week 2 - Week2 22:01 Typesofdelay NodelProcessing...

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Week 2 22:01 Types of delay Nodel Processing Transmission  o One location to transmit a packet to other location Queueing Propagation Multiple Hops Packet Loss Buffer (waiting area) Packet being Transmitted If full o Packet is thrown away o No one is informed o Certain percent lost Packet arriving to full buffer is lost Throughput Server with file of F bits to send to client 
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o Link that can carry fluid at rate Rs bits/sec Link that can carry fluid at rate Rc bits/sec Throughput [definition] o Bits per second, calculated over a time window of many seconds o What is the throughput on a single connection? Min(Rs, R/3, Rc) Internet Layering Hierarchy Pyramid: Top User: Bottom Wire o 7. Content web page, videos, blogs, radio o 5,6,7. Applications email, file transfer, streaming, video conference o 4. Transport TCP congestion control [traffic control] o 3. Network IP Address, Routing o 2. Physical Layer, LAN-Link Layer Ethernet, DSL, cable modems, Wi-Fi, local loop Peering
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FCC [Gateway]   Verizon G   Level 3 G   Cenic G   UCI o FCC webpage   FCC Application   TCP  IP   Lan-Link  Verizon Router   Lan Link   IP Level 3 LanLink   IP    UCI Destination LAN Link   IP   TCP   Application
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