WDD_lec_32 - Session Tracking 2 Lec 32 Last Lecture Review...

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    Session Tracking - 2 Lec 32
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    Last Lecture Review Session Tracking – why? Need to store state – typical solutions Cookies – already learned URL Rewriting Hidden Form Fields
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    Session Tracking Amazon Servlet Container Session ID = 123XYZ Shopping Cart sc [item 1=324] Request Credit: cs193i at Standford
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    Session Tracking Amazon Servlet Container Session ID = 123XYZ Shopping Cart sc [item 1=324] Response: Set-Cookie: sid=123XYZ Credit: cs193i at Standford
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    Session Tracking Amazon Servlet Container Session ID = 123XYZ Shopping Cart sc [item 1=324] Request: Set-Cookie: sid=123XYZ Credit: cs193i at Standford
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    Session Tracking Amazon Servlet Container Session ID = 123XYZ Shopping Cart sc [item 1=324 item 2=115 ] Request: Set-Cookie: sid=123XYZ Credit: cs193i at Standford
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    URL Rewriting
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    URL Rewriting We can pass  extra information   to client by rewriting URLs. (appending  info with URL) The extra information can be in the form of Extra path information, Added parameters, or Some custom, server-specific URL change
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WDD_lec_32 - Session Tracking 2 Lec 32 Last Lecture Review...

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