Notes For Mobile Cloud

Week1

  1. Introduction to the mobile cloud

  2. What are communication Protocols how to commucate: syntax (format of messages) semantics (meaning of message) timing (how long wait/process next)

  3. Intro to HTTP

  4. Why HTTP

  5. What is a Cloud Service

  6. HTTP Request Methods

  7. HTTP Request Anatomy

  8. URLs & Query Parameters

URL format: http://host:por/pat&parameter1=2 URL Encoding: If you pass special charaters in the url, it will automaticlly encoding.

  1. Mime Types & Content Type Headers

Both client and server can send Body Images have different format, like jpg, png pure text or html format how to interpret these formats MIME Types: (Describing the http body) image/jpg image/png text/plain text/html either in a request or response, client and server will decide how to interpret these data meta information Content-type(header) describe the mime type

  1. Request Body Encoding

How to send data to server mime type in body: url encoded form data (simple key value) multipart (uploading data) applicaiton/json

  1. HTTP Response Anatomy

Satus line 1. response code (what happened on server) 2. headers: content-type(MIME) 3. body: actual data

  1. HTTP Response Codes

    100-500 1XX: info 2XX: success 200: OK 3XX: redirection 4XX: client error 404: not found 5XX: server error 500: server error

  2. Cookies logged in same client small piece file server send to client to save client add these to request header