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CAN1102-2009-10-S1-exampaper
CAN1102-2009-10-S1-exampaper

... (a) Describe briefly the difference between flow control and congestion control in relation to a connection-oriented protocol such as TCP. [6 marks] (b) What is the initial rate of data transfer in the slow start phase of TCP congestion control, if the MSS is 1060 bytes and an average RTT of 200 mil ...
Cisco IOS Firewall
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... Serving more than three billion mobile users around the world, Aicent, Inc. is a leading provider of data network services and solutions for global mobile operators. Aicent operates one of the largest GPRS, 3G, and LTE network exchanges supporting over two hundred customers including the world’s ten ...
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... • They do not necessarily travel together; they do not travel sequentially. They don't even all travel via the same route. But eventually they arrive at the right point -- that digital address added to the front of each string of digital data -and at their destination are reassembled into the correc ...
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... • Transferring petabytes of data a year, gigabytes per second per experiment • Cascading data storage model, nearzero packet loss per data stream, distributed database for end-user data manipulation • VRVS collaboration system supports multiple video formats and technologies • Network for Earthquake ...
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... around the world to download music files and share their own collections with other users on its network Users connected to a centralized Napster server and the names of their shared files were sent and stored on the central server To search, a request was sent to the Napster server, which searched ...
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... already have a route, it broadcasts a route request (RREQ) packet across the network. Nodes receiving this packet update their information for the source node and set up backwards pointers to the source node in the route tables. In addition to the source node's IP address, current sequence number, a ...
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... GLOSSARY OF SELECTED TERMS Bandwidth: frequency range used by the communication system. Baseband: use voltage difference (digital) Broadband: use coaxial cable and analog (RF) signals. Higher band width, multiple channels on the same cable. Digital signals are modulated on a carrier frequency. CTV: ...
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... the Internetworking Challenge • Enable the use of new packet networks • Provides a choice among multiple available packet network technologies • Uniquely combine circuit emulation and service emulation over a packet network • Deliver a solution allowing the transport of TDM, HDLC, and ATM based serv ...
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... typically battery limited. Power consumption can occur due to receiving the data, transmitting the data traffic, mobility etc. Power failure of mobile node not only affects the node itself but also its ability to forward packets on behalf of others and hence overall network lifetime. It might not be ...
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... L2/L3 routing products targeting service provider edge and aggregation as well as the enterprise customers and data center. EABU delivered some of Juniper's most successful industry leading products including: M Series Multiservice Edge Routers: Juniper Networks M Series Multiservice Edge Routers un ...
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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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