Master IP Subnetting (and cloud considerations)

Per user requests I have created a deep dive around IP subnetting and what are the cloud specific considerations! Whiteboard at https://github.com/johnthebrit/RandomStuff/blob/master/Whiteboards/IPSubnetDeepDive.svg 00:00 Introduction 01:38 Delivering letters in England 06:30 IPv4 addresses and subnet mask 10:22 IPv4 delivery 16:25 SDN delivery differences 19:00 Binary overview 23:40 Binary masking 28:25 Usable IP addresses 31:40 CIDR and smaller subnets 34:53 Smaller subnet use 37:37 Why use subnets in Azure/cloud 39:50 How many bits are needed for addresses 41:50 Using subnet calculator 45:12 Detail around a /26 network 50:41 /26 usable IP detail 51:55 Example vnets in Azure 55:26 Summary and close