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Net Insight The Nimbra™ Platform
Net Insight The Nimbra™ Platform

... The Nimbra platform includes a unique Time Transfer capability that allows highly accurate distribution of real time over the same network that carries the video signals. This eliminates the need for costly and potentially insecure GPS receivers in the network. TV operators deploying digital terre ...
Wireless LANS and PANS
Wireless LANS and PANS

... • SIFS (Short InterFrame Spacing) is used to allow the parties in a single dialog the chance to go first including letting the receiver send a CTS and an ACK and the sender to transmit the next fragment. • PIFS (PCF InterFrame Spacing) is used to allow the base station to send a beacon frame or poll ...
15-441 Lecture 5
15-441 Lecture 5

... •How do we transfer packets between two hosts connected to the same network? •Switches connected by point-to-point links -store-and-forward. – Used in WAN, LAN, and for home connections – Conceptually similar to “routing” • But at the datalink layer instead of the network layer ...
An Architectural Framework for Inter
An Architectural Framework for Inter

... France Telecom R&D, Caen, France [email protected] P. Georgatsos Algonet SA., Athens, Greece [email protected] ...
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...  Residential, company and university ISPs Access ISPs in turn must be interconnected.  So that any two hosts can send packets to each other Resulting network of networks is very complex  Evolution was driven by economics and national policies Let’s take a stepwise approach to describe current Int ...
Data security based on multipath routing.
Data security based on multipath routing.

... Networks By Souheila BOUAM and Jalel BEN-OTHMAN ...
The Internet Network layer
The Internet Network layer

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Chapter 1 - EECS User Home Pages
Chapter 1 - EECS User Home Pages

...  Residential, company and university ISPs Access ISPs in turn must be interconnected.  So that any two hosts can send packets to each other Resulting network of networks is very complex  Evolution was driven by economics and national policies Let’s take a stepwise approach to describe current Int ...
The Grid Block Device
The Grid Block Device

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Autonomic Wireless Sensor Networks: Intelligent Ubiquitous
Autonomic Wireless Sensor Networks: Intelligent Ubiquitous

... Other devices can join in the same way A networking protocol (e.g. ZigBee) on top of IEEE 802.15.4 is required to allow communication between nodes that are not in range of each other by routing of packets via intermediate nodes (multi hop). ...
EN7278
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... attack is denied successfully by IDS. ...
4th Edition: Chapter 1
4th Edition: Chapter 1

...  Residential, company and university ISPs Access ISPs in turn must be interconnected.  So that any two hosts can send packets to each other Resulting network of networks is very complex  Evolution was driven by economics and national policies Let’s take a stepwise approach to describe current Int ...
IOSR Journal of Computer Engineering (IOSR-JCE)
IOSR Journal of Computer Engineering (IOSR-JCE)

... MANET nodes can leave and join the network and move independently, so the network topology can change frequently. The highly dynamic operation of a MANET can cause traditional techniques of IDS to be unreliable. E. Lack of Central Points MAMANETs do not have any entry points such as routers, gateway ...
ppt
ppt

...  In Multicast (using distance-vector):  A packet can be routed on multiple outgoing interfaces  The packet’s final destination(s) are unknown by intermediate routers  As a result, can’t do destination-based routing, so ...
network
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...  Residential, company and university ISPs Access ISPs in turn must be interconnected.  So that any two hosts can send packets to each other Resulting network of networks is very complex  Evolution was driven by economics and national policies Let’s take a stepwise approach to describe current Int ...
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telecommunications system

... A local area network (LAN) connects two or more devices in a limited geographical region, usually within the same building, so that every device on the network can communicate with every other device. ...
networking - VCE IT Lecture Notes by Mark Kelly
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... Software Development – all topics are relevant Note – several complex issues have been grossly simplified in this presentation. For example, detailed differences between switches and routers at the transport level are not necessary in any VCE course and will only serve to frighten sensitive souls. ...
I41026670
I41026670

... SP.MPLS-enabled IP VPNs are connectionless IP networks with the same privacy as frame relay and multiple IP service classes to enforce business-based policies. MPLS-based VPNs make operations much more efficient. The traditional overlay VPN solutions require tunnelling or encryption deployed over a ...
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... By definition of the term, Ethernet hubs: ...
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...  Communication between cooperating applications at each end node  Can take many forms such as data, a program, a file, or multimedia  Represented digitally  Data is described as a byte stream because communications are predominantly serial  Limitation as a communication tool is the varying mess ...
Chapter 12: Networks and Data Communications
Chapter 12: Networks and Data Communications

...  Communication between cooperating applications at each end node  Can take many forms such as data, a program, a file, or multimedia  Represented digitally  Data is described as a byte stream because communications are predominantly serial  Limitation as a communication tool is the varying mess ...
MOBILE COMPUTING - Technicalsymposium
MOBILE COMPUTING - Technicalsymposium

... 'Dynamic Source Routing' (DSR) is a routing protocol for wireless mesh networks. It is similar to AODV in that it forms a route on-demand when a transmitting computer requests one. However, it uses source routing instead of relying on the routing table at each intermediate device. Determining source ...
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... Internet Control Message Protocol (ICMP) • ICMP – Used by routers and nodes – Performs error reporting for the Internet Protocol • ICMP reports errors such as invalid IP address, invalid port address, and the packet has hopped too many times ...
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... field. Early years of telephone systems and current status of the internet may be in this phase. 3. Matured phase: large scale structure is fully developed, and the things are fairly stable so that the universe looks almost static. An observation is that the universe does not transform itself from o ...
3rd Edition: Chapter 2
3rd Edition: Chapter 2

...  Content Delivery Infrastructure:  Delivering content to clients from surrogates  Accounting Infrastructure:  Logging and reporting of distribution and delivery activities 2: Application Layer ...
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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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