Four seven load balancing differences, advantages and disadvantages and application scenarios

Four: load balancing based on IP + port

Seven: to you based on the application layer (url) load balancing information


Four advantages and disadvantages:

        Four Faster: processing in kernel space, do not take the user space. Less need to parse

Seven advantages and disadvantages:

        Seven more features: The kernel space, user control into the application process forwards. You can achieve more sophisticated control of the load balancing, such as separation based url, session, movement. Cpu takes a lot of time, concurrent bearers less than four


Four sites for large, most distal access layer, used in conjunction with four seven +

Seven for small and medium sites, only seven load balancing


(Four on the front, the back may continue with more complex operations with seven. Generally used in combination)

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