- End-to-end working of the Internet. - Today: Lay the foundation for rest of the course. - End-to-end principle. - First time I learnt these, I said — what the. - Maps name of the web site to its address using DNS. - Recap: the end-to-end story. - End-to-End Principle. - Fate-Sharing. - Breakdown end-to-end functionality into tasks. - Transport (L4): (Reliable) end-to-end delivery. - An end-to-end view of the layers. - If a funcdon can completely and correctly be implemented only with the knowledge and help of the applicadon standing at the endpoints of the communicadon system,. - then providing that funcdon as a feature of the communicadon system itself is not possible.. - Somedmes providing an incomplete version of that funcdon as a feature of the communicadon system itself may be useful as a performance. - End-to-end Principle. - End-to-end Principle: an example. - Does that ensure end-to-end (application-to-application) reliability?. - End-to-end Principle: lets read again. - End-to-end implementation. - End-to-end Principle (Interpretation). - End-to-end Principle (Three things to know). - Fate-sharing. - Note that the end-to-end principle relied on “fate-sharing”. - Only way failure can cause loss of the critical state is if the entity that cares about it also fails. - Dictated by End-to-End Principle. - Some of the missing issues
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