meta données pour cette page
Différences
Ci-dessous, les différences entre deux révisions de la page.
Les deux révisions précédentesRévision précédenteProchaine révision | Révision précédente | ||
communication_par_wifi_entre_capteurs_et_programmes [2021/10/15 10:51] – Alexandre Castonguay | communication_par_wifi_entre_capteurs_et_programmes [2021/10/16 01:37] (Version actuelle) – Alexandre Castonguay | ||
---|---|---|---|
Ligne 1: | Ligne 1: | ||
== Définitions == | == Définitions == | ||
- | **Wi-Fi** : | + | **Wi-Fi** : " |
**Internet Protocol** : The network layer communications protocol in the Internet protocol suite for relaying datagrams across network boundaries. Its routing function enables internetworking, | **Internet Protocol** : The network layer communications protocol in the Internet protocol suite for relaying datagrams across network boundaries. Its routing function enables internetworking, | ||
Ligne 36: | Ligne 36: | ||
An endpoint is a combination of an **IP address** and a **port** number. Every TCP connection can be uniquely identified by its two endpoints. That way you can have multiple connections between your host and the server. | An endpoint is a combination of an **IP address** and a **port** number. Every TCP connection can be uniquely identified by its two endpoints. That way you can have multiple connections between your host and the server. | ||
+ | |||
+ | **Stream Sockets** − Delivery in a networked environment is guaranteed. If you send through the stream socket three items "A, B, C", they will arrive in the same order − "A, B, C". These sockets use TCP (Transmission Control Protocol) for data transmission. If delivery is impossible, the sender receives an error indicator. Data records do not have any boundaries. | ||
+ | |||
+ | **Datagram Sockets** − Delivery in a networked environment is not guaranteed. They' | ||
+ | |||
+ | **Websockets** : Websocket has it’s own protocol ws:// and wss:// web socket protocol and web socket secure protocol. Since it is given as a proxy over HTTP it also uses port 80 and 443 as used by HTTP. | ||
+ | This web socket proxy is applied over the HTTP during the initial handshake between the client and the server. | ||
Sources : http:// | Sources : http:// | ||