Nataraj wrote:
> Stephen Harris wrote:
>> Even another ISP may not help so much. I have Verizon FIOS and am based on
>> the East Coast. There's a 92ms delay to reach my linode, in Fremont.
>> Any message the X client sends to the server and then waits for a reply would
>> have approx 200ms round trip time. I doesn't take long before these message
>> delays add up to a real long delay.
>>
>> Even my local East Coast Panix v-colo has a 15ms delay; that's a lot smaller
>> but it still adds to the time it takes to open an application; especially
>> one as complicated as firefox which may make thousands of requests.
>>
>> Hence FreeNX which, effectively, runs an X server on your remote machine
>> and sends screen data back to your local machine. In this case the
>> round trip times are massively reduced to effectively "local machine"
>> speeds.
>>
>>
> Are there any advantages to running FreeNX over vncserver? Does it
> perform better?
Yes, in some cases it it much better. Vnc just sends bitmaps but FreeNX uses X
protocol with proxy/caching to improve it. Plus it runs over ssh by default and
automatically sets up sessions per connection.
--
Les Mikesell
lesmikesell at gmail.com