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2014Fa-CS61C-L38-dg-IO-Network - EECS: www
2014Fa-CS61C-L38-dg-IO-Network - EECS: www

... • Key to protocol families is that communication occurs logically at the same level of the protocol, called peer-topeer… …but is implemented via services at the next lower level • Encapsulation: carry higher level information within lower level “envelope” ...
Network Security Strategies
Network Security Strategies

... X.509 certificates for external authentication. Kerberos can be configured to use private or public key authentication. Keys are managed by the Domain Controller (DC) in the Key Distribution Center (KDC). A User is granted a ticket or certificate which permits a session between the user and the serv ...
Bright Lines
Bright Lines

... LANs offer computer users many advantages. ...
COMMZOOM BROADBAND INTERNET SERVICE DISCLOSURES
COMMZOOM BROADBAND INTERNET SERVICE DISCLOSURES

... potential customer believes they have an unusual configuration, our customer service department will help determine if there is a compatibility problem. ...
Voice over IP (VoIP)
Voice over IP (VoIP)

... access to a call center agent from the PC. Needless to say, voice is an integral part of conferencing systems that may also include shared screens, whiteboarding, etc. Combining voice and data features into new applications will provide the greatest returns over the longer term. Although the use of ...
Exploration CCNA4 - East Mississippi Community College
Exploration CCNA4 - East Mississippi Community College

... –WAN switch - These devices typically switch traffic such as Frame Relay or ATM and operate at the data link layer of the OSI model. : (operate in the cloud) –Router - Provides internetworking and WAN access interface ports that are used to connect to the service provider network. •These interfaces ...
Internetworking
Internetworking

... • Dynamic Host Configuration Protocol (DHCP) is a communications protocol that lets network administrators manage centrally and automate the assignment of Internet Protocol (IP) addresses in an organization's network. • Operation of DHCP – To contact a DHCP server, a newly booted or attached host br ...
Networking with Java
Networking with Java

... Internet is a network of networks. The Internet is really people communicating. Application layers 7, 6 : ...
Weekly Review Slides - CSE Labs User Home Pages
Weekly Review Slides - CSE Labs User Home Pages

... • throughput: rate (bits/time unit) at which bits transferred between sender/receiver – instantaneous: rate at given point in time – average: rate over longer period of time ...
IIUSA – Internet Institute
IIUSA – Internet Institute

... Static versus Dynamic Routes • Static routes are established by a network administrator and manually input directly into the routing table • Dynamic routes are learned through the use of a Routing Protocol. Dynamic routes are adaptive. Changes to path availability or establishment of new paths are a ...
Comparison and Contrast between the OSI and TCP/IP Model
Comparison and Contrast between the OSI and TCP/IP Model

... hosts participate in most network protocols. TCP/IP hosts carry out such functions as end-to-end verification, routing, and network control. The TCP/IP internet can be viewed as a data stream delivery system involving intelligent hosts. ...
ppt
ppt

... – E.G., BSM on Solaris: logs all direct or indirect events generated by a user – strace for system calls made by a program ...
Synergizing IP and OTN transport networks TextStart All technology
Synergizing IP and OTN transport networks TextStart All technology

... transit routers, which not only dramatically reduce the profitable bandwidth of the routers and the ROI, but also seriously deteriorate the QoS, making it hard to guarantee network performance. It is very difficult for existing technologies to realize direct connections between nodes in a large or m ...
Types of networks based on physical scope Local area network
Types of networks based on physical scope Local area network

... STC building used Metropolitan area network (MAN) to keep and control their informations. Also STC provide this services to the government and huge company because MAN is a large computer network that usually spans a city or a large campus, it's not cheep at all. ...
IT 141: Information Systems I
IT 141: Information Systems I

... interface card when it is made. Used for network security IP addresses: a series of numbers used to identify a network device. (e.g. 204.127.129.1) It is separated into 4 sections by periods. Each section is called an octet, because in binary it is represented by 8 bits.  It can be assigned by ISPs ...
Distance Vector Multicast Routing Protocol
Distance Vector Multicast Routing Protocol

... • Distributed protocol that generates IP Multicast delivery tree per source-group • Shortest path from Source to hosts – based on Number of hops metric ...
TIA-921 and ITU-T G.NIMM Statistically Based IP Network
TIA-921 and ITU-T G.NIMM Statistically Based IP Network

... Example of Network Model Coverage (NMC) Curve Mean Opinion Score - Listening Quality vs. TIA-921 Network Model Coverage (G.711 PLC, 40 ms jitter buffer) ...
Buffer-Sizing---CAIDA---May-2005 - McKeown Group
Buffer-Sizing---CAIDA---May-2005 - McKeown Group

... Appears in RFPs and IETF architectural guidelines.. Usually referenced to Villamizar and Song: “High Performance TCP in ANSNET”, CCR, 1994. Already known by inventors of TCP [Van Jacobson, 1988] Has major consequences for router design ...
Lecture 1
Lecture 1

... • Actions that are to be taken when a certain event occurs, e.g. sending or receiving messages, expiry of timers • The purpose of a protocol is to provide a service to the layer above ...
The Network Layer in the Internet
The Network Layer in the Internet

... mid 1990s, it will be used by much larger group of people, especially people with different requirements. Also, it may not be long before every television set in the world is an Internet node, producing a billion machine being used for video on demand. Seeing these problems, the work was started on ...
Intro to Networking
Intro to Networking

... The application layer (not shown above) passes its message to the transport layer. The transport layer attaches some number of bits, shown as TCP Header in the picture above and sends this onward to the network layer. The network layer then appends some number of bits, shown as IP Header in the pict ...
Simulation was carried out with the help of ns 2.29
Simulation was carried out with the help of ns 2.29

... all routing information. It simply means that the AODV not blindly forwarded every message. The number of hops of routing messages in ad hoc network is determined by Time-To-Live (TTL) in the IP header. This information will be used to make a reverse path for RREP message from the destination node. ...
Applications of Neural Networks in Telecommunications
Applications of Neural Networks in Telecommunications

... systems work and where they may be applied. It is often easier to gain acceptance for the first type rather than the second. The reasons are fairly clear; it is normally possible to gain an understanding of how the rule-based intelligent system arrives at its solution and this can be used to verify ...
Intro_part2
Intro_part2

... Data Transfer Through the Network 4/6 •Packet-Switching Data sent through network in discrete chunks Each end-to-end data stream divided into packets Users’ packets share network resources Each packet uses full link bandwidth Resource contention ...
TR41.4-05-08-008-M-TIA-921PerformanceEvaluation
TR41.4-05-08-008-M-TIA-921PerformanceEvaluation

... Example of Network Model Coverage (NMC) Curve Mean Opinion Score - Listening Quality vs. TIA-921 Network Model Coverage (G.711 PLC, 40 ms jitter buffer) ...
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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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