VPLS is a point-to-point virtual link technology

In order to avoid broadcast storm, VPLS adopts split horizon feature

VPLS can work with QinQ technology

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Network technology to break the retail market space time

The sales mode is changed, the rise of new forms of business

Operating costs increased

Reorganization within traditional retailers

RAID 2.0 divides disks into multiple contiguous storage space of a fixed size. Each storage space is called a chunk (CK).

Multiple CKs form a RAID group, that is, a chunk group

A CKG is divided into multiple small data blocks (extents)

Extents from same CKGs form LUNs

Migration function

HA function

Synchronization function

Smart phone

PC

x86 Server

Pad

Independent product team promote products and rapid service rollout

Self-owned support team can quickly transfer customer feedback to the product department

Independent product line cause human resource repeat

Services provided by different departments have different user interfaces, which brings complexity