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07Sp_SECB408_01&51_P2 - WhatistheInternet...

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    Understanding Networks What is the Internet Layered Protocols UDP Protocol TCP/IP Protocol DNS Network Embedded Systems Network Topologies Network Traffic
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    What is the Internet
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    What is the Internet
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    What is the Internet
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      Internet Structure – network of networks
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    Tier 1 ISP
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      Internet Structure – network of networks
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      Internet Structure – network of networks
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      Internet Structure – network of networks
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    (Layered Protocols )OSI
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    (Layered Protocols )OSI
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    (Layered Protocols )IP
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    (Layered Protocols )IP
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    ?Why Layering
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    Universal Datagram Protocol  (UDP) Simple Transport Protocol. It is just an IP with  small modifications. Connectionless Not reliable No order guarantee of messages No flow control mechanisms Congested nodes may drop packets! Suited to DoS attacks!!!
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    Universal Datagram Protocol  (UDP) IP vs UDP
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    Universal Datagram Protocol  (UDP)
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    Universal Datagram Protocol  (UDP) IANA Ranges
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    Universal Datagram Protocol  (UDP) UDP Format
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    Universal Datagram Protocol  (UDP)
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