparent that many contained identical data caUSing unnecesu.ry duplication of work. 'nle new system referred to as the International Registration Information System (IRI"S), was developed to prevent t ...
Introduction - SNS Courseware
... simultaneously at different frequencies to the receiver 802.11b uses HR-DSSS (High Rate Direct Sequence Spread Spectrum) to achieve 11 Mbps in the 2.4 GHz band. 802.11g uses OFDM to achieve 54 Mbps in the 2.4 GHz band. The physical layer sensing is through the clear channel assessment (CCA) si ...
... simultaneously at different frequencies to the receiver 802.11b uses HR-DSSS (High Rate Direct Sequence Spread Spectrum) to achieve 11 Mbps in the 2.4 GHz band. 802.11g uses OFDM to achieve 54 Mbps in the 2.4 GHz band. The physical layer sensing is through the clear channel assessment (CCA) si ...
Download the bC Wireless datasheet here
... WLAN module ensures a secure wireless connection of the bC scale to an existing network. Set up, switch on – and right away you are in the network. Vendor carts and sales stands with the METTLER TOLEDO Wireless Solution benefit from increased network convenience without cable clutter and tripping ha ...
... WLAN module ensures a secure wireless connection of the bC scale to an existing network. Set up, switch on – and right away you are in the network. Vendor carts and sales stands with the METTLER TOLEDO Wireless Solution benefit from increased network convenience without cable clutter and tripping ha ...
Experimentally Modified Protocols with Transmission Count Metric
... since that particular route entry to the destination was heard. However, according to our interpretation of the original DSDV description [16], the waiting time before advertising a route should start when the first route of each sequence number is heard. Because each node’s WST is an estimate of th ...
... since that particular route entry to the destination was heard. However, according to our interpretation of the original DSDV description [16], the waiting time before advertising a route should start when the first route of each sequence number is heard. Because each node’s WST is an estimate of th ...
csci4211-data-link-part2
... worst case collision detection time kept at 51.2 (microseconds Q: What will be the minimum frame size? – 51.2 m s => minimum # of bits can be transited at 100Mpbs is 5120 bits => 640 bytes is required for collision detection – This requires change of frame format and protocol! ...
... worst case collision detection time kept at 51.2 (microseconds Q: What will be the minimum frame size? – 51.2 m s => minimum # of bits can be transited at 100Mpbs is 5120 bits => 640 bytes is required for collision detection – This requires change of frame format and protocol! ...
MAC layer
... Schiller Sec 7.3.1, 7.3.2 • 802.11 Physical layer: Schiller Sec 7.3.3 • 802.11 MAC layer: Schiller Sec 7.3.4 • 802.11 Management: Schiller Sec 7.3.5 ...
... Schiller Sec 7.3.1, 7.3.2 • 802.11 Physical layer: Schiller Sec 7.3.3 • 802.11 MAC layer: Schiller Sec 7.3.4 • 802.11 Management: Schiller Sec 7.3.5 ...
Chapter-8 - Keep in Touch with Sanjeev Maharjan
... Best Effort means that IP provide no errorcontrol or flow control IP uses only error detection mechanism and discards all the corrupted data IP does its best to deliver a packet to its destination, but doesn’t guarantee IP depends upon upper layer protocols for the reliable transmission If ...
... Best Effort means that IP provide no errorcontrol or flow control IP uses only error detection mechanism and discards all the corrupted data IP does its best to deliver a packet to its destination, but doesn’t guarantee IP depends upon upper layer protocols for the reliable transmission If ...
07-IPheader
... • If users see different “alleged” source IPs sending traffic to their network and that IPs appear to have a chronology of incrementing IP ID numbers, it is possible that the source IP are being spoofed. • The –vv option of TCPdump can be used to display the IP ID number along with the time-to-live ...
... • If users see different “alleged” source IPs sending traffic to their network and that IPs appear to have a chronology of incrementing IP ID numbers, it is possible that the source IP are being spoofed. • The –vv option of TCPdump can be used to display the IP ID number along with the time-to-live ...
Laboratory System
... 1 Introduction In this project we should design and implement a system for handling all the laboratory equipment available at Telemark University College, Faculty of Technology (Figure 1-‐1). ...
... 1 Introduction In this project we should design and implement a system for handling all the laboratory equipment available at Telemark University College, Faculty of Technology (Figure 1-‐1). ...
Chapter 20 - William Stallings, Data and Computer Communications
... level D will be delivered Traffic offered at service level E will be allotted twice the bandwidth of traffic delivered at service level F Traffic with drop precedence X has a higher probability of delivery than traffic with drop precedence Y ...
... level D will be delivered Traffic offered at service level E will be allotted twice the bandwidth of traffic delivered at service level F Traffic with drop precedence X has a higher probability of delivery than traffic with drop precedence Y ...
Document
... Does not solve problem of MTU,link problems, etc E2E lightpaths - all solutions are possible ...
... Does not solve problem of MTU,link problems, etc E2E lightpaths - all solutions are possible ...
Document
... is that all the nodes connected to a hub share the bandwidth among themselves, while a device connected to a switch port has the full bandwidth all to itself. For example, if 10 nodes are communicating using a hub on a 10-Mbps network, then each node may only get a portion of the 10 Mbps if other no ...
... is that all the nodes connected to a hub share the bandwidth among themselves, while a device connected to a switch port has the full bandwidth all to itself. For example, if 10 nodes are communicating using a hub on a 10-Mbps network, then each node may only get a portion of the 10 Mbps if other no ...
PowerPoint
... protocols needed for reliable data transfer, congestion control Circuit Switching = Guaranteed behavior ...
... protocols needed for reliable data transfer, congestion control Circuit Switching = Guaranteed behavior ...
SASC talks II - chist-era
... time, time-out and re-start time after time-out It assumes temporal and spatial homogeneity It allows for generally distributed times between hops Closed form expressions are obtained for E[T] from the diffusion model with jumps for al values of D, b, c, r, l, If b<0 (good) the average total trave ...
... time, time-out and re-start time after time-out It assumes temporal and spatial homogeneity It allows for generally distributed times between hops Closed form expressions are obtained for E[T] from the diffusion model with jumps for al values of D, b, c, r, l, If b<0 (good) the average total trave ...
SPI - Personal Web Pages
... • A sender of information transmits to all devices on the bus. All receiving devices read the message and then decide if it is relevant to them. This guarantees data integrity as all devices in the system use the same information. • Multi-Master Hierarchy: If one network node is defect the network i ...
... • A sender of information transmits to all devices on the bus. All receiving devices read the message and then decide if it is relevant to them. This guarantees data integrity as all devices in the system use the same information. • Multi-Master Hierarchy: If one network node is defect the network i ...