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ppt
ppt

... The notion of an internet protocol How is it possible to send bits across incompatible LANs and WANs? Solution: protocol software running on each host and router smooths out the differences between the different networks. Implements an internet protocol (i.e., set of rules) that governs how hosts a ...
FT3410671073
FT3410671073

... takes to reach its destination. The table’s shows difference between sent packets, received packets, throughput and avg. end to end delay as the number of nodes is increased. The goal of our experiments is to examine and quantify the effects of various factors and their interactions on the overall p ...
CAS: Central Authentication Service
CAS: Central Authentication Service

... –  developed by Bob Metcalfe & David Boggs at Xerox PARC, 1973 –  each host has a unique 48-bit identification number –  data sent in "packets" of 100-1500 bytes packets include source and destination addresses, error checking ...
Seaweb - WUWNet
Seaweb - WUWNet

... Sponsor: PEO C4I & Space, PMW 770 Transmit/Receive Board ...
Document
Document

... • Subnetworks are smaller divisions of network. • Subnet addresses include the Class A, Class B, or Class C network portion, plus a subnet field and a host field. • To create a subnet address, a network administrator borrows bits from the original host portion and designates them as the subnet field ...
Planning and Configuring Routing and Switching
Planning and Configuring Routing and Switching

... network ID is called ANDing • If both binary digits being compared have a value of 1, then the result is 1 • If one digit is 0 and the other is 1, or if both digits are zero, then the result is 0 • When an IP address is ANDed with a subnet mask, the result is the network ID ...
Smart Dust
Smart Dust

... with a compact imaging receiver can decode the simultaneous transmissions from a large number of dust motes at different locations within the receiver field of view, which is a form of space-division multiplexing. The CCR makes make it possible for dust motes to use passive optical transmission tech ...
31004011 VidTran10 TIA-921
31004011 VidTran10 TIA-921

... o Emulate effectiveness of Forward Error Correcting (FEC) Techniques and Equipment o Test ability of FEC to meet required specifications • Standard, Definitive, Repeatable set of tests representing Real-World IP Network ...
Introduction to computer networkd #9
Introduction to computer networkd #9

... Addresses (ARP and RARP) • Each interface has an IP address at Layer 3, and a MAC address at Layer 2 • Assume that host A wants to send a packet to host B (A and B on the same network) • Host A knows the IP address of host B; however, in order to transmit the packet, host A must somehow know or find ...
CCNPv5 Module 5 Lesson 1
CCNPv5 Module 5 Lesson 1

...  If the router SNMP agent is configured to use this commonly known community string, anyone with an SNMP system is able to read the router MIB  Router MIB variables can point to entities like routing tables and other security-critical components of a router configuration, so it is very important t ...
Generalized Multiprotocol Label Switching: An Overview of
Generalized Multiprotocol Label Switching: An Overview of

... Beneficial for connections spanning multiple hops and/or large distances May break TE requirements ...
Aalborg Universitet Algorithm
Aalborg Universitet Algorithm

... numbers, what could make the classifier closely related to the current assignment of port numbers to particular applications in the training data. Another approach to classify P2P applications was taken in [3] using a Java implementation of C4.5 called J48 to distinguish between 5 different applicat ...
A method for classification of network - VBN
A method for classification of network - VBN

... numbers, what could make the classifier closely related to the current assignment of port numbers to particular applications in the training data. Another approach to classify P2P applications was taken in [3] using a Java implementation of C4.5 called J48 to distinguish between 5 different applicat ...
Introduction
Introduction

... • Local area networks (LANs) connect computers within a building or a enterprise network • Almost all LANs are broadcast networks • Typical topologies of LANs are bus or ring or star • We will work with Ethernet LANs. Ethernet has a bus or star topology. ...
3.Introduction_on_Wireless_Communications
3.Introduction_on_Wireless_Communications

...  Several “members” of a “family”: UMTS, cdma2000, DECT, …  Start of WAP (Wireless Application Protocol) and i-mode  Access to many (Internet) services via the mobile phone ...
Integrated Service - National Tsing Hua University
Integrated Service - National Tsing Hua University

... • Goal of QoS architecture: ...
Optical Network Infrastructure for GRID
Optical Network Infrastructure for GRID

... GRID applications (e.g. radio astronomy [11]) that are sensitive to the packet loss pattern rather than the packet loss. There are also specific applications [12] that they may require bulk data transfers for database replication or load balancing and therefore packet loss minimisation is necessary ...
IPv6-Node-Address
IPv6-Node-Address

... IPv6 custom subnets  Subnet ID or Site-Level Aggregator 16-bit field allows you to configure up to 65,535 individual subnets  All 16 bits to zero creates a single network  Use all 16 bits to perform the equivalent of subnetting under IPv4, by assigning a different Subnet ID to each subnet, up to ...
The Nightingale-Bamford School
The Nightingale-Bamford School

... Unauthorized Downloading – any downloading of programs from the Internet that is not directed by the Technology Department of Nightingale, including but not limited to the downloading of screensavers, wallpaper, music, and instant messaging software. You should never download or install any software ...
Intel® Ethernet Server Adapters I350
Intel® Ethernet Server Adapters I350

... data sorting and coalescing in the network silicon. VMDq technology makes use of multiple queues in the network controller. As data packets enter the network adapter, they are sorted, and packets traveling to the same destination (or virtual machine) get grouped together in a single queue. The packe ...
CHAPTER 1: Computer Systems
CHAPTER 1: Computer Systems

... Simple means of wiring a bussed Ethernet together Logically still a bus network CSMA-CD Collision  Occurs when multiple nodes access the network in such a way that their messages become mixed and garbled ...
Experiment: Step by Step
Experiment: Step by Step

... not be executed! Using thewill commands specified by user in the configuration file ...
Congestion
Congestion

... Fairness, parallel TCP connections  application can open  do not want rate multiple parallel throttled by congestion connections between two control hosts instead use UDP:  web browsers do this  send audio/video at  e.g., link of rate R with 9 constant rate, tolerate packet loss existing connec ...
ppt
ppt

... [Clark & Wroclawski ‘97] ...
Why you still need an MPLS VPN White Paper Executive Summary
Why you still need an MPLS VPN White Paper Executive Summary

... Along with supporting additional security, MPLS has been designed as a bona fide application networking platform for business, so it layers many other business-class network service enhancements on top of secure transport. These attributes are not available with generalpurpose Internet/IPsec service ...
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Network tap

A network tap is a hardware device which provides a way to access the data flowing across a computer network. In many cases, it is desirable for a third party to monitor the traffic between two points in the network. If the network between points A and B consists of a physical cable, a ""network tap"" may be the best way to accomplish this monitoring. The network tap has (at least) three ports: an A port, a B port, and a monitor port. A tap inserted between A and B passes all traffic through unimpeded, but also copies that same data to its monitor port, enabling a third party to listen.Network taps are commonly used for network intrusion detection systems, VoIP recording, network probes, RMON probes, packet sniffers, and other monitoring and collection devices and software that require access to a network segment. Taps are used in security applications because they are non-obtrusive, are not detectable on the network (having no physical or logical address), can deal with full-duplex and non-shared networks, and will usually pass through traffic even if the tap stops working or loses power.
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