presentation2
... called a “session”, which allows networked resources to communicate Manages the setting up of a user “session”, exchange of information, and “tear down” as the session ends Manages issues such as who may transmit data at a certain time, and for how long, also ensuring that the system doesn’t “time o ...
... called a “session”, which allows networked resources to communicate Manages the setting up of a user “session”, exchange of information, and “tear down” as the session ends Manages issues such as who may transmit data at a certain time, and for how long, also ensuring that the system doesn’t “time o ...
Multiple Directional Antennas in Suburban Ad
... Effect on throughput (1500 bytes/packet) due to interference from other networks ...
... Effect on throughput (1500 bytes/packet) due to interference from other networks ...
Lesson Plan Network Design
... Diagram - An illustration of a plan, in networking it describes a design. Fiber Distributed Data Interface (FDDI) Hub -used to connect segments of a LAN that uses multiple ports. Hybrid hub - a device used to interconnect different types of cables and to maximize network efficiency. Layout ...
... Diagram - An illustration of a plan, in networking it describes a design. Fiber Distributed Data Interface (FDDI) Hub -used to connect segments of a LAN that uses multiple ports. Hybrid hub - a device used to interconnect different types of cables and to maximize network efficiency. Layout ...
802 21-IEEE-Security_Tutorial
... • Handover techniques that assume concurrent radio usage cannot be used • Even for dual-radio devices it might make sense to reduce the security-related signaling, as it decreases the time that both radios need to be active and thus can increase battery life • In addition, handovers between networks ...
... • Handover techniques that assume concurrent radio usage cannot be used • Even for dual-radio devices it might make sense to reduce the security-related signaling, as it decreases the time that both radios need to be active and thus can increase battery life • In addition, handovers between networks ...
Class Notes
... exams are forbidden. Each must do his/her own work. You will get zero mark for the work if caught cheating for the first time. For the second time, you will FAIL the course and be reported to the University Disciplinary Committee for further action. ...
... exams are forbidden. Each must do his/her own work. You will get zero mark for the work if caught cheating for the first time. For the second time, you will FAIL the course and be reported to the University Disciplinary Committee for further action. ...
Fluid Networking Description
... time. • Very small so it uses up limited bandwidth. • Each node – has no network knowledge – follows instructions (if any) provided on policy routing and maximum port bandwidth – processes each packet at wire speed in hardware Copyright 2006 Modern Systems Research ...
... time. • Very small so it uses up limited bandwidth. • Each node – has no network knowledge – follows instructions (if any) provided on policy routing and maximum port bandwidth – processes each packet at wire speed in hardware Copyright 2006 Modern Systems Research ...
QoS in Converged Networks
... Another problem is that, when broadcasts occur, every device on the network can receive them, which is a potential security hazard. 802.1q VLAN (virtual LAN) is a way to separate Ethernet traffic logically, secure Ethernet broadcast domains, organize the network by separating network protocols into ...
... Another problem is that, when broadcasts occur, every device on the network can receive them, which is a potential security hazard. 802.1q VLAN (virtual LAN) is a way to separate Ethernet traffic logically, secure Ethernet broadcast domains, organize the network by separating network protocols into ...
Standard Financial Charts for Reviews
... • Add simple CRC check capability in an extension block or the header – Current No checksum is included in the basic DTN Bundle Protocol • It is not possible to verify that bundles have been either forwarded or passed through convergence layers without error. – Current solution is to use reliability ...
... • Add simple CRC check capability in an extension block or the header – Current No checksum is included in the basic DTN Bundle Protocol • It is not possible to verify that bundles have been either forwarded or passed through convergence layers without error. – Current solution is to use reliability ...
DQSA
... • The basic DQSA network consists of a fourstate logic machine at each node. • Sits above the physical layer – any medium, and below the network layer – DQSA just slides in. • A DQSA switch can look like an Ethernet ...
... • The basic DQSA network consists of a fourstate logic machine at each node. • Sits above the physical layer – any medium, and below the network layer – DQSA just slides in. • A DQSA switch can look like an Ethernet ...
Challenges and a Solution to Support QoS for Real
... Used GloMoSim (version 2.02) Nodes are separated by at most 240 meters, Nodes use same TX power with a TX range of 240 m Use EDCA of IEEE 802.11e in the link layer Physical layer uses OFDM with a Physical layer operates at the TX rate of 54 Mbps Session consists of UDP type CBR traffic Routi ...
... Used GloMoSim (version 2.02) Nodes are separated by at most 240 meters, Nodes use same TX power with a TX range of 240 m Use EDCA of IEEE 802.11e in the link layer Physical layer uses OFDM with a Physical layer operates at the TX rate of 54 Mbps Session consists of UDP type CBR traffic Routi ...
ppt
... • Reasonable goal: lowest power for max rate • But finding ths empirically is hard! Many {power, rate} combinations, and not always easy to predict how each will perform • Alternate goal: lowest power for max needed rate • But this interacts with other people because you use more channel time to sen ...
... • Reasonable goal: lowest power for max rate • But finding ths empirically is hard! Many {power, rate} combinations, and not always easy to predict how each will perform • Alternate goal: lowest power for max needed rate • But this interacts with other people because you use more channel time to sen ...
IP2515381543
... network also acts as a router, forwarding data packets for other nodes. A central challenge in the design of ad hoc networks is the development of dynamic routing protocols that can efficiently find routes between two communicating nodes. The goal is to carry out a systematic performance & comparati ...
... network also acts as a router, forwarding data packets for other nodes. A central challenge in the design of ad hoc networks is the development of dynamic routing protocols that can efficiently find routes between two communicating nodes. The goal is to carry out a systematic performance & comparati ...
Privacy and Security on Internet: Virtual Private Networks
... reliability of ensuring the prioritization of missioncritical applications, and scalable management requirements to accommodate a rapidly growing number of users, offices and applications. ...
... reliability of ensuring the prioritization of missioncritical applications, and scalable management requirements to accommodate a rapidly growing number of users, offices and applications. ...
Ch05a
... • Provided by UDP Sending packets individually without a virtual circuit Each packet is sent independently of one another, and will be routed separately, following different routes and arriving at different times ...
... • Provided by UDP Sending packets individually without a virtual circuit Each packet is sent independently of one another, and will be routed separately, following different routes and arriving at different times ...
Review() - Personal.psu.edu
... • Low error rates and relatively symmetric bidirectional data rates ...
... • Low error rates and relatively symmetric bidirectional data rates ...
Data Communications began in 1940 when Dr George Stibbitz sent
... When ARPAnet was a small network it was possible to maintain a table of all the computers and what their addresses were. With the open-ended architecture of TCP/IP, this was no longer feasible, and a system of maintaining addresses called the Domain Name Server was created. This system introduced a ...
... When ARPAnet was a small network it was possible to maintain a table of all the computers and what their addresses were. With the open-ended architecture of TCP/IP, this was no longer feasible, and a system of maintaining addresses called the Domain Name Server was created. This system introduced a ...
Sample
... Which of the following is an Internet connection type generally used only in telecommunications? A. DS0 B. ISDN C. T3 D. OC12 ...
... Which of the following is an Internet connection type generally used only in telecommunications? A. DS0 B. ISDN C. T3 D. OC12 ...
Computer Networks - IESL e
... used for Media Access Control. Briefly explain. [4 Marks] 7.3 IEEE 802.3 is a widely used protocol in data transmission. Draw the IEEE 802.3 frame structure, clearly indicate each field size and state the importance of each of those fields. [5 Marks] 7.4 IP packet of 1520 bytes is to be transmitted ...
... used for Media Access Control. Briefly explain. [4 Marks] 7.3 IEEE 802.3 is a widely used protocol in data transmission. Draw the IEEE 802.3 frame structure, clearly indicate each field size and state the importance of each of those fields. [5 Marks] 7.4 IP packet of 1520 bytes is to be transmitted ...
Pascal Thubert Thomas Watteyne
... • Is the Token needed • Can the ACK be used (corollary: what ACK are we talking about?) • Can a child ask more cells before receiving an ACK ...
... • Is the Token needed • Can the ACK be used (corollary: what ACK are we talking about?) • Can a child ask more cells before receiving an ACK ...
PPT
... Focus: measure data-plane failure caused by routing changes Methodology: light-weight active probing Triggered by locally observed routing updates Probing target of a live IP within the prefix ...
... Focus: measure data-plane failure caused by routing changes Methodology: light-weight active probing Triggered by locally observed routing updates Probing target of a live IP within the prefix ...
Preventing Black Hole Attack in MANETs Using Randomized Multipath Routing Algorithm
... reconstruct the original packet. No information can be recovered from less than T shares. ...
... reconstruct the original packet. No information can be recovered from less than T shares. ...
ppt
... The data rate of 3G cellular network is 144kbps and end-to-end RTT over a 3G cellular network is 300msec The data rate within WLAN is 2Mbps and end-to-end RTT over a WLAN network is ...
... The data rate of 3G cellular network is 144kbps and end-to-end RTT over a 3G cellular network is 300msec The data rate within WLAN is 2Mbps and end-to-end RTT over a WLAN network is ...