en:network_terms:broadcast
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| en:network_terms:broadcast [2022-04-01-21-41] – ↷ Links adapted because of a move operation 7saturn | en:network_terms:broadcast [2022-04-02-11-03] (current) – 7saturn | ||
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| ====== Broadcast ====== | ====== Broadcast ====== | ||
| - | In general, network communication can happen in two kinds of ways: Communicating with a single computer (sometimes referred as uni cast, as the communication it only with one, unique computer). This is done for example via [[UDP]] or [[TCP]]. However, it is also possible to communication with many computers at once, but not in the fashion to simply have multiple unicasts going simultaneously but by sending broadcasts. Broadcasts are send to all computers, that are reachable and they can decide whether to answer or not. As this kind of communication obviously does not work in a TCP manner, it is only suitable for UDP, where it is not guaranteed to be received or answered. In the IP world, the destination IP is always 255.255.255.255 (or on [[..: | + | In general, network communication can happen in two kinds of ways: Communicating with a single computer (sometimes referred as uni cast, as the communication it only with one, unique computer). This is done for example via [[UDP]] or [[TCP]]. However, it is also possible to communication with many computers at once, but not in the fashion to simply have multiple unicasts going simultaneously but by sending broadcasts. Broadcasts are send to all computers, that are reachable and they can decide whether to answer or not. As this kind of communication obviously does not work in a TCP manner, it is only suitable for UDP, where it is not guaranteed to be received or answered. In the IP world, the destination IP is always 255.255.255.255 (or on [[MAC]] level, FF: |
| In the gaming context, broadcasts are very often used, to determine available game servers on a local network. The client, looking for a server to connect to, sends a broadcast out and waits for answers. There are three possible outcomes of that (provided the network is set up properly): | In the gaming context, broadcasts are very often used, to determine available game servers on a local network. The client, looking for a server to connect to, sends a broadcast out and waits for answers. There are three possible outcomes of that (provided the network is set up properly): | ||
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| Broadcasts via UDP are never routed via the internet. They are (depending on the game) however, via [[VPN]]s. | Broadcasts via UDP are never routed via the internet. They are (depending on the game) however, via [[VPN]]s. | ||
| - | [ [[..:games_database]] ] [ [[..:network_terms]] ] | + | [ [[..:Games Database]] ] [ [[..:Network Terms]] ] |
en/network_terms/broadcast.1648849315.txt.gz · Last modified: 2022-04-01-21-41 by 7saturn