3-4-1_QoS Intro adap..
... – Multihop ad hoc network – Wireless Internet access (from W-LAN or ad hoc net) – Wireless mesh networks • The above scenarios are all challenging: – Channel parameter fluctuations (motion, obstacles, interference) – Change in S/N ratio at receiver – Mobility (path breaks, must be repatched, etc) – ...
... – Multihop ad hoc network – Wireless Internet access (from W-LAN or ad hoc net) – Wireless mesh networks • The above scenarios are all challenging: – Channel parameter fluctuations (motion, obstacles, interference) – Change in S/N ratio at receiver – Mobility (path breaks, must be repatched, etc) – ...
LTM-10 LonTalk Module and Motherboard
... The manual device recovery feature provides a means to recover a device that has been loaded with a defective application that renders it inoperable. The manual device recovery features allows such a device to be recovered by activating the service input prior to activating the reset input, then con ...
... The manual device recovery feature provides a means to recover a device that has been loaded with a defective application that renders it inoperable. The manual device recovery features allows such a device to be recovered by activating the service input prior to activating the reset input, then con ...
Polycom SoundPoint® IP
... The SoundPoint IP delivers voice and data over your choice of standards-based protocols giving you the freedom to tailor the best platform and applications solution for your business. It supports leading standard protocals including H.323 with H.450 supplementary services and MGCP (Polycom plans to ...
... The SoundPoint IP delivers voice and data over your choice of standards-based protocols giving you the freedom to tailor the best platform and applications solution for your business. It supports leading standard protocals including H.323 with H.450 supplementary services and MGCP (Polycom plans to ...
I01413031312
... which mobile hosts select partners with whom communication can last for a sufficiently long time by employing the Link Expiration Time (LET) parameter. To address this issue, we propose the use of Link Expiration Time (LET) [6] as a parameter in the selection of the best possible PN, which will be a ...
... which mobile hosts select partners with whom communication can last for a sufficiently long time by employing the Link Expiration Time (LET) parameter. To address this issue, we propose the use of Link Expiration Time (LET) [6] as a parameter in the selection of the best possible PN, which will be a ...
Internet layer - People Server at UNCW
... IP Subnets • Subnets are used if you have more machines than IP addresses • Allows a network to be split into several parts for internal use, but still act like a single network to the outside world • IP packets are routed depending on their destination • Other network: forwarded to next router • T ...
... IP Subnets • Subnets are used if you have more machines than IP addresses • Allows a network to be split into several parts for internal use, but still act like a single network to the outside world • IP packets are routed depending on their destination • Other network: forwarded to next router • T ...
Slides
... View the Internet in two ways: 1. Humans see a hierarchy of domains relating computers—logical network 2. Computers see groups of four number IP addresses— physical network Both are ideal for the “user's” needs ...
... View the Internet in two ways: 1. Humans see a hierarchy of domains relating computers—logical network 2. Computers see groups of four number IP addresses— physical network Both are ideal for the “user's” needs ...
CS4550 Computer Networks II Socket Interface Ref: Feit Chap 21
... Socket Interface Ref: Feit Chap 21 Tanenbaum Chap 6 ...
... Socket Interface Ref: Feit Chap 21 Tanenbaum Chap 6 ...
Multicasting
... Many socket options are Boolean flags indicating whether some feature is enabled (1) or disabled (0). ...
... Many socket options are Boolean flags indicating whether some feature is enabled (1) or disabled (0). ...
Communication and Networks
... • The significant reduction in soze and complexity of connectors in serial transmission results in lower costs. Better for smaller devices as well • “Crosstalk” can occur over parallel lines leading to corrupted data – therefore need to be resent. • Serial links are more reliable over greater distan ...
... • The significant reduction in soze and complexity of connectors in serial transmission results in lower costs. Better for smaller devices as well • “Crosstalk” can occur over parallel lines leading to corrupted data – therefore need to be resent. • Serial links are more reliable over greater distan ...
Countering Dos Attacks with Stateless Multipath Overlays
... each of which corresponds to a path, perhaps through many physical links, in the underlying network ...
... each of which corresponds to a path, perhaps through many physical links, in the underlying network ...
Ad Hoc Network Protocols2
... Military vehicles on a battlefield with no existing infrastructure. A fleet of ships at sea. Emergency workers at an earthquake that destroyed the infrastructure. A gathering of people with notebook computers in an area lacking 802.11. Scientific field networks. ...
... Military vehicles on a battlefield with no existing infrastructure. A fleet of ships at sea. Emergency workers at an earthquake that destroyed the infrastructure. A gathering of people with notebook computers in an area lacking 802.11. Scientific field networks. ...
Slides: Chap6
... base station = access point (AP) Basic Service Set (BSS) (aka “cell”) in infrastructure mode contains: wireless hosts access point (AP): base station ad hoc mode: hosts only ...
... base station = access point (AP) Basic Service Set (BSS) (aka “cell”) in infrastructure mode contains: wireless hosts access point (AP): base station ad hoc mode: hosts only ...
Telecom Egypt CEO Mohammed Elnawawy: New unified licence
... NFV takes direct aim at appliance sprawl. In too many networks the number of appliances rivals the number of switches and routers. Appliance capex is therefore large, but not even as large as the opex of the separate administrative staff each appliance family often requires. By allowing operators to ...
... NFV takes direct aim at appliance sprawl. In too many networks the number of appliances rivals the number of switches and routers. Appliance capex is therefore large, but not even as large as the opex of the separate administrative staff each appliance family often requires. By allowing operators to ...
Dynamic Network Selection for Robust Communications – Why Disruption Tolerance Matters
... ceived performance at that time. On the other hand, it may happen as well that further unknown candidate networks become available in between. Balancing all these aspects and analyzing their effects on the decision process and the resulting communication performance will be one of the main focuses i ...
... ceived performance at that time. On the other hand, it may happen as well that further unknown candidate networks become available in between. Balancing all these aspects and analyzing their effects on the decision process and the resulting communication performance will be one of the main focuses i ...
Organizations & Systems
... What is an Organization? Structural, Behavioural and Other: • Hierarchy of authority • Impersonality • Written rules of conduct (operating procedures) • Promotion based on achievement (technical qualifications for positions; meritocracy) • Specialized division of labor • Efficiency (maximal organiz ...
... What is an Organization? Structural, Behavioural and Other: • Hierarchy of authority • Impersonality • Written rules of conduct (operating procedures) • Promotion based on achievement (technical qualifications for positions; meritocracy) • Specialized division of labor • Efficiency (maximal organiz ...
Lecture 6: Vector
... – IP makes best effort to deliver; TCP guarantees delivery – TCP/IP used even when communicating locally: NFS uses IP even though communicating across homogeneous LAN ...
... – IP makes best effort to deliver; TCP guarantees delivery – TCP/IP used even when communicating locally: NFS uses IP even though communicating across homogeneous LAN ...
module05-datalinkV2
... • Link management: The link control protocol (LCP) is responsible for establishing, configuring, and negotiating a data-link connection. LCP also monitors the link quality and is used to terminate the link. • Authentication: Authentication is optional. PPP supports two authentication protocols: Pass ...
... • Link management: The link control protocol (LCP) is responsible for establishing, configuring, and negotiating a data-link connection. LCP also monitors the link quality and is used to terminate the link. • Authentication: Authentication is optional. PPP supports two authentication protocols: Pass ...
Lecture 1 - Lane Department of Computer Science and Electrical
... Demand for better networks is dramatically increasingTelecommunications companies are racing to get better computer networking capabilities to home, businesses and communities Has become the political center of attention – with government agencies pushing initiatives to get greater network connectiv ...
... Demand for better networks is dramatically increasingTelecommunications companies are racing to get better computer networking capabilities to home, businesses and communities Has become the political center of attention – with government agencies pushing initiatives to get greater network connectiv ...
3rd Edition, Chapter 5
... if adapter receives frame with matching destination address, or with broadcast address (eg ARP packet), it passes data in frame to net-layer protocol otherwise, adapter discards frame ...
... if adapter receives frame with matching destination address, or with broadcast address (eg ARP packet), it passes data in frame to net-layer protocol otherwise, adapter discards frame ...
Circuit Switching, Packet Switching, The Network Layer
... simple inside network, complexity inside complexity at “edge” network many link types different characteristics uniform service difficult Network Layer 4-25 ...
... simple inside network, complexity inside complexity at “edge” network many link types different characteristics uniform service difficult Network Layer 4-25 ...
Error Control – LVMR (cont.)
... • LVMR (Layered Video Multicast with Retransmissions) is another system for distributing video using layered coding over the Internet. – Improving the quality of reception with each layer by retransmitting lost packets given an upper bound on recovery time and applying an adaptive playback point sch ...
... • LVMR (Layered Video Multicast with Retransmissions) is another system for distributing video using layered coding over the Internet. – Improving the quality of reception with each layer by retransmitting lost packets given an upper bound on recovery time and applying an adaptive playback point sch ...
8085 Architecture & Its Assembly language programming
... • But to send actually: toggle LSBit of third octet of both src & dest address – It changes both the network number and host number of class C IP number – The net effect is packet sent to network interface sn0 appears on sn1 ...
... • But to send actually: toggle LSBit of third octet of both src & dest address – It changes both the network number and host number of class C IP number – The net effect is packet sent to network interface sn0 appears on sn1 ...