How Big Should TCP buffer be?
How Big Should TCP buffer be?
The default buffer size is 8 KB. The maximum size is 8 MB (8096 KB). The optimal buffer size depends on several network environment factors including types of switches and systems, acknowledgment timing, error rates and network topology, memory size, and data transfer size.
What does the return value of recv () indicate?
Returned value. If successful, recv() returns the length of the message or datagram in bytes. The value 0 indicates the connection is closed.
What is the receive socket buffer size used by the client?
Socket. Receive(buffer[]) . In all the examples from Microsoft (and others) they seem to stick with a buffer size of 8192.
What is a good receive buffer size?
For most WAN deployments, the receive buffer size should be in the 2 MB range.
Why would RECV fail?
If the connection has been reset, a recv will fail with the error WSAECONNRESET. The flags parameter can be used to influence the behavior of the function invocation beyond the options specified for the associated socket. The semantics of this function are determined by the socket options and the flags parameter.
What is a buffer size?
Buffer Size is the amount of time allowed for your computer to process the audio of your sound card or audio interface. This applies when experiencing latency, which is a delay in processing audio in real-time.
How much data can a socket hold?
For a TCP socket, the maximum length that you can specify is 1 GB. For a UDP or RAW socket, the maximum length that you can specify is the smaller of the following values: 65,527 bytes (for a UDP socket) or 32,767 bytes (for a RAW socket).
What is send buffer size?
The Send Buffer size is a practical limit on how much data can be in flight at once. Say you have 10 packets to send (allowed by both congestion control and the peer’s receive window) but only 5 spaces in the send buffer.
What is the throughput of TCP?
How the TCP congestion window impacts throughput
| Round trip latency | TCP throughput |
|---|---|
| 0ms | 93.5 Mbps |
| 30ms | 16.2 Mbps |
| 60ms | 8.07 Mbps |
| 90ms | 5.32 Mbps |
Which logger buffer size is best?
Buffer size: A general rule is that a buffer size of 10 MB per CPU core allows for a trace that’s about 20 seconds long.
What is the best buffer size for logging?
How fast is Socketio?
Load benchmarks Here we can see that the HTTP benchmark peaks at about~950 requests per second while Socket.io serves about ~3900 requests per second.
What is socket buffer?
Socket buffers are the short queues of packets the kernel holds on behalf of your app, as it’s shuffling data between the NIC and your app’s memory space.
What is buffer size in UDP?
The default send buffer size for UDP sockets is 65535 bytes. The default receive buffer size for UDP sockets is 2147483647 bytes.