![]() ![]() Routing decisions are typically done automatically based on optimising the number of network hops, however this can also be affected by the commercial agreements your ISP has with the other carriers. Each hop in the route is where the traffic leaves one network address space to get to another and the change in network is managed by a router. When you connect to a location on the internet your Internet Service Provider (ISP) sends your traffic across their network and at some point they have to connect to one or more other carriers networks to reach the destination, this is known as the route. Packet loss is expressed as a percentage, so when 100% of packets are being dropped then your connection to the endpoint will cease if it continues for a few seconds. This is the prime cause of packet loss or lag. The first packets to be dropped are those with the lowest priority. Packet loss - Network components will drop network packets when they are overloaded, meaning they will not sent the packets to the next hop in the route. Latency will increase if there are problems in the transmission medium or errors in the switching and routing. The minimum theoretical latency for a connection across the internet is based on the distance and the speed of light. ![]() Latency - the time it takes for a network packet to reach the destination address and return to the sender. The most likely issue is lag, the technical name is packet loss. You are playing World of Tanks and you notice your network indicator in game is flashing red, or you disconnect in the middle of a battle, why is this? ![]()
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