• 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
Document
Document

...  Information is exchanged between two hosts in the form of IP packets (IP datagrams).  Each datagram is treated as a discrete unit - there are no "connections" between machines at the network layer.  Connection services are provided by the higher-level protocols at the transport layer. ...
Document
Document

... • Lead to the concept of a Protocol Stack • Network communication is possible only if the Protocol Stacks on two machines are the same ...
Chapter1-part1 - UCF Computer Science
Chapter1-part1 - UCF Computer Science

... What’s a protocol? human protocols:  “what’s the time?”  “I have a question”  introductions ...
ppt
ppt

... Security Associations • a one-way relationship between sender & receiver that affords security for traffic flow • defined by 3 parameters: – Security Parameters Index (SPI) – IP Destination Address – Security Protocol Identifier ...
- NORDUnet
- NORDUnet

... Networks ...
Lecture 8 - cda college
Lecture 8 - cda college

... User Datagram Protocol (UDP)  UDP is a connectionless protocol, described in RFC 768.  It providing for low overhead data delivery.  The pieces of communication in UDP are called datagrams.  each UDP segment only has 8 bytes of overhead.  These datagrams are sent as "best effort".  Application ...
New Methods of Telephony Service
New Methods of Telephony Service

... The H.323 standard [7] provides a foundation for audio, video, and data communications across IP based networks, including the Internet. By complying with H.323, multimedia products and applications from multiple vendors can inter-operate, allowing users to communicate without concern for compatibil ...
Abstract - Chennai Sunday
Abstract - Chennai Sunday

... for fast re-route in the event of an arc failure, which is the target application, c_(i, j) represents the shortest path cost before the IGP has reconverged in response to the link failure. Multipath Routing: Multipath routing is a promising routing scheme to accommodate these requirements by using ...
Transport Layer Week 3
Transport Layer Week 3

...  Error 'Free' Data. The underlying network may well be noisy, and the data received may not always be the same as the data sent. The Transport layer can fix this: typically by providing a checksum of the data which detects if there has been a glitch of some kind. Of course, error free is impossible ...
ECE 526
ECE 526

... • 16-bit frame type: indicating the next layer protocol ─ 0800 (IP), 0806 (ARP) ...
TCP_IP_Continued
TCP_IP_Continued

... TCP Port Number Conventions • TCP Port Numbers are in the range 0 – 65535 • Ports 0 – 1023 are reserved for system services (email, web, etc.) • Ports 1024 – 49151 are registered to particular applications • Ports 49152 – 65535 can be used for custom or temporary purposes • Email servers typically ...
Reference model
Reference model

... – Then, how they can differentiate all messages? ...
wireless mesh networks
wireless mesh networks

...  Large percentage of areas in between houses is not covered by wireless services  Gateways may not be shared and wireless services must be set up individually, network service costs may increase  Each home has single path to access Internet ...
Networking and the Internet - Department of Mathematics and
Networking and the Internet - Department of Mathematics and

... – A checksum is a simple check to see if the data was received properly – E.g. if sending the numbers 10, 20, and 30 then the checksum might be the sum of all numbers (60), so 10,20,30 and 60 are sent. The receiver verifies that all numbers received add up to 60. ...
Blue Asterisk template - Connected Security Expo
Blue Asterisk template - Connected Security Expo

... disciplines. • It is important to identify the current security policies and procedures to incorporate them and/or improve upon them moving forward for security assets. ...
Document
Document

... Information is exchanged between two hosts in the form of IP packets (IP datagrams). Each datagram is treated as a discrete unit - there are no "connections" between machines at the network layer. Connection services are provided by the higher-level protocols at the transport layer. ...
Web Security
Web Security

... (remote to the device) ...
Network Fundamentals
Network Fundamentals

... mostly to provide some assurance that a transferred file has arrived intact and uncorrupted How to use md5 http://www.openoffice.org/dev_docs/using_md5sums.html ...
YN013853859
YN013853859

... the PHY headers, the payload transmission may be less than one third of the total time used to transmit a packet. The consequence is that voice communications over WLAN has a large overhead. ...
Packet Transport Network in BSNL 11-04-13
Packet Transport Network in BSNL 11-04-13

...  It provides several protection schemes at the data plane similar to those available in traditional optical transport networks.  Allows network provisioning via centralized NMS  Transport & distribution of synchronization clock is possible.  GMPLS control plane is also applicable to the MPLS-TP ...
Linux Multilayer Switchin with LiSA
Linux Multilayer Switchin with LiSA

... CLI. It's mostly meant for testing purposes or shared (i.e. not dedicated) hosts. Once authentication is completed, all binaries must provide the same functionality. Therefore, all CLI functionality is actually implemented in a common library (object) rather than the binaries themselves. Because sev ...
packet-switched - University Of Worcester
packet-switched - University Of Worcester

... network is secure EITHER Use the firewall computer as a router to separate the internal (local) network from the External (i.e. Internet) network  diverts data between the Internet and the local network  will only work if the network will need to be running an appropriate protocol ...
Towards the future: What next for Telecom Businesses?
Towards the future: What next for Telecom Businesses?

...  250 billion minutes of int’l voice/fax traffic  2.5 trillion minutes of total voice/fax traffic  1’000’000 Gigabits (1 Petabit) per second of Internet traffic  Services market of around US$1.1 trillion  Equipment market of around US$400 billion ...
DecentralizedP2P - Department of Computer Science
DecentralizedP2P - Department of Computer Science

... ONs with a search depth of 7 (similar to ...
1_hProtocolsOSI
1_hProtocolsOSI

... • establishing a connection between end-to-end systems that defines the parameters of the connection • and ensuring that data actually gets to its destination in the correct order and error free • Examples of protocols found at this layer include TCP and UDP. ...
< 1 ... 363 364 365 366 367 368 369 370 371 ... 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