一些概念

Scalability

Scale up (in)

Scale down (out)

HA-High Availability

LB-load balancer

SPOF-Single Point Of Failure

Fault tolerance 

Cluster

Partitioning

--Horizontal partitioning

--Vertical partitioning

Federating

Sharding

以上概念都可以在http://en.wikipedia.org查询到

 

 

 

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