[aprssig] Tier 2 server question

Phillip B. Pacier ad6nh at arrl.net
Tue Apr 10 13:21:28 CDT 2007

Jim wrote:
> This is a question for those with detailed knowledge of the Tier 2 
> APERS servers.
> How fast does the information get passed between the servers.
> If I gate a position on to one server, are few talking a couple of 
> seconds, 10's of seconds or into a minute or two for the information 
> to be seen on others?
It's a function of the internet path between the servers.  This can 
generally be measured in milliseconds to perhaps a second or two, 
depending on the number of hops between the servers in question.  There 
is virtually no measurable processing time within the server itself to 
turn a packet around.

Phil Pacier - AD6NH
Tier 2 Coordinator

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