Half Life uses TCP to authenticate via WON servers, once this is done it only uses UDP packets which are stateless. Due to their stateless nature the UDP packets are never considered lost i.e nobody is going to go looking for them to retransmit. However they do have a Time To Live value. once this is expired the packet is considered out of date but wont be re-requested
If you really want to know more about the packets I suggest you download a copy of ethreal and take a look at what happens when you connect to a half life server.
I hope that helps.
Simon
James Sykes wrote:
Hi,
I am trying to findout at what point a packet is considered lost.
A) - deviation from average response time ( how much ) B) - hard limit - eg above 500ms
Any input is appreciated.
Regards,
James
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