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C3 : Networking (What is URL? (Components (Resources Name (Format (Host…

- - - - HTTP
    - - The complete address to the resource
      - Format
        
        Host Name
        
        File name
        
        References (optional)
        
        Port Number (optional)
- - - - Socket socket = new Socket("localhost",8080)
      - getInputStream()
        
        to take permission to read data from client by server and vice versa
      - getInputStream()
        
        to take permission to data from client to server and vice versa
      - close()
        
        user to close socket class object or client request
  - - - accepts()
        
        to accept client request
      - close()
        
        to close and stop request
  - - - Position of server in computer
    - - User defined name
      - Default - localhost
- - - - Connection based protocol that provide a reliable flow of data between 2 computer
      - Application that requires reliable comms. channel
        
        HTTP, Telnet, FTP
    - - Send independent packet of data called datagram
      - UDP is not connection based like TCP
    - - TCP
        
        Connection oriented
        
        Slower because TCP has ACK
        
        More reliable as ACK packet will be replies as a arrival confirmation
        
        Connection are usually allowed in Firewall
      - UDP
        
        Simpler, connection-less internet protocol
        
        Faster than TCP because it has no ACK
        
        Connection may be block in Firewall