Chapter 6. Failover and Load-Balancing

Since the emergence of the Internet boom, including the era of the dotcom, the common buzzwords have been “availability” and “uptime” of computer systems. Businesses today have applications that are accessed via the Internet from around the world from countries located in varying time zones. When it’s 10:30 a.m. in Bangalore, India, or 3:30 p.m. in Melbourne, Australia, it’s 9:30 p.m. in North Carolina, United States. If a business establishment, such as an Internet bookstore located in Charlotte, North Carolina, wants to trade a book to a customer in either Bangalore or Melbourne, the bookstore should be up and functional. Keeping the Internet book site up and functional at that time indicates an uptime ...

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