What are you talking about? TCP/IP hasn't changed in the last 20 years... like, at all.
There might be best practices which have changed around NAT, software defined networking and load balancing, but it's all on top of existing protocols.
If you are talking about subnetting practices, it has always been an operational thing... that's not what these books are talking about.
There might be best practices which have changed around NAT, software defined networking and load balancing, but it's all on top of existing protocols.
If you are talking about subnetting practices, it has always been an operational thing... that's not what these books are talking about.