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presentation title/size 30
presentation title/size 30

... Best-of-Class Integrated Services Routers: New Opportunities for Service Providers and Partners “As a premier provider of managed services to the most demanding of organisations, BT requires its service platforms to deliver best-in-class service capabilities, while at the same time, maintain the hi ...
Wireless Security Update
Wireless Security Update

... Designed for medium to large-size organizations such as businesses, government agencies, and universities with authentication server The personal security model has 2 options: WPA & WPA2 (older equipment may be forced to implement WPA, while newer equipment can support WPA2) ...
Chapter 8
Chapter 8

... • A study at Georgia Tech on Internet traffic • Objectives • Traffic growth and trend • Traffic patterns • Network comprising Ethernet and FDDI LANs • Tools used • HP Netmetrix protocol analyzer • Special high-speed TCP dump tool for FDDI LAN • RMON groups utilized • Host top-n • Matrix group • Filt ...
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... congestion control is applied. For example, TCP Tahoe always reduces Congestion Window to its initial value after a loss event. Meanwhile, in TCP Reno, all the congestion phases take place. ...
Routing II
Routing II

... •Provider networks built from a large number of point-to-point links that connect to routers •End user site consists of physical networks connected by routers and bridges •Each provider & end user network is likely to be an administratively independent entity •Each provider’s network is usually a si ...
Ch4. Network Layer and Routing
Ch4. Network Layer and Routing

... Steiner tree problem: None of the existing Internet multicast routing algs has been based on this approach: information about all links is needed, rerun whenever link costs change and performance. Center-based approach: center node, rendezvous point or core: how to select the center ...
Elektronischer Hšrsaal
Elektronischer Hšrsaal

... – TCP dominant, but does not satisfy Max-Min-fairness criterion! – Ack-clocked - flows with shorter RTT react sooner (slow start, ..) and achieve better results – Therefore, Internet definition of fairness: TCP-friendliness "A flow is TCP-compatible (TCP-friendly) if, in steady state, it uses no mor ...
An approach to a defense data network for the
An approach to a defense data network for the

... Saudi Ministry of Defense and Aviation (MODA) to remain abreast of such technology. Due to lack of actual data about MODA requirements, this theme is focused on the general concepts of computer and data communications networks. In addition, this thesis includes a detailed discussion of the U.S. DDN ...
Detail Comparison of Network Simulators
Detail Comparison of Network Simulators

... for use under General Public License (GNU). It provides support for both wired and wireless simulation of functions and protocols such as TCP, UDP etc. NS2 was developed from the ideology of REAL simulator[19]. NS2 is one of the popular simulators due to its flexibility and modular behavior. It is w ...
comm3380-slides-week08_PA1
comm3380-slides-week08_PA1

... RIP broadcast from a neighbouring router • If the destination is not in the table, then create a new table entry for it. • If the destination is already in the table via a different route but the received list gives a shorter distance to it, then change the table entry. • If the destination is alre ...
FREE Sample Here
FREE Sample Here

... Network layer protocols accept the Transport layer segments and add logical addressing information in a network header. At this point, the data unit becomes a packet. Network layer protocols also determine the path from point A on one network to point B on another network by factoring in:  Deliver ...
FREE Sample Here
FREE Sample Here

... Network layer protocols accept the Transport layer segments and add logical addressing information in a network header. At this point, the data unit becomes a packet. Network layer protocols also determine the path from point A on one network to point B on another network by factoring in:  Deliver ...
IP: Addresses and Forwarding - RPI ECSE
IP: Addresses and Forwarding - RPI ECSE

... IP Features Connectionless service  Addressing  Data forwarding  Fragmentation and reassembly  Supports variable size datagrams  Best-effort delivery: Delay, out-of-order, corruption, and loss possible. Higher layers should handle these.  Provides only “Send” and “Delivery” services Error and ...
Secure Routing in VANET
Secure Routing in VANET

... • In Position-Based Routing (PBR), the message data is encrypted end-to-end by the source (immutable) and the transmission data is encrypted hop-by-hop by the senders (mutable). Every time a message travels from a link, the TTL is updated and the mutable information is signed by the sender. • In the ...
ISP Help Desk - Metcalfe County Schools
ISP Help Desk - Metcalfe County Schools

... network issue (you decide the issue and how complex you want it to be) and both level 1 and level 2 ISP technicians. Include suggestions, processes, test and other measures that might be recommended by the technician to fix the problem. After the script has been designed it should be presented to th ...
The Audio over IP Instant Expert Guide
The Audio over IP Instant Expert Guide

... for the transmitting codec to know all the recipients of a transmission. Multicast transmissions are sent using a dedicated IP multicast address that looks similar to a regular IP address and multicast subscribers request transmissions from this address. This unique address allows multicast routers ...
Network Design and Analysis
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... • A network provider has control over design and management for the network that is under its own administrative domain; thus, in order to do that , an important need for each provider would be to determine traffic demand in its own network ...
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... Baseline tests of the network demonstrate that without IPSec tunnel or firewall appliances, application throughput of bidirectional IP packets at 10 Mbit/s halfduplex demonstrated a baseline of 6.9 Mbit/s for FTP traffic and 8.8 Mbit/s for SAP R/3 traffic. The baseline cannot reach the theoretical m ...
Java – Secure Application Manager
Java – Secure Application Manager

... Remember to move this “don’t rewrite” policy before the policy (top of list) that rewrites all (*:* policy) and then save the changes. ...
BlackDiamond® 10808 - Smart Technologies
BlackDiamond® 10808 - Smart Technologies

... Longest Prefix Match (LPM) routing eliminates the need for control plane software to learn new flows and allows the network to be resilient under a DoS attack. With LPM the CPU is not burdened with forwarding the “First Packet” to any unrecognized destination, freeing the CPU for critical tasks. ...
Survey on Efficient Multicast Routing Protocols in MANET
Survey on Efficient Multicast Routing Protocols in MANET

... other hand it is too much data stored which at the time of link failure causes late recovery of the tables [8]. Reactive routing protocols are purposefully designed to reduce the overheads in proactive protocols by maintaining information for active routes. The routes are determined and maintained f ...
Multihomed Mobile Network Architecture
Multihomed Mobile Network Architecture

... ongoing communication irrespective of its current point of attachment. This is not only applicable to individual IPv6 hosts but also to those interconnected into mobile IPv6 networks which can be formed in different environments. Personal Area Networks (PAN), Internet access on public transport such ...
SWITCH Ch 1 - House of Technology
SWITCH Ch 1 - House of Technology

...  Normal Data – File and print services, email, Internet browsing, database access, shared network applications; low to medium bandwidth  Scavenger Class – All traffic with protocols or patterns that exceed normal data flows; less than best-effort traffic, such as peer-to-peer traffic (instant mess ...
connect-and-protect: building a trust-based
connect-and-protect: building a trust-based

... industrial internet by 2020. They note that today’s focus on improved return on investment on internet advertising will give way to the much greater value created from the analysis of the data generated by IoT, the estimated cumulative effect of which is expected to top $1.7 trillion by 2020. As IoT ...
IEEE 802.21 Media Independent Handover Services
IEEE 802.21 Media Independent Handover Services

... another. The IEEE 802.21 is a recent effort of IEEE that aims at providing a general interface for the management of NICs. In this paper we discuss how the upcoming standard may be effectively exploited in a mobile context in order to hide network heterogeneity to end users. To accomplish this task, ...
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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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