 Just play. Okay. Thank you Well, hi our body morning I am a network engineer at United stack since we had Got some problem with his visa. So I replaced him to give this speech talk about our business and Well, I'll get a briefly the introduction In this speech, I will provide our well brief and our customer case and What's our features? Well, we drawn the first open-style published cloud in China and We are the leading managed private cloud service provider and the top contributor to open-stack and safe we have many engineers work in Neutron project and Well safe and the puppets we have co-developers in safe project and puppet open-stack our customers spread our well finance internet game and ISP IDC IDC is our well made customer including the 21st one inch CNITE and Senhua what can United stack do for you? We try to resolve some problems of IT resource Which is no real-time backup data long-term preparation and the high cost of managed servers We face many problems of virtualization. So we want to get some well ideas and some We want to do some things to help Do a locate resources properly according to the application's life cycle Since time is not very Well rich, so I will be quickly this is our story system we provide six six thousand IOPS and 170 megabytes for seconds We have second-level response you can get any your need a source you need in seconds and What we provide is our quick development. We can accomplish from our documents in seven days and Monitoring based on salometer, but more powerful What we provide to customer is not a distraught for software or a Distraught for open stack. We provide service including Upgrade integration installation and monitoring and SRA guarantee. This is what's different with other open stack provider But we still have a fully opened IPPI. We get our We open stack powered the certification which we the only one gets this certification in China Unified storage will save as our story system at bank and it can provide any storage you need will file or Object or clock Thanks to save will and thanks to copy on right. We can get anything like a VM in just seven days Or you can get a well volume or VM snapshot in seven in two seconds Our SDN is based on neutron purely neutron and the open-wave switch This is the interface so we can provide our three agent H a and Many other features like rotors floating IP port forwarding many VPN service and GRE tunnel Our load balancer is based on the communities version since communities version is a pretty well Proprietary well tough. So we do many work on that The communities version two may be well improved This is what we add to open stack instance and the volume snapshots sub-account system project management and accounts collaboration Routime charging This is our roadmap. We have done our cloud cloud service and basic service at 2014 I know what we do what we will do in 12 2015 is well file sharing joy tunnel is what Is has done and we want to provide objects the knowledge relational database and the security gateway CDN and well many many features in this year What is more we manage the private private cloud? The left side is what we do the right side is the customer's work We will do most of upgrading development and R&D The team of customer only need to well use and Have fun This is difference between us and the other well non open source or open source open-style based release I we think we have a low cost and remote online upgrading transport to customers the The main difference I think is our DevOps engineer team and our R&D team They can They will guarantee your SLA including the eye the storage systems IOPS and while what network is through foot and in line time Most of teams just well install open stack version to customer customer servers and then The customer can do what they need to upgrade their version or Operate operate their system, but it is very difficult to them cause open status is really complex so we provide the service and export them to customer they can just use and With the confidence of our engineers and gets the SLA guarantee Okay With no locking with low cost it's really a well nice open stack business The speech the time of speech is a pretty short so Any questions? Yeah, okay, let's collaborate to make the difference. Thank you