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Lecture 3: Slides
Lecture 3: Slides

... routing has been proposed Explicit domain-level path construction fits with namebased routing (e.g. TRIAD) [Lak2006] proposes providing the path selection function as a separate routing service [Key2006] lets the sending host optimize path selection based on congestion information NIRA [Yan2007] pro ...
Draft - the United Nations Office at Nairobi
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... official United Nations business should not exceed four megabytes (10,000,000 bytes). Staff are encouraged to use space reducing utilities like pkzip or winzip in order to minimize the size of attachments. For transmitting larger files, a File Transfer Protocol / Web site has been established and de ...
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... • Network provides best-effort delivery • (Hmm, does it anymore? More on this in a few weeks) ...
Chapter 2: Attackers and Their Attacks
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... Can be used independently of the network and can have their own applications ...
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... One way to characterize networks is according to their size. Two well-known examples are local area networks (LANs) and wide area networks (WANs); the former typically extend less than 1 km, while the latter can be worldwide. Other networks are classified as metropolitan area networks (MANs), which ...
Internet Exchange Points
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... Network Address Translation (NAT) • Allows sharing a single public IP address among several devices CGN • Does not scale ...
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... Note: s and R are very different quantities! ...
Tesseract* A 4D Network Control Plane
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... Security policies, QoS, egress point selection Do not bury goals in box-specific configuration Make policy dependencies explicit ...
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... • Flood target with ping traffic and use up all available bandwidth • Smurf exploits ICMP by sending a spoofed ping packet to the broadcast address and has the source address listed as the victim • In 2002, an attacks was launched against core DNS servers. They had ping enabled – Results in a large ...
Chapter 4 - LAN Design
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... Placement of Servers Servers now perform special functions and can be categorized as either...  Enterprise Servers--supports all users on the network DNS and mail servers should be placed in the MDF ...
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... that makes use of the public infrastructure as the medium for transmission, extending the boundary of the private network. • VPNs rely on tunneling to create a safe transmission. • The tunneling protocol “wraps’ the packet (often just the header), creating a virtual tunnel through which the data can ...
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... • An individual network usually spans a single geographical area, providing services and applications to people within a common organizational structure, such as a single business, campus or region. ...
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... To use the Internet as a private Wide Area Network, organizations may have to address two issues : First, networks often communicate using a variety of protocols, such as IPX and NetBEUI, but the Internet can only handle TCP/IP traffic. So VPN may need to provide a way to pass non-TCP/IP protocols f ...
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IP Networks

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IOSR Journal of Electronics and Communication Engineering (IOSR-JECE)
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... In this paper, we examine the possibility of deploying an intelligent and real-time adaptive traffic signal controller, which receives information from vehicles, such as the vehicle’s position and speed, and then utilizes this information to optimize the traffic signal scheduling at the intersection ...
Chapter 2: Networking Standards and the OSI Model
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... • Identify organizations that set standards for networking • Describe the purpose of the OSI model and each of its layers • Explain specific functions belonging to each OSI model layer ...
9781423902454_PPT_ch02 - Advanced Computer Maintenance
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Active Networks: Applications, Security, Safety
Active Networks: Applications, Security, Safety

... Need for Active Networks: • Need an ability to program the networks. • Networks should be able to do computations on user data. • Users can supply the programs to perform these computations. ...
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... Install an 802.11g (or 802.11b) NIC into each host  Plug a wireless router or base station into your Internet connection (e.g. cable modem)  Configure the SSID and security protocols on the wireless router and each of the NICs ...
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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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