Internet History
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Transcript of Internet History
![Page 1: Internet History](https://reader036.fdocuments.in/reader036/viewer/2022081413/54873553b4af9f807b8b4825/html5/thumbnails/1.jpg)
Part ICreation of Internet
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Cold War
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ARPA / DARPAJ.C.R LickliderThe Computer as a
Communication Device
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Robert TaylorThree Terminals
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Packet switching
network communications method that groups all transmitted data, irrespective of content, type, or structure into suitably-sized blocks, called packets.
The network over which packets are transmitted is a shared network which routes each packet independently from all others and allocates transmission resources as needed.
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ARPAnetIMPs
Up to 4 local hosts & six remote IMPs NCP
First networkFirst message
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Other packet switched networksCYCLADESNPLSNA
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X.25 standard.First international packet switched network (IPSS).
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Unifying the network methods
TCP versions TCP/IPFirst: ARPAnet, Packet Radio Network in the
SF Bay area NASA (NSN), NSF (CSnet) , DOE (ESnet).NSF backbone
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TCP/IP world wideFirst ARPAnet connection outside US to
Norway then to Great Britain.CERN roleAustraliaAsia ( Japan, Singapore, Thailand).
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Opening Internet to commerceCommercial use of the Internet becomes a
debate topic.First ISPs ( PSInet, UUnet, Netcom) :
service to the regional research networks and email and usenet news to the public.
First dial-up ISP was Verio 1986.Educational use / price trade-offWeb
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Part IIAddressing
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IP AddressLogical address.32 bitsIANA
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Classful Addressing
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Subnetting Classful Network Motivation for subnetting
explosion in size of IP routing tablesIf more address space was neededAny changes to the internal structure of a
company's network
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CIDR
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توتة توتة والحدوتة فرغت
؟ ملتوتة ولال حلوة