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ATM
ATM

... ATM operates in a connection-oriented mode. ...
CF for coordinated monitoring in WSN
CF for coordinated monitoring in WSN

... lauantaina 10. joulukuuta 2011 ...
Multicast-based Mobility - Department of Electrical and Computer
Multicast-based Mobility - Department of Electrical and Computer

... standard has been shown to exhibit poor handover performance. Most other work attempts to modify MIP to slightly improve its efficiency, while others propose complex techniques to replace MIP. Rather than taking these approaches, we instead propose a new architecture for providing efficient and smoo ...
Network Working Group D. Awduche Request for
Network Working Group D. Awduche Request for

... traffic engineering concepts to operational networks is that it helps to identify and structure goals and priorities in terms of enhancing the quality of service delivered to end-users of network services. The application of traffic engineering concepts also aids in the measurement and analysis of t ...
Chapter5_5th_Aug_2009
Chapter5_5th_Aug_2009

... Cable Network Architecture: Overview ...
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Lect14

... – Must pass local MTU up to TCP for TCP segments. ...
Computer network- Chapter 1: Introduction
Computer network- Chapter 1: Introduction

... table, when the connection is created, or when each packet is sent.  Congestion: Controls the number packets in the subnet.  Accounting: Counts packets/bytes for billing purposes. ...
Click for PDF - Cyber Security Services
Click for PDF - Cyber Security Services

... The Strategies to Mitigate Targeted Cyber Intrusions – Mitigation Details document includes an  annex of key changes for 2014. A summary of the most significant changes are as follows.  10. Mitigation  strategy  #4  ‘Restrict  administrative  privileges’  has  been  amended  to  clarify  that  the  ...
Inferring Spammers in the Network Core
Inferring Spammers in the Network Core

... of total SMTP flows seen by the server. A high ratio of, for example, 0.9 indicates that 90% of all incoming SMTP sessions are accepted, whereas a low ratio indicates that most of the connections are rejected during the TCP handshake or the SMTP envelope. Clearly, the observed acceptance ratio for a ...
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About the Presentations

... • All target traffic is forwarded to the proxy at a single ...
Firewall Labs
Firewall Labs

... bases decrease performance.  And because packet filters can only check low-level ...
Networking Components and Devices
Networking Components and Devices

... As with a hub, computers connect to a switch via a length of twisted-pair cable. Multiple switches are often interconnected to create larger networks. Despite their similarity in appearance and their identical physical connections to computers, switches offer significant operational advantages over ...
A Quantitative Analysis of the Gnutella Network Traffic”
A Quantitative Analysis of the Gnutella Network Traffic”

... that we have collected but which we haven’t analyzed due to time shortage. Our metrics might facilitate the development of more advanced P2P protocols which might take into consideration various bottlenecks and characteristics of current solutions, such as Gnutella. ...
SEMESTER 1 Chapter 5
SEMESTER 1 Chapter 5

... from these multiple parameters. By default, only bandwidth and delay are used. IS-IS and OSPF: Cost - Best path is chosen by the route with the lowest cost. . Cisco's implementation of OSPF uses bandwidth. The second value in the brackets. Load balancing ...
ZigBee Overview
ZigBee Overview

... Zigbee offers a means to build a reliable but affordable network backbone that takes advantage of batteryoperated devices with a low data rate and a low duty cycle. Home automation is likely the biggest market for ZigBeeenabled devices. This follows from the number of remote controlled devices (or d ...
Practical Far-End NAT Traversal for VoIP Whitepaper PDF
Practical Far-End NAT Traversal for VoIP Whitepaper PDF

... 6. Allow an external host and only that specific external host to send inbound UDP using the same port pair to an inside host. This is called a Port-restricted Cone or Symmetric NAT. Note that there is also a further difference between a Port-restricted Cone and Symmetric NAT which relates to the us ...
ATM, AAL2 and AAL5
ATM, AAL2 and AAL5

... Main characteristics of ATM ATM is a connection-oriented technique  information in form of cells is routed through the network along a single path. Cells are always received in sequence. virtual connections Statistical multiplexing of cells. An ATM connection is by definition unidirectional. ATM s ...
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Chapter 4 slides

... upper layer protocol to deliver payload to ...
Measurement and Analysis of TCP Throughput Collapse in Cluster-based Storage Systems
Measurement and Analysis of TCP Throughput Collapse in Cluster-based Storage Systems

... cause of Incast (Figure 5).5 When goodput degrades, most servers still send their SRU quickly, but one or more other servers experience a timeout due to packet losses. The servers that finish their transfer do not receive the next request from the client until the client receives the complete data bl ...
At a Glance Avistar C3 Integrator™ for Citrix
At a Glance Avistar C3 Integrator™ for Citrix

... interactive solutions to make. Applications such as visual communications reduce the burden put on the infrastructure by optimizing or compressing data before it is transmitted. This prevents bogging down networks and degrading application performance and scalability. Unfortunately in a virtualized ...
CHAPTER 0 INTRODUCTION TO TCP/IP
CHAPTER 0 INTRODUCTION TO TCP/IP

... are protocols that support application programs. For example, the HTTP protocol is an application layer protocol that supports web browsers and web servers. Other protocols at the application layer are support of electronic mail (POP3, SMTP), file transfers (FTP), or command line interfaces to remot ...
Design and Evaluation of a Metropolitan Area Multitier Wireless Ad
Design and Evaluation of a Metropolitan Area Multitier Wireless Ad

... DSR transmits routing packets only when a node tries to send packets to another node for which it does not have a route in its Route Cache, or when a route that a node is using breaks while the node is actively using this route to forward packets. As a result, DSR only reacts to topology changes tha ...
Network Exception Handlers: Host-network Control in Enterprise
Network Exception Handlers: Host-network Control in Enterprise

... during the period that the exception holds. The latter two functions together comprise the action. Information about the network is exposed in a single data structure, called NetworkState, which includes information about the network topology, link loads, and other information against which the netw ...
TCP, IGP, EGP etc. - La Salle University
TCP, IGP, EGP etc. - La Salle University

... The packet is bounced around like a "hot potato," sometimes moving further away from its destination because it has to keep moving through the network. This technique allows multiple packets to reach their destinations without being dropped. This is in contrast to "store and forward" routing where t ...
Chapter 4: Network Layer
Chapter 4: Network Layer

... Two key router functions:  run routing algorithms/protocol (RIP, OSPF, BGP)  forwarding datagrams from incoming to outgoing link ...
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Deep packet inspection

Deep Packet Inspection (DPI, also called complete packet inspection and Information eXtraction or IX) is a form of computer network packet filtering that examines the data part (and possibly also the header) of a packet as it passes an inspection point, searching for protocol non-compliance, viruses, spam, intrusions, or defined criteria to decide whether the packet may pass or if it needs to be routed to a different destination, or, for the purpose of collecting statistical information. There are multiple headers for IP packets; network equipment only needs to use the first of these (the IP header) for normal operation, but use of the second header (TCP, UDP etc.) is normally considered to be shallow packet inspection (usually called Stateful Packet Inspection) despite this definition.There are multiple ways to acquire packets for deep packet inspection. Using port mirroring (sometimes called Span Port) is a very common way, as well as an optical splitter.Deep Packet Inspection (and filtering) enables advanced network management, user service, and security functions as well as internet data mining, eavesdropping, and internet censorship. Although DPI technology has been used for Internet management for many years, some advocates of net neutrality fear that the technology may be used anticompetitively or to reduce the openness of the Internet.DPI is used in a wide range of applications, at the so-called ""enterprise"" level (corporations and larger institutions), in telecommunications service providers, and in governments.
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