3.1 Introduction to ARP
... • IP address is link-based and independent of physical address and network. • IP address must be mapped to the physical address of a host for the delivery of higher-layer data via the data link layer. • Direct mapping and static binding have limitations. • Address Resolution Protocol (ARP) enables h ...
... • IP address is link-based and independent of physical address and network. • IP address must be mapped to the physical address of a host for the delivery of higher-layer data via the data link layer. • Direct mapping and static binding have limitations. • Address Resolution Protocol (ARP) enables h ...
Slide 1
... • The attacker sends an echo request packet to the broadcast address of a network, e.g., 132.170.255.255. – Directed broadcast can be initiated from within or outside the network. – When a packet coming from outside a local network is addressed to the network’s broadcast address, the packet is also ...
... • The attacker sends an echo request packet to the broadcast address of a network, e.g., 132.170.255.255. – Directed broadcast can be initiated from within or outside the network. – When a packet coming from outside a local network is addressed to the network’s broadcast address, the packet is also ...
DeviceNet Communication Manual
... The DeviceNet data link layer is defined by the CAN specification, which defines two possible states; dominant (logic level 0) and recessive (logic level 1). A node can bring the network to the dominant state if it transmits any information. Thus, the bus will only be in the recessive state if there ...
... The DeviceNet data link layer is defined by the CAN specification, which defines two possible states; dominant (logic level 0) and recessive (logic level 1). A node can bring the network to the dominant state if it transmits any information. Thus, the bus will only be in the recessive state if there ...
FrameSaver SLV 9126 Router Quick Reference - 9126-A2
... 9126-A2-GN12, that came with the unit. Before starting to use the FrameSaver SLV Router, it is recommended that you download the User’s Guide so you have access to information about the unit, then print chapters or sections you may want to reference. This quick reference contains: ...
... 9126-A2-GN12, that came with the unit. Before starting to use the FrameSaver SLV Router, it is recommended that you download the User’s Guide so you have access to information about the unit, then print chapters or sections you may want to reference. This quick reference contains: ...
Tapestry: A Resilient Global-Scale Overlay for Service
... network provides a simple platform on which to implement distributed applications—developers can ignore the dynamics of the network except as an optimization. Already, Tapestry has enabled the deployment of global-scale storage applications such as OceanStore [4] and multicast distribution systems s ...
... network provides a simple platform on which to implement distributed applications—developers can ignore the dynamics of the network except as an optimization. Already, Tapestry has enabled the deployment of global-scale storage applications such as OceanStore [4] and multicast distribution systems s ...
Document
... • Credit based: such as a buffer size – Indicates how many packets source may send – Common for end to end flow control ...
... • Credit based: such as a buffer size – Indicates how many packets source may send – Common for end to end flow control ...
slides - University of Houston
... Small size of sensor node Limited battery capacity and lower hardware performance Overlapping sensing areas (redundancy) The network may be formed by randomly throwing thousands or even millions of sensor nodes in an area. Frequent change of network topology The network is usually installed in ...
... Small size of sensor node Limited battery capacity and lower hardware performance Overlapping sensing areas (redundancy) The network may be formed by randomly throwing thousands or even millions of sensor nodes in an area. Frequent change of network topology The network is usually installed in ...
The Cost of a Cloud: Research Problems in Data Center Networks
... the structural and risk management reasons for over-construction that lead to low server utilization. Build in Resilience at Systems Level: Infrastructure costs are high largely because each data center is designed so that it will never fail. These costs can be dramatically reduced by stripping out ...
... the structural and risk management reasons for over-construction that lead to low server utilization. Build in Resilience at Systems Level: Infrastructure costs are high largely because each data center is designed so that it will never fail. These costs can be dramatically reduced by stripping out ...
ETSI Broadband Access including Fixed Wireless Access
... – HiperAccess (if HA and WirelessMA-SC closer aligned) • WiMAX will use with permission – conformance test specifications developed by ETSI BRAN – expertise of ETSI PTCC GSC-9, Seoul – ETSI PlugtestTM service for interoperability events ...
... – HiperAccess (if HA and WirelessMA-SC closer aligned) • WiMAX will use with permission – conformance test specifications developed by ETSI BRAN – expertise of ETSI PTCC GSC-9, Seoul – ETSI PlugtestTM service for interoperability events ...
Automatic Clustering of Grid Nodes
... Tracer node. Global Network Positioning (GNP) [11] represents the complex structure of the Internet by a simple geometric space based on a set of reference hosts called landmarks. Each host has its own geometric coordinates based on distance from the landmarks, and the network distance between the h ...
... Tracer node. Global Network Positioning (GNP) [11] represents the complex structure of the Internet by a simple geometric space based on a set of reference hosts called landmarks. Each host has its own geometric coordinates based on distance from the landmarks, and the network distance between the h ...
elc200day4
... – Providing backbone access services for other ISPs (like PSI and UUNET) – Offering payment systems for online purchases © 2007 Prentice-Hall, Inc ...
... – Providing backbone access services for other ISPs (like PSI and UUNET) – Offering payment systems for online purchases © 2007 Prentice-Hall, Inc ...
Quality of Service in the Internet QoS Parameters
... • Necessary: establish a path through the network and reserve fixed amounts of network capacity, buffer capacity and CPU time with the routers. • Standardized by the IETF as Resource Reservation Protocol, RSVP RSVP is not a routing protocol, but only an “addition” to such one. A description of the r ...
... • Necessary: establish a path through the network and reserve fixed amounts of network capacity, buffer capacity and CPU time with the routers. • Standardized by the IETF as Resource Reservation Protocol, RSVP RSVP is not a routing protocol, but only an “addition” to such one. A description of the r ...
Catalyst 3560-E Series Aggregation Switch Solutions BDM
... Lower latency and increased bandwidth for applications ...
... Lower latency and increased bandwidth for applications ...
Overview of High Speed Network Technologies
... The delay in each node is meaningful due to the waiting time of the packets in the queues. It is not well-suited for isochronous transmission. It is very proper for bursty traffic as that one generated by data computer networks. In a packet switching network, the nodes accept the packets even when t ...
... The delay in each node is meaningful due to the waiting time of the packets in the queues. It is not well-suited for isochronous transmission. It is very proper for bursty traffic as that one generated by data computer networks. In a packet switching network, the nodes accept the packets even when t ...
30 Years of Academic Netgworks
... • Rise of web first widespread deployed WAN service – Required universal protocols – Would have ended protocol war if not nearly over in any case – Has led to unparalleled needs because of huge deployment and additions like image, streaming and real-time services June 7, 2004 ...
... • Rise of web first widespread deployed WAN service – Required universal protocols – Would have ended protocol war if not nearly over in any case – Has led to unparalleled needs because of huge deployment and additions like image, streaming and real-time services June 7, 2004 ...
IT355: Internet Programming
... • Server-side scripting languages have a wider range of programmatic capabilities than their client-side equivalents. • Server-side scripts also have access to server-side software that extends server functionality—Microsoft web servers use ISAPI (Internet Server Application Program Interface) exten ...
... • Server-side scripting languages have a wider range of programmatic capabilities than their client-side equivalents. • Server-side scripts also have access to server-side software that extends server functionality—Microsoft web servers use ISAPI (Internet Server Application Program Interface) exten ...
PowerPoint
... We rarely have good information about values for N, Bavg and other flow characteristics Data-network engineering is often based on close monitoring of aggregate traffic levels and heuristic rules about loading – “We try to keep our average loads at 50% during peak usage” ...
... We rarely have good information about values for N, Bavg and other flow characteristics Data-network engineering is often based on close monitoring of aggregate traffic levels and heuristic rules about loading – “We try to keep our average loads at 50% during peak usage” ...
ppt
... • Advocates for the seven-layer model have tried to stretch the definitions to match TCP/IP • They argue that layer three could be considered an Internet layer and that a few support protocols might be placed into layers five and six • Perhaps the most humorous part of the story is that many enginee ...
... • Advocates for the seven-layer model have tried to stretch the definitions to match TCP/IP • They argue that layer three could be considered an Internet layer and that a few support protocols might be placed into layers five and six • Perhaps the most humorous part of the story is that many enginee ...
ppt - EECS Instructional Support Group Home Page
... • Idea: when storing state in a distributed system, keep it co-located with the entities that ultimately rely on the state • Fate-sharing is a technique for dealing with failure – Only way that failure can cause loss of the critical state is if the entity that cares about it also fails ... – … in wh ...
... • Idea: when storing state in a distributed system, keep it co-located with the entities that ultimately rely on the state • Fate-sharing is a technique for dealing with failure – Only way that failure can cause loss of the critical state is if the entity that cares about it also fails ... – … in wh ...
3rd Edition: Chapter 1
... network-layer routing • Applications require no knowledge of routes • New applications deployed without coordination with network operators or operating system vendors ...
... network-layer routing • Applications require no knowledge of routes • New applications deployed without coordination with network operators or operating system vendors ...
Does the IEEE 802.11 MAC Protocol Work Well in Multihop Wireless
... IEEE 802.11 MAC Protocol – (5) The serious problems encountered in an IEEE 802.11-based multihop ad hoc networks: The TCP Instability Problem. The Serious Unfairness Problem. ...
... IEEE 802.11 MAC Protocol – (5) The serious problems encountered in an IEEE 802.11-based multihop ad hoc networks: The TCP Instability Problem. The Serious Unfairness Problem. ...
Basic Internetworking
... Each network’s MTU gives the size of the largest IP datagram that can be carried in a link-layer frame. Give the sizes and offsets of the sequence of fragments delivered to the network layer at the destination host. Assume all IP headers are 20 bytes. ...
... Each network’s MTU gives the size of the largest IP datagram that can be carried in a link-layer frame. Give the sizes and offsets of the sequence of fragments delivered to the network layer at the destination host. Assume all IP headers are 20 bytes. ...
Multimedia Applications
... senders to adapt their sending rates/quality – Source description message: sender may send information describing the owner of the stream – Bye message: sender sends this when ending the stream – Application specific message: applications may use this for their own purpose, e.g. closed captions or s ...
... senders to adapt their sending rates/quality – Source description message: sender may send information describing the owner of the stream – Bye message: sender sends this when ending the stream – Application specific message: applications may use this for their own purpose, e.g. closed captions or s ...
WLCG-ops-T0-Barcelona
... • Extensive testing done on the Geant 100 Gbps to identify the source of the flaps observed • all segments of the link have been tested without errors, still source of the problem not identified • It is possible that cleaning of the fibres ahead of the tests have resolved the problem. If not, then o ...
... • Extensive testing done on the Geant 100 Gbps to identify the source of the flaps observed • all segments of the link have been tested without errors, still source of the problem not identified • It is possible that cleaning of the fibres ahead of the tests have resolved the problem. If not, then o ...