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Workgroup Systems
Workgroup Systems

... They convert scanned documents into file formats that are easily transported over the Internet or your company intranet, sending data to e-mail address destinations or other I-fax-capable machines. Internet faxing bypasses the public switched telephone network and offers many advantages for your bus ...
Introduction - School of Electrical Engineering and Computer Science
Introduction - School of Electrical Engineering and Computer Science

... automatically; primarily distinguished by the cause of the failure – Self-configuration - methods for (re-)generating adequate configurations depending on the current situation in terms of environmental circumstances, e.g. connectivity, quality of service parameters – Self-management - capability to ...
Network Security
Network Security

... Authentication at the IP layer is concerned with the identity of computer systems. IP addresses are software configurable and the mere possession (or fraudulent use) of one enables communication with other systems. Two such techniques to do this are  address masquerading  address spoofing ...
technical glossaries and abbreviations
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... and the telecommunications networks and services consultative committee are advisory committees created by the Telecommunications Act of 26 July 1996. They report to the telecommunications minister and to the ART chairman. CDN : A Content Distribution Network (CDN) service places the content that is ...
Network Security Appliance Series
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... and application control without compromising performance. It relies on streaming traffic payload inspection to detect threats at Layers 3-7, and takes network streams through extensive and repeated normalization and decryption in order to neutralize advanced evasion techniques that seek to confuse d ...
Multi-Protocol Label Switch (MPLS)
Multi-Protocol Label Switch (MPLS)

... forwarding decisions based solely on the contents of the label. At each hop, the LSR strips off the existing label and applies a new label which tells the next hop how to forward the packet. Label Switch Paths (LSPs) are established by network operators for a variety of purposes, such as to guarante ...
HP Networking guide to hardening Comware
HP Networking guide to hardening Comware

... Once created, the ACL must be applied to all interfaces that face non-infrastructure devices. This includes interfaces that connect to other organizations, remote access segments, user segments, and data center segments. ICMP packet filtering Internet Control Message Protocol (ICMP) is designed as a ...
RFITS - Tolerant Systems
RFITS - Tolerant Systems

... uninterrupted operation of VPN service guaranteed share of access link bandwidth for VPNs reliable attack detection with fully automated failover response actionable information for other DoS protection tools no changes to core network infrastructure ...
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... • Flow Control. If the rate at which the data are absorbed by the receiver is less than the rate produced in the sender, the data link layer imposes a flow control mechanism to prevent overwhelming the receiver. • Error control. The data link layer adds reliability to the physical layer by adding ...
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... permits only one node to transmit at a time. Transmission is accomplished by sending a carrier signal. Carrier sense is the process of checking communication media for a specific voltage level indicating the presence of a data-carrying signal. When no signal traffic is detected on the communications ...
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SkyExtender DualBand

... backhaul, Wi-Fi can be deployed in dense coverage patterns, like blanketing the downtown area of a city, as well as being deployed in targeted locations such as hotzones or residences. This allows multiple distinct and separate Wi-Fi networks to connect to a high-capacity, redundant mesh backhaul to ...
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Transformational Satellite Communications System (TSAT) Network

... – carrying multicast membership announcements through the network – advertising routes to use for multicast traffic, respectively Hierarchical Multicast Address Allocation Support – multicast group addresses are allocated in non-overlapping blocks to avoid conflicts – Hierarchical allocation of non- ...
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Core of Multicast VPNs

... are better suited for MVPNs than others, depending on the type of service being offered, the applications supported, and the amount of traffic transported. A generic MVPN service delivered by service providers or large enterprises should be able to cater to a large number of different applications s ...
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... Connectionless Service An example of connectionless communication is sending a letter to someone without notifying the recipient in advance, see next figure. Connectionless data communications works on the same principle. IP packets are sent without notifying the end host that they are coming. Conn ...
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... • Interconnection and consolidation of corporate data centers • Transparent extension of the LAN by interconnecting distributed corporate locations • Support of SAN (storage area networks) • Server-less offices ...
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... Remote users can use the Citrix Web Interface for MetaFrame server to access a variety of applications via the IVE. This process does not require any alterations to the user permissions on the client. After a user browses to a Citrix Web Interface for MetaFrame server and selects an application, the ...
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... In essence, a Chaum mixing network for HTTP JAP uses a single static address which is shared by many JAP users. That way neither the visited website, nor an eavesdropper can determine which user visited which website. Instead of connecting directly to a Web server, users take a detour, connecting wi ...
Data Encryption Standard - gozips.uakron.edu
Data Encryption Standard - gozips.uakron.edu

...  The components of information security architecture are:  Policies and procedures – documented procedures and company policies that elaborate on how security is to be carried out  Security personnel and administrators – people who enforce and keep security in order  Detection equipment – device ...
CCNPv5 Module 5 Lesson 1
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...  Router MIB variables can point to entities like routing tables and other security-critical components of a router configuration, so it is very important that custom SNMP community strings are created ...
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... guarantee that the data will actually be delivered at the destination (for example, in cases where the end system is off or the network is down). In contrast, TCP is a connection-oriented service and provides communication between a networked host using packets. TCP uses handshaking signals to check ...
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R045059297

... In [6] proposed model predict the lifetime of a routing path, based on mobility and prediction technique. It considers a probability model derived through the subdivision into cells of the area where mobile nodes move and on the observations of node movements in these cells. Each connection between ...
NetworkSecurity
NetworkSecurity

... Types of Firewalls Packet Filters – Access control based on layer 2+3 (IP + TCP/UDP) headers, such as source and dest address and port. ...
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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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