From afe956eca9cc15b5480b2724edfdb08619412b6d Mon Sep 17 00:00:00 2001 From: Nick Leeman Date: Sat, 6 Nov 2021 15:17:11 +0100 Subject: [PATCH] Vault sync: 2021-11-06 15:17:11 --- School/Analyse/Layers/3. Network Layer.md | 13 ++++++++++++- 1 file changed, 12 insertions(+), 1 deletion(-) diff --git a/School/Analyse/Layers/3. Network Layer.md b/School/Analyse/Layers/3. Network Layer.md index 13d99ca..78a29aa 100644 --- a/School/Analyse/Layers/3. Network Layer.md +++ b/School/Analyse/Layers/3. Network Layer.md @@ -113,5 +113,16 @@ Example 144.24.13.172/**20 (20 bits used for network ID)** Also the following addresses are not used as a valid and unique IPv4 Addresses: 10.0.0.0 - 10.255.255.255/8 (16.777.216 hosts) -172. +172.16.0.0 - 172.31.255.255/12 (1.048.576 hosts) +192.168.0.0 - 192.168.255.255/16 (65.536 hosts) + +We use these IP addresses as local addresses. The local addresses are translated into a global IP when sending messages to a host in a other network. This translation process is called NAT. + +### Scarce IP address problem +With 32 bits, the maximum possible IPv4 addressed is 2^32 = 4 billion +**We need more addresses.** + +## IPV6 +Solution +