3
votes
1answer
184 views

How does a file get sent over an HTTP connection? [closed]

A teacher of mine says when you are browsing a web server such as apache2 that has file/directory listing enabled then it secretly opens an ftp server to transfer the file. This confuses me, though ...
4
votes
2answers
5k views

Speed up rsync by running multiple instances at once?

I have to transfer a big directory to another server. My problem is that i cannot use the full bandwidth that would be available, because one concurrent tcp stream does not get as fast. Basically ...
1
vote
2answers
2k views

When the TCP engine decides to send an ACK?

In my LAN, I have a router that runs a Samba server and my PC connects to the router. I wiresharked during a uploading to the server and a downloading from the server. The wireshar results show ...
4
votes
6answers
643 views

Effect of distance from server on page load speed

I measured the load speed of a static image file severed by nginx from my server (using pingdom service). The server should normally process this request within few seconds. My server is located in ...
2
votes
2answers
222 views

how to optimize transatlantic TCP transfers?

I transfer large files between two of my servers one in the US and the other in the Netherlands and I'm wondering if there are any tweaks I can apply that will increase the speed of a transatlantic ...
21
votes
5answers
27k views

What is the best way to transfer a single large file over a high-speed, high-latency WAN link?

This looks related to this one, but it's somewhat different. There is this WAN link between two company sites, and we need to transfer a single very large file (Oracle dump, ~160 GB). We've got full ...