Symmetricom - Synchronization of Television, Audio and Moving
... Downstream delay usually shorter than upstream delay ...
... Downstream delay usually shorter than upstream delay ...
PowerPoint 演示文稿
... network，short-run computer system links，and long-distance telephone transmission are also the important applications of coaxial cable. In local network，coaxial cable can support different types of data communication including a single building or a complex facility. In the transmission of data betwe ...
... network，short-run computer system links，and long-distance telephone transmission are also the important applications of coaxial cable. In local network，coaxial cable can support different types of data communication including a single building or a complex facility. In the transmission of data betwe ...
Chapter 11 ATM
... • Similarities between ATM and packet switching —Transfer of data in discrete chunks —Multiple logical connections over single physical interface ...
... • Similarities between ATM and packet switching —Transfer of data in discrete chunks —Multiple logical connections over single physical interface ...
INTRODUCTION TO INFORMATION SYSTEMS TECHNOLOGY
... 2) What is the difference between: (a) a Kilobyte and a Gigabyte? (b) a Megabyte and a byte? 3) What is the function of the Instruction Control Unit or ICU found in the processing subsystem? ...
... 2) What is the difference between: (a) a Kilobyte and a Gigabyte? (b) a Megabyte and a byte? 3) What is the function of the Instruction Control Unit or ICU found in the processing subsystem? ...
Introduction to networking
... Reliability – an error rate of each network link Hop count – the number of routers that a packet must travel through before breaching its destination Cost – an arbitrary value, usually base don bandwidth, monetary expense, or other measurement, that is assigned by an administrator ...
... Reliability – an error rate of each network link Hop count – the number of routers that a packet must travel through before breaching its destination Cost – an arbitrary value, usually base don bandwidth, monetary expense, or other measurement, that is assigned by an administrator ...
notes
... • Packet switching – store-and-forward, one hop at a time, uses pipelining, each packet has limited size – Adv: no setup required, high utilization – Disadv: packets may be received out of order, packets may be lost due to buffer overflow ...
... • Packet switching – store-and-forward, one hop at a time, uses pipelining, each packet has limited size – Adv: no setup required, high utilization – Disadv: packets may be received out of order, packets may be lost due to buffer overflow ...
Week One
... • Physical interface between data transmission device (e.g. computer) and transmission medium or network • Characteristics of transmission medium ...
... • Physical interface between data transmission device (e.g. computer) and transmission medium or network • Characteristics of transmission medium ...
PPT
... • Sequence numbers detect packet sequencing problems: • duplicate: ignore • reordered: reorder or drop • lost: retransmit • Lost packets detected by sender. • uses time out to detect lack of acknowledgment • requires reliable roundtrip time estimate • Retransmission requires that sender keeps copy o ...
... • Sequence numbers detect packet sequencing problems: • duplicate: ignore • reordered: reorder or drop • lost: retransmit • Lost packets detected by sender. • uses time out to detect lack of acknowledgment • requires reliable roundtrip time estimate • Retransmission requires that sender keeps copy o ...
Solution
... which adapter address corresponds to the IP address in question. For the response, the sending node knows the adapter address to which the response should be sent, so there is no need to send a broadcast frame (which would have to be processed by all the other nodes on the LAN). 3. Define switches a ...
... which adapter address corresponds to the IP address in question. For the response, the sending node knows the adapter address to which the response should be sent, so there is no need to send a broadcast frame (which would have to be processed by all the other nodes on the LAN). 3. Define switches a ...
cut-through
... What will a bridge do if it receives a frame with a MAC address that is not within the table? • send frame to all ports except source port ...
... What will a bridge do if it receives a frame with a MAC address that is not within the table? • send frame to all ports except source port ...
Chapter6.5
... – Ex. Can (and do) adjust playback point in audio stream slightly while executing – Delay-adaptive applications: can adjust playback point – Rate-adaptive applications: can trade off bit rate versus quality (e.g. video apps can use coding algorithms with parameters that can be set for differing leve ...
... – Ex. Can (and do) adjust playback point in audio stream slightly while executing – Delay-adaptive applications: can adjust playback point – Rate-adaptive applications: can trade off bit rate versus quality (e.g. video apps can use coding algorithms with parameters that can be set for differing leve ...
Document
... The node wishing to transmit “listens” to the line to determine if it is in use. If it is, it waits a pre-specified amount of time to transmit. Collisions occur when two nodes listen, hear no messages transmitting, and then simultaneously begin transmitting. The data collides and the two nodes a ...
... The node wishing to transmit “listens” to the line to determine if it is in use. If it is, it waits a pre-specified amount of time to transmit. Collisions occur when two nodes listen, hear no messages transmitting, and then simultaneously begin transmitting. The data collides and the two nodes a ...
Exam Paper Stationery - University of East Anglia
... -54. (a)(i) The data link layer of the OSI seven layer reference model can employ forward error correction (FEC) or backward error correction (BEC) to reduce the effect of errors that occur in transmission. Explain the operation and differences between FEC and BEC and comment on their effectiveness ...
... -54. (a)(i) The data link layer of the OSI seven layer reference model can employ forward error correction (FEC) or backward error correction (BEC) to reduce the effect of errors that occur in transmission. Explain the operation and differences between FEC and BEC and comment on their effectiveness ...
Chapter 4 : TCP/IP and OSI
... • Specifies: – Characteristics of medium – Nature of signals – Data rate ...
... • Specifies: – Characteristics of medium – Nature of signals – Data rate ...
IEEE 802.11 based WLANs
... from one station to another in uni-directional way. Advantages : (1) Access method supports heavy load without degradation of performance because the medium is not shared. (2) Several packets can simultaneous circulate between different pairs of stations. Disadvantages: (1) Complex management ...
... from one station to another in uni-directional way. Advantages : (1) Access method supports heavy load without degradation of performance because the medium is not shared. (2) Several packets can simultaneous circulate between different pairs of stations. Disadvantages: (1) Complex management ...
Content-aware Switch - University of California, Riverside
... Examine application data in addition to IP& TCP ...
... Examine application data in addition to IP& TCP ...
Week 01 Lecture
... line overhead. ------------------------------------------15. Which overhead bytes compensate for timing variations. ---------- ---------- ----16. The C1 value for the 7th STS-1 signal in an STS 12 frame would be -----------------. 17. List three types of commercially available SONET equipment. ----- ...
... line overhead. ------------------------------------------15. Which overhead bytes compensate for timing variations. ---------- ---------- ----16. The C1 value for the 7th STS-1 signal in an STS 12 frame would be -----------------. 17. List three types of commercially available SONET equipment. ----- ...
public key cryptography
... • multiple access protocols and error detection, correction LANs sharing a broadcast channel: multiple access • link layer addressing, ARP • specific link layer link layer addressing technologies: reliable data transfer, ...
... • multiple access protocols and error detection, correction LANs sharing a broadcast channel: multiple access • link layer addressing, ARP • specific link layer link layer addressing technologies: reliable data transfer, ...
AW-07-02-1-A-ASP-UGANDA
... – not very confident with the reliability of data – exposure of poor methods – contradictory results ...
... – not very confident with the reliability of data – exposure of poor methods – contradictory results ...