And Streaming

Polling and Streaming

           Polling
Client                    Server
[    ]--Every x seconds-->[    ]
[    ]<-------------------[    ]

           Streaming
           Continuous
[    ]<-------data--------[    ]

• Polling is heavy, and non-responsive, since it only updates every x seconds.

• Streaming inverts this responsibility, because the server pushes data to the client.

• Instantaneous experience → Streaming

• Polling might be better when there are less updates.

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