Vault sync: 2022-01-26 13:24:31

School/Analyse/Periode 1/Network Software.md

@@ -0,0 +1,21 @@
+# Network Software
+
+Network software is a set of rules defining how a [[Packet]] should be handled on a network (creation, delivery, etc...).
+
+**These rules are defined as protocols**
+
+The standard model that everyone uses is the [[OSI Model]]
+
+![[packet-encapsulation.png]]
+
+## Network Protocols
+Network protocols defines the rules needed for multiple computers to communicate correctly with each other. You can compare it to our rules in natural languages.
+
+- Protocols are divided into multiple layers (abstraction)
+- Each layer has their own responsibilities.
+- When a layer is replaced, other layers do not get affected. (Layers work independently)
+
+### Examples
+- A user does not need to understand how WiFi works exactly, or how signal errors are handled. (Abstraction)
+- We can replace the Ethernet cable of a computer with a WiFi module and the internet connection should work exactly the same. (Layers work independently)
+