Scaling horizontally and vertically

In the above example we have a requirement to take 50 passengers from LA to Vegas in a bus of max capacity 25.

RAID 0, RAID 1, RAID 5, RAID 10 Explained

RAID stands for Redundant Array of Inexpensive (Independent) Disks.

These are some of the RAIDs which are mostly used.

RAID 0
RAID 1
RAID 5
RAID 10

What is the difference between public and private IP ?

What is public IP address?

• A public IP address is the address that is assigned to a computing device to allow direct access over the Internet. 
• A web server, email server and any server device directly accessible from the Internet are candidate for a public IP address. 
• A public IP address is globally unique, and can only be assigned to a unique device.