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Note for Web Technologies - WT By Sujoy ICT

  • Web Technologies - WT
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The Internet • Technical origin: ARPANET (late 1960’s) – One of earliest attempts to network heterogeneous, geographically dispersed computers – Email first available on ARPANET in 1972 (and quickly very popular!) • ARPANET access was limited to select DoD-funded organizations Jackson, Web Technologies: A Computer Science Perspective, © 2007 Prentice-Hall, Inc. All rights reserved. 0-13-185603-0

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The Internet • Open-access networks – Regional university networks (e.g., SURAnet) – CSNET for CS departments not on ARPANET • NSFNET (1985-1995) – Primary purpose: connect supercomputer centers – Secondary purpose: provide backbone to connect regional networks Jackson, Web Technologies: A Computer Science Perspective, © 2007 Prentice-Hall, Inc. All rights reserved. 0-13-185603-0

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The Internet Jackson, Web Technologies: A Computer Science Perspective, © 2007 Prentice-Hall, Inc. All rights reserved. 0-13-185603-0

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The Internet • Internet: the network of networks connected via the public backbone and communicating using TCP/IP communication protocol – Backbone initially supplied by NSFNET, privately funded (ISP fees) beginning in 1995 Jackson, Web Technologies: A Computer Science Perspective, © 2007 Prentice-Hall, Inc. All rights reserved. 0-13-185603-0

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