Connection Keep Alive的意思|示意

But you can keep a HTTP keep-alive connection open which should reduce latency significantly.

但你可以保持一个HTTP keep - alive连接打开应显着减少延迟。

For example, a Web browser will only keep an HTTP connection with a server alive for a certain, pre-defined time.

例如，一个Web浏览器仅将一个服务器活动的HTTP连接保持预定义的特定时间。

Since clients do not wish to be forcefully disconnected, they will automatically send a keep-alive message if the connection is inactive for the number of seconds specified by this parameter.

由于客户机不希望强制断开连接，因此，当连接闲置的时间为此参数指定的秒数时，客户机将自动发送 keep-alive 消息。

Keep connection alive: to keep the socket connection opened for subsequent requests to avoid reconnection time.

保持连接活着：继续后续的请求，以避免重新连接的套接字连接打开的时间。

Tomcat uses NIO (Non-blocking IO) to keep the connection alive without wasting the waiting threads.

Tomcat 使用 NIO（无阻塞 IO）来保持连接活动，无需浪费等待中的线程。

The "connection: Keep-Alive" tells the server to not close the connection, but the server has the option to keep it opened or close it, but it should reply to the client socket regarding its decision.

“连接：维生”告诉服务器不关闭连接，但服务器可以选择打开或关闭它，但它应该回复客户端套接字的关于其决定。