• Study Resource
  • Explore
    • Arts & Humanities
    • Business
    • Engineering & Technology
    • Foreign Language
    • History
    • Math
    • Science
    • Social Science

    Top subcategories

    • Advanced Math
    • Algebra
    • Basic Math
    • Calculus
    • Geometry
    • Linear Algebra
    • Pre-Algebra
    • Pre-Calculus
    • Statistics And Probability
    • Trigonometry
    • other →

    Top subcategories

    • Astronomy
    • Astrophysics
    • Biology
    • Chemistry
    • Earth Science
    • Environmental Science
    • Health Science
    • Physics
    • other →

    Top subcategories

    • Anthropology
    • Law
    • Political Science
    • Psychology
    • Sociology
    • other →

    Top subcategories

    • Accounting
    • Economics
    • Finance
    • Management
    • other →

    Top subcategories

    • Aerospace Engineering
    • Bioengineering
    • Chemical Engineering
    • Civil Engineering
    • Computer Science
    • Electrical Engineering
    • Industrial Engineering
    • Mechanical Engineering
    • Web Design
    • other →

    Top subcategories

    • Architecture
    • Communications
    • English
    • Gender Studies
    • Music
    • Performing Arts
    • Philosophy
    • Religious Studies
    • Writing
    • other →

    Top subcategories

    • Ancient History
    • European History
    • US History
    • World History
    • other →

    Top subcategories

    • Croatian
    • Czech
    • Finnish
    • Greek
    • Hindi
    • Japanese
    • Korean
    • Persian
    • Swedish
    • Turkish
    • other →
 
Profile Documents Logout
Upload
Chapter 1 - UniMAP Portal
Chapter 1 - UniMAP Portal

... Networks and Services Network Architecture and Services Telegraph Networks & Message Switching Telephone Networks and Circuit Switching Computer Networks & Packet Switching Future Network Architectures and Services Key Factors in Network Evolution ...
Question 1
Question 1

... State which of the following statements are true and which are false, stating your reasons for false statements. 1. Hubs help in enhancing the performance of star networks under collisions. 2. If the number and load of computers in a shared Ethernet and a switched Ethernet are the same, then the ave ...
CMPE 155 - University of California, Santa Cruz
CMPE 155 - University of California, Santa Cruz

... Service control: types of service that can be accessed (inside and outside).  Direction control: determines directions in which certain traffic allowed to flow.  User control: determines which user allowed to access which service.  Behavior control: controls access to particular services (e.g., f ...
man-in-the-middle - Personal.kent.edu
man-in-the-middle - Personal.kent.edu

... • No Limit on using the same IV Value more than once.This makes the encryption vulnerable to collisionbased attacks. • Problem #2 • The IV is only 24 bits, there are only 16.7 million possible variations. ...
How UTM Solutions Provide the Most Complete
How UTM Solutions Provide the Most Complete

... Signature-based solutions, for years the mainstay of every network security arsenal, use a database of known signature files to identify and block malicious traffic before it enters a network. They provide protection against threats such as trojans, buffer overflows, arbitrary execution of malicious ...
Go back
Go back

... Similarly, for smaller, geographically united organizations, "extranet" is a useful term to describe selective access to intranet systems granted to suppliers, customers, or other companies. Such access does not involve tunneling, but rather simply an authentication mechanism to a web server. In th ...
CS447_Spring2002_Rea..
CS447_Spring2002_Rea..

... Assume the following rules: 1. Whichever host that has "a token" can transmit data (data as a packet). 2. If a host finishes transmitting a packet, the host has to wait for the transmitted packet to come back on the ring. 3. Then the host removes the transmitted packet. 4. When a transmitting host c ...
Fragmentation and IP Forwarding
Fragmentation and IP Forwarding

... 32 bit source IP address 32 bit destination IP address Options (if any) ...
presentationToddandAsh
presentationToddandAsh

... What causes the differences in performance? ...
and packet switching - Computer Science Division
and packet switching - Computer Science Division

... – protocols needed for reliable data transfer, congestion control • Q: How to provide circuit-like behavior? – bandwidth guarantees needed for audio/video apps – still an unsolved problem (chapter 6) ...
Congestion Control
Congestion Control

... Routers maintain connection state information! ...
Exam Paper Stationery - University of East Anglia
Exam Paper Stationery - University of East Anglia

... and closed-loop approaches to network architecture design which seek to alleviate this problem. Illustrate your answer with specific detail from ONE type of network protocol stack which is appropriate for addressing the needs of real-time applications. [20 marks] ...
Multiplexing, Circuit Switching and Packet Switching Circuit Switching
Multiplexing, Circuit Switching and Packet Switching Circuit Switching

... • Queues form (and packets are dropped) also at the intermediate nodes (routers) • How can the receiver detected that a packet was dropped on its way? – Look at the packet sequence number! CMPE 80N - Introduction to Networks and the Internet ...
CDP1
CDP1

... To execute actual CDP packets distribution and sniffing (Level 2) we used WinPCap package. The user is requested to install the package before using the application. All the interaction with WinPCap while running the application is hidden from the user. In a case of multiple adapters, configured on ...
Slide - Computer Science
Slide - Computer Science

... DNS is a massive distributed database If local name server does not recognize host name, it is forwarded to a remote name servers until one locates its name. ...
Document
Document

... Advantages of ATM • Popular network backbone solution • Ensures true QoS on a per-connection basis so that real-time traffic such as voice and video and mission-critical data can be transmitted without introducing latency and jitter • A single network for voice, video, and data • An ATM network wil ...
Networks
Networks

... distance of one another ...
Document
Document

...  Number of links that point to the same page.  Not just by the number of times a keyword is repeated.  Careful here: If enough people say a lie to be true, it becomes the truth. - Goebbelsian Lies ...
Overview - Computer Science Division
Overview - Computer Science Division

... – protocols needed for reliable data transfer, congestion control • Q: How to provide circuit-like behavior? – bandwidth guarantees needed for audio/video apps – still an unsolved problem (chapter 6) ...
Sensor Networks
Sensor Networks

... – Do not want your medical sensor hacked!! – Data tampering and computer viruses could be a nightmare ...
konsep dan komunikasi data dalam wan
konsep dan komunikasi data dalam wan

... Wide Area Network, or WAN, is a collection of networks connected through a public service or covering a large geographical area. To enable a WAN requires a routing or switching technology and a set of protocols that create paths from one point to another. There are four kinds of WANs: circuit switch ...
Lecture note 5
Lecture note 5

... • Instead, the routers on the VC from the sender to the receiver each is configured with a VC ID. • All packets belonging to a flow carry the same VC ID and will take the same routing path in networks. • Resource may or may not be reserved for a VC. ...
Course: CEG3185 Professor: Jiying Zhao Semester: Winter 2015
Course: CEG3185 Professor: Jiying Zhao Semester: Winter 2015

... B = data rate, in bits per second (bps), on all links P = fixed packet size, in bits H = overhead (header), bits per packet S = call setup time (circuits switching or virtual circuit) in seconds R = call release time (circuits switching or virtual circuit) in seconds D = propagation delay per hop in ...
Slide 1
Slide 1

... Globally managed virtual IP address space representing virtual network ...
Securing Network
Securing Network

... Entering the Bank Branch doesn’t get you into the vault Security relies on multiple things ...
< 1 ... 411 412 413 414 415 416 417 418 419 ... 474 >

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.
  • studyres.com © 2025
  • DMCA
  • Privacy
  • Terms
  • Report