tcp tag

19 questions

1 answers
329 views
0

Mysterious 1 second wait for requests that exceed backlog

When I was experimenting with writing a C++ client/server code on a local host that repeatedly connects and disconnects TCP, I encountered a mysterious one-second pause in processing requests that exc...

c++ network tcp

1 years ago

1 answers
420 views
0

Where is the TCP retransmission timeout value and retry count set for Android OS?

Where is the TCP retransmission timeout value and number of retries set in Andriod OS?Also, if it exists in the configuration file, is it possible to rewrite it?The location of TCP related settings in...

android tcp

1 years ago

2 answers
126 views
0

infer the format of the data from the binary

The link below is a binary dump of the communication content of an investment application.What should I do if I want to parse meaningful data (such as the Nikkei average)?This application shows real-t...

tcp binary

1 years ago

1 answers
84 views
0

Android terminal サーバ FIN to server is delayed when TCP connection is lost

When TCP is disconnected by using the Android device application, if it is normal, after the FIN is thrown to the server 端末 terminal, the FIN is immediately returned to the terminal サーバ server.However...

android tcp

1 years ago

1 answers
104 views
0

Regarding the case where EAGAIN occurs during read(recv) execution in Socket Communication (TCP/Blocking I/O)

In Socket Communication (TCP/Blocking I/O), when reading is performed with code similar to the following,

linux c centos socket tcp

1 years ago

1 answers
57 views
0

Go somehow blocks execution and does not exit the program

Go writes a TCP server that sends four values of investment (start, high, low, closing, and time) to the client.The first 8 bytes of data to send are the number of bytes in a four-valued structure rep...

go tcp

1 years ago

1 answers
110 views
0

What factors affect the maximum number of TCP connections established between the client and Nginx?

I think these factors affect the maximum number of TCP connections that could be established simultaneously.Network Bandwidth and NIC SpeedSYN queue and accept queue lengthMaximum number of open fd (R...

nginx network tcp

1 years ago

3 answers
81 views
0

When do I wait for a response confirmation when I have enough window size (transmit/receive buffer)?

When sending approximately 24 KB of TCP data, Despite the partner's window size of up to 49640 Byte (checked by Wireshark)8KB transmission → 8KB transmission → 3KB response confirmation → +4KB respon...

tcp

1 years ago

2 answers
118 views
0

MAC Address and IP Address Differences

I just started studying the network.I learned that there are two addresses: MAC address and IP address.If each product has a different MAC address, what is the IP address for?

network tcp

1 years ago

1 answers
112 views
0

When I handle Ethershield in Arduino, I can't recover from the communication problem?

It's not an Arduino-specific issue, it's because I don't know much about TCP/IP, so the solution is at a standstill.I use boards such as W5100 and enc28j60, which are compatible with Ethershield, but ...

tcp arduino

1 years ago

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