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w6_3_Network%201_chp7

w6_3_Network%201_chp7 - Network 1 IElick to edit Master...

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Click to edit Master subtitle style IE 332: Computing in IE 2/19/2010 Ji Soo Yi [email protected] Network 1
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Review Students Classes 1 2 3 4 Which cardinality notations should be used? How many tables are needed? How many primary keys and foreign keys are needed?
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Announcements HW3 Due: 12pm noon, 2/25/2010 Participation #1 Covers between the start of the semester and Exam #1 Very subjective assessment A: Active participation B: I remember the participation
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A Simple Computer Network
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How does network works? http://www.warriorsofthe.net/ http://video.google.com/videoplay?doci
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Corporate Network Infrastructure
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Hub vs. Switch vs. Router hu b swit ch rout er residential gateway
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Packet Switching vs. Dedicated Circuit Dedicated Circuit (e.g., telephone) Establish a connection communication More expensive / Waste resources Maintain the line regardless of whether any data were being sent Packet Switching (e.g., Internet) Break down data $ transimt packets E reassemble packets
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Packet Switching
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BitTorrent http://mg8.org/processing/bt.html
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