408 request time out12/29/2023 On the other side, if you are the server rather than the client you might be more interested in the Request timeout. Read Timeout: how long you want to wait to get a response back for any given request. Open Timeout: how long you want to wait to establish a connection with a server (first handshake). And most HTTP clients allow us to specify: Normally, developers can determine how long “in seconds” they want to wait for a response before deciding to raise this error internally. This error is generated on the client side to terminate a connection, since we can only keep a limited number of open connections at the same time. This mechanism is used to prevent network from flooding by data as each packet can live inside of it for only limited amount of 'time'.Ĭonnection timeout (client side) VS Request timeout (server side)Ĭonnection timeout is a common error that occurs whenever the client is waiting for too long before getting a response from any server (for API calls or browser requesting pages). Each time the router resends the packet, it also decrements its TTL value by 1 and if that value drops to 0, instead of resending the packet, router simply drops it as the packet is not supposed to live any longer. As this packet goes through the network, it arrives at routers that sit on the path between the packet's origin and its destination. Time to live (TTL) - is a value specified inside of a packet that is set when the packet is created (usually to 255) that tells how long the packet can be left alive in a network. If client fails to send any information to server in a specified time, server simply drops this connection as it thinks that client is no longer there to communicate with it (why wasting resources meaninglessly). Once the connection between server and client has been established, client must periodically inform server that it is still there by sending information to that server. Request timeout - as in the previous case where client wasn't willing to wait for response from server for too long, server is not willing to keep unused connection alive for too long either. So if there is still no response from the server after X seconds, your browser will 'give up' on waiting, otherwise it might get stuck waiting for eternity. What happens is that your browser starts to listen for a response message from that server but this response may never arrive for various reasons (e.g. Suppose that you navigate your browser (client) to some website (server). I will try to answer it a little bit more informally.Ĭonnection timeout - is a time period within which a connection between a client and a server must be established.
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