Vault sync: 2021-11-06 15:52:11

2021-11-06 15:52:11 +01:00
parent b6ac18b107
commit 955b8dc79e
4 changed files with 17 additions and 12 deletions
--- a/School/Analyse/IPV4.md
+++ b/School/Analyse/IPV4.md
@@ -5,5 +5,10 @@

 IP defines datagram structure that encapsulate the data to be delivered.

-An IP datagram 
+An IP datagram (packet) consists of a header part an a text part. (payload)

+The header has a 20 byte fixed part an a variable length optional part.
+
+![[IP-packet.png]]
+
+Some of the fields in a packet are not always used.
--- a/School/Analyse/Packet.md
+++ b/School/Analyse/Packet.md