Networking Overview
... underlying channel may flip bits in packet checksum to detect bit errors the question: how to recover from errors: ...
... underlying channel may flip bits in packet checksum to detect bit errors the question: how to recover from errors: ...
ppt - Carnegie Mellon School of Computer Science
... When streaming packets, the network works like a pipeline. » All links forward different packets in parallel ...
... When streaming packets, the network works like a pipeline. » All links forward different packets in parallel ...
DKTCOMEGA 797xx FTU/CPE series presentation
... => higher OPEX costs • All CPE vendors define their ”one-fits-all” box as defacto ...
... => higher OPEX costs • All CPE vendors define their ”one-fits-all” box as defacto ...
PPT
... • Suppose we have N inputs and M outputs • Multiple packets for same output – output contention • Switch contention – switching fabric cannot support arbitrary set of transfers • I.e, not a full crossbar ...
... • Suppose we have N inputs and M outputs • Multiple packets for same output – output contention • Switch contention – switching fabric cannot support arbitrary set of transfers • I.e, not a full crossbar ...
GPRS - MobiHealth
... GPRS Characteristics • GPRS is a new technology that optimises the use of network and radio resources: – Users share radio resources. – Only used when data are sent or received. – Uses a packet-mode technique to transfer data and signalling in an efficient manner. • GPRS data transfer is based on t ...
... GPRS Characteristics • GPRS is a new technology that optimises the use of network and radio resources: – Users share radio resources. – Only used when data are sent or received. – Uses a packet-mode technique to transfer data and signalling in an efficient manner. • GPRS data transfer is based on t ...
A340105
... Fig 3: Normalized routing load for speed 2 This is a little strange but has probably something to do with the fact that DSDV only uses a buffer that only has room for 5 packets per flow. At the rate of 15 packets/s and 20 packets/s, when mobility starts to get so high that the topology changes frequ ...
... Fig 3: Normalized routing load for speed 2 This is a little strange but has probably something to do with the fact that DSDV only uses a buffer that only has room for 5 packets per flow. At the rate of 15 packets/s and 20 packets/s, when mobility starts to get so high that the topology changes frequ ...
Mobile Applications and Web Services
... − Tasks, commands and events are fundamental building blocks of the TinyOS run-time environment. − Tasks are monolithic processes that should be executed until they are complete. − This means they can not be blocked by other tasks but they can be interrupted by events. − For example a packet reading ...
... − Tasks, commands and events are fundamental building blocks of the TinyOS run-time environment. − Tasks are monolithic processes that should be executed until they are complete. − This means they can not be blocked by other tasks but they can be interrupted by events. − For example a packet reading ...
Link Prediction using Supervised Learning
... meaningful for the pair of authors for link prediction. In this example, the higher the attribute value, the more likely that they will collaborate. A similar individual feature, in a terrorist network, can be the number of languages a suspect can speak. Again, aggregating the value produces an aggr ...
... meaningful for the pair of authors for link prediction. In this example, the higher the attribute value, the more likely that they will collaborate. A similar individual feature, in a terrorist network, can be the number of languages a suspect can speak. Again, aggregating the value produces an aggr ...
Distribution Automation
... exposure, rural networks are equipped with switching equipment such as reclosers and load breacks switches. This equipment allows a granular grid management, protects the power grid against transient faults and ensures minimal service disruption, improving the quality of the service. Arteche has dev ...
... exposure, rural networks are equipped with switching equipment such as reclosers and load breacks switches. This equipment allows a granular grid management, protects the power grid against transient faults and ensures minimal service disruption, improving the quality of the service. Arteche has dev ...
Convergence VoIP
... • Call control is implemented by call-control software running on servers (gatekeepers, proxy/RS, MGC) ...
... • Call control is implemented by call-control software running on servers (gatekeepers, proxy/RS, MGC) ...
Nortel Networks Passport 1424T Ethernet Switch
... and network priority where and when they need it. Four priority queues are the basis for QoS in the Passport 1424T. The ability to classify traffic as early as possible helps ensure mission-critical applications provide the competitive edge they were designed to provide. ...
... and network priority where and when they need it. Four priority queues are the basis for QoS in the Passport 1424T. The ability to classify traffic as early as possible helps ensure mission-critical applications provide the competitive edge they were designed to provide. ...
Introduction
... Topology or bandwidth changes, congestion Rapid convergence of routers to consistent set of routes ...
... Topology or bandwidth changes, congestion Rapid convergence of routers to consistent set of routes ...
chapter4d
... address format: a.b.c.d/x, where x is # bits in network portion of address network part ...
... address format: a.b.c.d/x, where x is # bits in network portion of address network part ...
Performance Analysis of 2.5 Gbps GPON
... ABSTRACT: The ITU-T G.984 is Gigabit-capable Passive Optical Networks (GPON) standard. In this paper, 2.5 Gb/s GPON link is presented. The quality or performance of a digital communication system is specified by its BER or Q value with respect to other parameters such as receiver sensitivity . The s ...
... ABSTRACT: The ITU-T G.984 is Gigabit-capable Passive Optical Networks (GPON) standard. In this paper, 2.5 Gb/s GPON link is presented. The quality or performance of a digital communication system is specified by its BER or Q value with respect to other parameters such as receiver sensitivity . The s ...
Underlying Technologies
... twisted pair wires that are resident in standard telephone equipment (Category 5 or Cat5). The cable is connected up to a hub that provides the Bus topology. Length of wire is limited to 100 meters. Theoretical transmission rate is 100 Mbps. The increase in rate is provided by clever use of the prov ...
... twisted pair wires that are resident in standard telephone equipment (Category 5 or Cat5). The cable is connected up to a hub that provides the Bus topology. Length of wire is limited to 100 meters. Theoretical transmission rate is 100 Mbps. The increase in rate is provided by clever use of the prov ...
Document
... which a physical path is obtained for and dedicated to a single connection between two end-points in the network for the duration of the connection. – This type of communication between sender and receiver is known as connectionless (rather than dedicated). – Most traffic over the Internet uses pack ...
... which a physical path is obtained for and dedicated to a single connection between two end-points in the network for the duration of the connection. – This type of communication between sender and receiver is known as connectionless (rather than dedicated). – Most traffic over the Internet uses pack ...
Lecture 4
... • The commonest topology: all devices link along a single cable. Data from one device to another is sent over the whole network; software ensures only the targeted device actually receives it. Bus networks can use either peerto-peer or client/server architectures. • Data exchange protocols for most ...
... • The commonest topology: all devices link along a single cable. Data from one device to another is sent over the whole network; software ensures only the targeted device actually receives it. Bus networks can use either peerto-peer or client/server architectures. • Data exchange protocols for most ...
PPT Version
... • SP network better time service than arbitrary Internet hosts • Midbox techniques (IEEE 1588 type on-the-fly packet timestamp correction, or follow-up message mechanisms) correct/report the packet delays may improve quality • BUT require contiguous path support • AND have usual midbox issues • Pack ...
... • SP network better time service than arbitrary Internet hosts • Midbox techniques (IEEE 1588 type on-the-fly packet timestamp correction, or follow-up message mechanisms) correct/report the packet delays may improve quality • BUT require contiguous path support • AND have usual midbox issues • Pack ...
Ethernet - Personal.kent.edu
... networks (VLANs) – Means by which a switch can logically group a number of ports into a broadcast domain ...
... networks (VLANs) – Means by which a switch can logically group a number of ports into a broadcast domain ...
Part I: Introduction
... Addresses: 6 bytes, frame is received by all adapters on a LAN and dropped if address does not match Type: indicates the higher layer protocol, mostly IP but others may be supported such as Novell IPX and AppleTalk) CRC: checked at receiver, if error is detected, the frame is simply dropped ...
... Addresses: 6 bytes, frame is received by all adapters on a LAN and dropped if address does not match Type: indicates the higher layer protocol, mostly IP but others may be supported such as Novell IPX and AppleTalk) CRC: checked at receiver, if error is detected, the frame is simply dropped ...