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QoS - NOSS
QoS - NOSS

... different types of network traffic can be divided into classes of service ...
Hardened IDS using IXP
Hardened IDS using IXP

... Hardened IDS using IXP Didier Contis, Dr. Wenke Lee, Dr. David Schimmel Chris Clark, Jun Li, Chengai Lu, Weidong Shi, Ashley Thomas, Yi Zhang Motivation ...
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... Client-Server Environment • Distributed computing model • Clients linked through network controlled by network server computer • Server sets rules of communication for network and provides every client with an address so others can find it on the network • Has largely replaced centralized mainframe ...
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... especially because the interface is likely to be more servicecentric than component-centric. Tobias Ford from AT&T pointed out that the cloud is a convergence of several effects. Most importantly, the cloud should make the customers feel comfortable. SLAs explain availability to enterprises, while t ...
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... In communication networks, a topology is a schematic description of the arrangement of a network, including its nodes and connecting lines. The topology of a network is a diagram of the network and the way it ...
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... • Computer hardware does not understand IP. –Connecting a computer to the Internet does not mean it can use the Internet ...
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...  Each MAC PDU includes a connection ID which is used by the MAC protocol to deliver incoming data to the correct MAC user  There is a one-to-one correspondence between a connection ID and service flow  Service flow defines the QoS parameters for the PDUs that are exchanged on the connection  Exa ...
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... 16 Which e-mail protocol is used to send and receive e-mail messages between e-mail servers and used by e-mail client software to send messages to the server, but never used to retrieve e-mail from a server? A IMAP4 B POP3 C ...
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... OSI (135-137) The OSI is a model of how network communications should be broken down into functional “tasks”. Each layer performs one task. It provides “services” to the layer above it, and uses services from the layer below it. Remote devices talk to each other at the same level. The OSI model is ...
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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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