Tom=E1s =D3 h=C9ilidhe ha scritto:
> I want to transfer files as quickly as possible over Ethernet.
> =

> They say FTP is faster than Samba if you're copying a small amount of =

> large files, but Samba is faster than FTP if you're copying a large =

> amount of small files.
> =

> I mostly copy a small amount of large files, e.g. files that are between =

> 500 MB and 2 GB, so I'm thinking of going with FTP. So far though I've =

> been using Samba.
> =

> Should I consider any other methods of copying over Ethernet? FTP and =

> Samba both sit on top of TCP, which I really don't need because I'll be =

> copying across a cross-over cable, and packet loss on a LAN is something =

> like one packet per month, so I'd prefer if I could get some sort of =

> acknowledgement-less system, perhaps a protocol that runs on top of UDP. =

> I'd prefer to use an MD5 checksum to confirm that the copy was error-free.
> =

> The other day, using Samba, it took me 15 minutes to copy 8.19 gigabytes =

> across a 100 Mbps Ethernet connection.
> =

> 8.19 gigabytes =3D 70 412 301 552 bits
> =

> 15 minutes    =3D    70 412 301 552 bits
> =

> 1 minute =3D 4 694 153 436 bits
> =

> 1 second =3D 78 235 890 bits
> =

> Transfer speed =3D 78.2 Mbps

Have you measured the raw read/write speed of your hard drives?

Massimo.

-- =

   ____  ____  ____  _  _
  / ___)| __ \/ ___)/ /| | Dott. Massimo Gaggero
| (___ |    /\___ \\__  | Expert Software Engineer
  \____)|_|\_\(____/   |_| Advanced Computing and Communications - =

Distributed Computing
E-mail: max@crs4.it       Phone: +39 070 9250 329
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