LVS:
Concept: is short for Linux Virtual Server, which means Linux virtual server is a virtual server cluster
Role: Example
Like there are three cells, but time and rest time work is not the same, it is the first day of work, a work night, one that is more casual time,
If there is no load balancing lvs, then these three cells, that are only able to use their servers, only with 1M bandwidth, one server, this is the case, there are three cells will always be a period of time no one use, while the other cells in a table and can only limit
(Shown: large circle represents the collective cells, small circle represents the server, 1M bandwidth on behalf of a trillion)
After the use of the form shown lvs
Circle: Crowd
Among a small circle: load balancing server
The right small circle: server realserver
This will equalizing the number of servers that can be used at different times of the
