network-protocols

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Is FTP Communication Synchronous?

Whenever FTP Client issues USER command to FTP server, (1) Server immediately replies with TCP Ack (2) After that, It will send FTP 331 response (asking for password)[详细]

2023-02-10 01:56 分类：问答
How to perform a latency test in iPhone

I would like to perform a latency test with respect to different urls in my iPhone app, an approach would be to make an async request for an url and measure the time duration based upo开发者_StackOver[详细]

2023-02-08 17:15 分类：问答
Retrieving the protocol of a socket in winsock

I am working in networking reliability simulation, I need to simulate packet dropping based on a quality of service percentage. Currently I have a DLL that hooks into 开发者_Go百科send, sendto, recv a[详细]

2023-02-08 06:06 分类：问答
Creating a simple ad-hoc/mesh network, what's a good protocol to do it with?

I\'m working on a project creating a fairly simple one-to-many host-to-slave network using a bunch of Android devices.What would be the best way to go about doing this?[详细]

2023-02-08 03:41 分类：问答
socks5 protocol question

When a client sends the packet with the v开发者_高级运维ersion number the number of methods and the methods, based an what does the server repply with a method ? How is the server choosing from the me[详细]

2023-02-08 00:58 分类：问答
packet travelling

This is very basic question. With the help of skbuff structure we can able to play with tcp udp and mac header. Is it possible to read the contents of http header from kernel. Even though we can able[详细]

2023-02-08 00:52 分类：问答
Mesaure upload and download speed in iPhone

I would like to measure the upload and download speed of data in iPhone, is any API available to achieve the same? Is it correct to measure it on the basis of dividing total bytes received with time t[详细]

2023-02-07 23:00 分类：问答
What is the difference between IP_ADD_MEMBERSHIP/IP_DROP_MEMBERSHIP and IP_ADD_SOURCE_MEMBERSHIP/IP_DROP_SOURCE_MEMBERSHIP?

Working on a project that sends multicast data packets, and the receivers can opt in/out of the group as necessary. I noticed there are two ways of joining/leaving the groups: IP_ADD_MEMBERSHIP/IP_DRO[详细]

2023-02-07 05:36 分类：问答
Wireshark physical packet

How does wireshark interpret physical packets? As far as I know, all p开发者_JS百科ackets look to be the same, so how does it decode them to pass to next higher protocol?When it\'s used to capture liv[详细]

2023-02-07 02:16 分类：问答
Whether there is a UDT backend for boost::asio?

Please, tell to me are whether exist UDT protocol backend for boost::asio? UDT is a reliable UDP based application level data transport protocol for distributed data intensive applications over wide[详细]

2023-02-07 01:10 分类：问答