Shulou(Shulou.com)06/02 Report--

CVM traditional IDC computer room network independently developed DC server, green computer room design, PUE low traditional AC server design, PUE high backbone computer room, large exit bandwidth, uneven quality of exclusive bandwidth computer room, difficult for users to choose, BGP multi-line computer room with shared bandwidth, smooth and balanced national access to single-line and two-line operation easy to use built-in mainstream operating system Windows genuine activation requires user-provided operating system, self-installed operating system can not be replaced online, requires users to reinstall WEB online management, simple and convenient without online management tools, difficult to maintain mobile phone verification password settings, safe and convenient to reset password trouble, and the risk of being cracked, disaster recovery backup multiple copies of each data, single damage can be quickly recovered within a short period of time. Using traditional storage devices, expensive user-defined snapshot data corruption requires users to repair fast and automatic fault recovery without snapshot function, unable to achieve automatic fault recovery safe and reliable to effectively prevent MAC spoofing and ARP*** very difficult to prevent MAC spoofing and ARP*** effective protection DDoS***, traffic cleaning and black hole cleaning and black hole equipment need to be purchased separately, expensive port * scan There are common problems in additional services such as horse scanning and vulnerability scanning, such as loopholes, horse and port scanning. Flexible expansion and activation of CVM is very flexible. It can be upgraded and configured online, delivery cycle is long, free bandwidth is purchased at one time, can not freely rise and fall, online use of load balancing, easy to expand the application hardware load balancing, expensive. Setting is also very troublesome, cost saving, use cost threshold is low, use cost threshold is high, there is no need for one-time large investment, one-time investment is huge, idle waste is serious on-demand purchase, flexible payment, flexible response to business changes can not be purchased on demand, must be fully equipped for business peak

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