[Dxspider-support] Ping average RTT values

[Mike McCarthy, W1NR]

Dirk Koopman wrote:
> Mike McCarthy, W1NR wrote:
>   
>> Dirk,
>>     I have noticed that when a node disconnects for a while and then 
>> reconnects, the average round trip time in "who" and "links" shows 
>> excessive values when the node returns.  I think the RTT calculation 
>> should be reset when a new connection is established.  It may be that it 
>> continues to ping the node well after it is disconnected.
>>
>>     
>
> The reason for this is that, until the first ping comes in, it is set to 
> a default value of 999. However, if you are connecting to AR-C, for some 
> reason they have somekind of ping "deduplication" or rate limiting thing 
>   it, they (deliberately) "miss" pings. This seems to mess the algorithm 
> up so that the first ping period (of 999) gets taken into account.
>
> I shall be revisiting all of that soon anyway (and some of the necessity 
> for pinging has gone away anyway) in 1.53.
>
> Dirk G1TLH
>
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>   
Thanks Dirk,
   The connected nodes are DXSpider nodes and I saw a node with RTT in 
the 17000+ range this morning.  It is down to 1600 now.

Mike, W1NR