The MMS system contains MMSC, MMDB, Operating Center, Testing Tools and the NetWork.

多媒体短消息系统由MMSC、MMDB、业务受理中心、测试工具以及通信网络等组成。

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Together these products comprise what I think can be fairly described as a data center operating system.

FORBES: VMWare Sees Big Business In Becoming The Internet Operating System

Elsewhere, Arista Networks, which is rich in Cisco talent, has just announced a new data center operating system that will challenge the incumbents with its speed and simplicity.

FORBES: Cisco Shakeup: Speed And Time For Margins

Excelling at compute and virtual desktop infrastructure (VDI), these solutions redefine data center graphics capability while consuming 95 percent less power at idle and dramatically cutting data center operating costs(4).

ENGADGET: AMD reports $1.27 billion in revenue for Q3 2012