a bad connection (you may try to change the ISP or get ISDN phones, but these measures are expensive). There is nothing you can do against the rest, e. Thus, most of the lag is introduced by the signal delay and the routers, especially when the net traffic is high.
Modern modems (28.8+ Kbps) have the required throughput. Only a minor part of the lag is caused by your CPU (unless it is overloaded, in which case you will also have slow single player games and you should upgrade). The crucial limiting factor is the signal delay. Even for the latest 3D shooters, you will never need a throughput higher than 56 Kbps. Of course a 14.4 modem will not yield the necessary performance for most games, 28.8 Kbps is enough, though. by buying a better computer, in case the CPU cannot handle the load, or a faster modem). Unfortunately, only the throughput can be influenced by the user (i. These factors set the technical limits of course they also apply for the server and the person who receives the data. Europe - USA = 10,000 km over a transatlantic connection, but more than 80,000 km over a satellite). satellites (they increase the distance compared to a direct connection, e.CPU I/O capacity (both yours and the server's).If you play over the internet, the data packets have to travel many miles and through numerous bottlenecks, such as: However, in computer games, where packets are needed in real time (ideally), this introduces extra delays, so a connection with a reasonable quality is needed (packet losses greater than 5 % are inacceptable). This is usually not such a problem, because they are detected and false or lost packets are resent. It indicates the frequency of errors that happen when transferring a packet. Each router introduces a small delay, since packets are queued there, making the signal delay far greater than the distance might indicate. On the Internet, this delay is not only determined by the distance, but also by the number of routers that lie between the source and the destination (often more than 20). The signals traval fast (nearly at light speed), yet there is a measurable delay until it arrives, even on Local Area Networks (LANs). It means the raw amount of data that can be sent to the destination, regardless of the time that it needs to arrive and any errors that occur underway. This is often called "bandwidth", even though this term is incorrect. First, we have to distinguish between throughput and signal delay. What is lag? In a network, there is always a certain time that a signal needs to reach its destination.
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