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lecture5 - Andrew.cmu.edu
... » Detect collisions by timing out for ACK » Recover from collision by trying after random delay – Too short large number of collisions – Too long underutilization ...
... » Detect collisions by timing out for ACK » Recover from collision by trying after random delay – Too short large number of collisions – Too long underutilization ...
Optical coherence tomography (OCT): a review
... in the tissue; the time delay of a layer located at position reflected sample beam relative to the reference beam is defined , with the position of the reference mirror as given by . This simple convolution model has been used in several studies [9], [12], [26], [27] to measure the locations and ref ...
... in the tissue; the time delay of a layer located at position reflected sample beam relative to the reference beam is defined , with the position of the reference mirror as given by . This simple convolution model has been used in several studies [9], [12], [26], [27] to measure the locations and ref ...
Underlying Technologies
... – Also called “packet-switched” services. – There is no dedicated circuit between endpoints. – Communication is split up into small digitized chunks (packets). – End-to-end communication is potentially performed through many different routes depending on network load. Advantage: Communication redund ...
... – Also called “packet-switched” services. – There is no dedicated circuit between endpoints. – Communication is split up into small digitized chunks (packets). – End-to-end communication is potentially performed through many different routes depending on network load. Advantage: Communication redund ...
LumiNOC: A Power-Efficient, High-Performance, Photonic Network
... utilization to achieve better efficiency and performance. Unlike these designs, however, LumiNOC leverages the same channels for arbitration, parallel data transmission and flow control, efficiently utilizing the photonic resources. Similar to Clos [17], LumiNOC is also a multi-stage design, however ...
... utilization to achieve better efficiency and performance. Unlike these designs, however, LumiNOC leverages the same channels for arbitration, parallel data transmission and flow control, efficiently utilizing the photonic resources. Similar to Clos [17], LumiNOC is also a multi-stage design, however ...
Click
... • Using the EDCA scheme, nodes that offer high-priority traffic, have a higher probability of gaining channel access than the nodes offering lower-priority traffic. • Granularity within priority slots is possible by carrying this technique to exponential back-off. Higher-priority devices will back o ...
... • Using the EDCA scheme, nodes that offer high-priority traffic, have a higher probability of gaining channel access than the nodes offering lower-priority traffic. • Granularity within priority slots is possible by carrying this technique to exponential back-off. Higher-priority devices will back o ...
Solutions Brief - Coriant Transcend™ SDN Solution
... The Coriant Transcend™ SDN Solution is a modular SDN software suite that combines the benefits of an open, programmable, and automated multi-layer SDN software platform and a proven portfolio of packet optical transport and IP/MPLS edge routing solutions to enable dynamic end-to-end network control. ...
... The Coriant Transcend™ SDN Solution is a modular SDN software suite that combines the benefits of an open, programmable, and automated multi-layer SDN software platform and a proven portfolio of packet optical transport and IP/MPLS edge routing solutions to enable dynamic end-to-end network control. ...
... generated in power stations and transmission lines. Therefore, two new integrated electric field sensors are proposed, each of which exploits the aforementioned micro-fabrication techniques. The first device is based on a proton-exchange waveguide at cut-off, centered on a few microns wide domain-in ...
Soliton Radiation Beat Analysis of Optical Pulses Generated from
... input field, we also study a single cosine-hump since this will provide us with information about the behaviour when single solitons are well separated. To study the contrary case of strongly overlapping solitons, we decode the case of a maximally compressed Akmediev breather as initial condition. T ...
... input field, we also study a single cosine-hump since this will provide us with information about the behaviour when single solitons are well separated. To study the contrary case of strongly overlapping solitons, we decode the case of a maximally compressed Akmediev breather as initial condition. T ...
Document
... • ABwE is a light weight available bandwidth measurement tool based on the packet pair dispersion technique. • It uses fixed size packets with specific delay between each packet pair. • The observed packet pair delay is converted into available bandwidth calculations. • The tool can be used in conti ...
... • ABwE is a light weight available bandwidth measurement tool based on the packet pair dispersion technique. • It uses fixed size packets with specific delay between each packet pair. • The observed packet pair delay is converted into available bandwidth calculations. • The tool can be used in conti ...
computer networks sample question bank
... Q-2. How FDDI offers higher reliability than token ring protocol? Ans: Token ring protocol is applicable in a single ring. Disadvantage of this protocol is that, if one segment of wires fails or a node fails, the protocol cannot work. To increase reliability, dual counter ring topology used in FDDI ...
... Q-2. How FDDI offers higher reliability than token ring protocol? Ans: Token ring protocol is applicable in a single ring. Disadvantage of this protocol is that, if one segment of wires fails or a node fails, the protocol cannot work. To increase reliability, dual counter ring topology used in FDDI ...
e3-e4 cfa core subject
... 120. In GPON the upstream and downstream rates available for a subscriber are 1.25 Gbps and 2.5 Gbps respectively. 121. GPON stands for Gigabit Capable Passive Optical Network. 122. The GPON uses WDM technology to implement the bi-directional transmission over a single fibre. 123. In GPON the downst ...
... 120. In GPON the upstream and downstream rates available for a subscriber are 1.25 Gbps and 2.5 Gbps respectively. 121. GPON stands for Gigabit Capable Passive Optical Network. 122. The GPON uses WDM technology to implement the bi-directional transmission over a single fibre. 123. In GPON the downst ...
Optimizing Matrix Multiply
... • Circuit switching: full path reserved for entire message, like the telephone. • Packet switching: message broken into separatelyrouted packets, like the post office. • Flow control (what if there is congestion): • Stall, store data temporarily in buffers, re-route data to other nodes, tell source ...
... • Circuit switching: full path reserved for entire message, like the telephone. • Packet switching: message broken into separatelyrouted packets, like the post office. • Flow control (what if there is congestion): • Stall, store data temporarily in buffers, re-route data to other nodes, tell source ...
Presentation
... • STM-1, STM-4 and STM-16 SDH Multiplexers • Gigabit Ethernet Voice & Data IP Multiplexer Delivers error free transmission of E1, 2-wire and 4-wire Voice, Synchronous and Asynchronous Data, Teleprotection and IRIG-B time over Ethernet / IP / MPLS networks with Stratum 1 or Stratum 3E level of accu ...
... • STM-1, STM-4 and STM-16 SDH Multiplexers • Gigabit Ethernet Voice & Data IP Multiplexer Delivers error free transmission of E1, 2-wire and 4-wire Voice, Synchronous and Asynchronous Data, Teleprotection and IRIG-B time over Ethernet / IP / MPLS networks with Stratum 1 or Stratum 3E level of accu ...
A hybrid MAC protocol for a metro WDM network arrayed-waveguide grating
... networks have attracted much attention in the literature [17–19]. In this paper, we develop a novel MAC protocol for an innovative AWG-based metro WDM network. The proposed network significantly differs from the networks presented in the existing literature: (1) Resources (time slots, wavelength chan ...
... networks have attracted much attention in the literature [17–19]. In this paper, we develop a novel MAC protocol for an innovative AWG-based metro WDM network. The proposed network significantly differs from the networks presented in the existing literature: (1) Resources (time slots, wavelength chan ...
IPmux-4L_Product
... • Supports TDM, HDLC-based and Ethernet services over Ethernet, MPLS or IP networks with pseudowire technology • Ideal solution for PSTN access and TDM trunking • Provides cost-effective solution for converging new and legacy services over packet infrastructure IPmux-4L Beta 2009 Slide 3 ...
... • Supports TDM, HDLC-based and Ethernet services over Ethernet, MPLS or IP networks with pseudowire technology • Ideal solution for PSTN access and TDM trunking • Provides cost-effective solution for converging new and legacy services over packet infrastructure IPmux-4L Beta 2009 Slide 3 ...
Solving the Jumbo Frame Challenge
... By deploying the ASE3300 as part of their wide area optimization solution, enterprises can realize tangible benefits when it comes to supporting complex, bandwidth intensive applications. High performance packet processing engines enable the segmentation and re-assembly of jumbo frames, easily enabl ...
... By deploying the ASE3300 as part of their wide area optimization solution, enterprises can realize tangible benefits when it comes to supporting complex, bandwidth intensive applications. High performance packet processing engines enable the segmentation and re-assembly of jumbo frames, easily enabl ...
File - Shashank Srivastava
... •First Ethernet specification to use a bus topology with an external transceiver (transmitter/receiver) connected via a tap to a thick coaxial cable. •The transceiver is responsible for transmitting, receiving and detecting collisions. •Transceiver is connected to the station via a transceiver cable ...
... •First Ethernet specification to use a bus topology with an external transceiver (transmitter/receiver) connected via a tap to a thick coaxial cable. •The transceiver is responsible for transmitting, receiving and detecting collisions. •Transceiver is connected to the station via a transceiver cable ...
High-speed and high-efficiency travelling wave single
... efficiency with high speed will lead to improved performance of active feed forward14,15, which is an essential element of clusterstate quantum computing and error-correction schemes, as well as entanglement manipulation and quantum communication over longer distances with higher bit rates16. Similar ...
... efficiency with high speed will lead to improved performance of active feed forward14,15, which is an essential element of clusterstate quantum computing and error-correction schemes, as well as entanglement manipulation and quantum communication over longer distances with higher bit rates16. Similar ...
Darwin: Customizable Resource Management for Value
... One of the design goals was to be backwards compatible with many older telco standards. Beside minimal framing functionality, it provides many other functions: » operation, administration and maintenance (OAM) communications » synchronization » multiplexing of lower rate signals » multiplexing for h ...
... One of the design goals was to be backwards compatible with many older telco standards. Beside minimal framing functionality, it provides many other functions: » operation, administration and maintenance (OAM) communications » synchronization » multiplexing of lower rate signals » multiplexing for h ...
Diffractive optical element and optical pickup apparatus
... [0062] Examples of the next-generation DVD include not only optical disks having a standard speci?cation that infor mation is recorded and reproduced through an objective lens having a numerical aperture NA of 0.85 and a protective layer having a thickness of about 0.1 mm is formed, (speci?cally, fo ...
... [0062] Examples of the next-generation DVD include not only optical disks having a standard speci?cation that infor mation is recorded and reproduced through an objective lens having a numerical aperture NA of 0.85 and a protective layer having a thickness of about 0.1 mm is formed, (speci?cally, fo ...
Sheets Mar 2014 - Arab Academy for Science, Technology
... 200 kHz, how many FM stations could be accommodated ? -------------------------------------------------------------------------------------------------5] In telephone systems, single side band AM modulation is adopted, where each call is allocated a frequency band of 4 kHz. If the bandwidth of the c ...
... 200 kHz, how many FM stations could be accommodated ? -------------------------------------------------------------------------------------------------5] In telephone systems, single side band AM modulation is adopted, where each call is allocated a frequency band of 4 kHz. If the bandwidth of the c ...
Glossary of terms
... Network devices normally located in telephone exchanges providing multiple ports connecting end-user copper lines for the provision of Digital Subscriber Line (DSL) broadband service. ...
... Network devices normally located in telephone exchanges providing multiple ports connecting end-user copper lines for the provision of Digital Subscriber Line (DSL) broadband service. ...
An Optical Fiber Lateral Displacement Measurement Method and
... sensors (FOS) have attracted much attention of researchers over the past few decades due to some innovative characteristics, such as high bandwidth, low loss, and can work under harsh environmental conditions compared to traditional sensors [11]. Fiber optic displacement sensors (FODS) are playing a ...
... sensors (FOS) have attracted much attention of researchers over the past few decades due to some innovative characteristics, such as high bandwidth, low loss, and can work under harsh environmental conditions compared to traditional sensors [11]. Fiber optic displacement sensors (FODS) are playing a ...
Passive optical network
![](https://commons.wikimedia.org/wiki/Special:FilePath/PON_vs_AON.png?width=300)
A passive optical network (PON) is a telecommunications network that uses point-to-multipoint fiber to the end-points in which unpowered optical splitters are used to enable a single optical fiber to serve multiple end-points. A PON consists of an optical line terminal (OLT) at the service provider's central office and a number of optical network units (ONUs) or Optical Network Terminals (ONTs), near end users. A PON reduces the amount of fiber and central office equipment required compared with point-to-point architectures. A passive optical network is a form of fiber-optic access network.In most cases, downstream signals are broadcast to all premises sharing multiple fibers. Encryption can prevent eavesdropping.Upstream signals are combined using a multiple access protocol, usually time division multiple access (TDMA).