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About Us

ENTscale짰 is the trademark of cloud business, operated by Well Data System Co., Ltd who is cloud infrastructure provider of choice for companies building for Internet Scale. Well Data System provides global, on-demand data center and cloud infra-based services from world-class data centers in Korea.

We integrate best-in-class connectivity and technology into the industry셲 only fully-automated platform, empowering enterprises with complete access, control, security, and scalability. Our unique advantages include hosting셲 first Network-Within-a-Network topology for true out-of-band access, and an easy to use Customer Portal and robust API providing full remote-access of all product and service management options.

We work with you to create the infrastructure that performs best for your business, built on open-source technologies and fueled by our unparalleled expertise봲o you can move at the speed your business and your customers demand. ENTscale products and services are Standardized, Modular and Integrated. So you can deploy an application architecture designed precisely for your needs, with infrastructure control built in.

Flexible hybrid cloud platform

You need choice, especially when it comes to where you run your databases, applications, and websites. That’s why we provide tools for creating the right fit for your specific needs봶hether hosted in your data center or ours, whether multi-tenant or dedicated, whether virtual or bare metal. By combining environments, you can run each workload where you get the most value, performance, and reliability.

Open technologies

Other cloud vendors focus on developing proprietary technologies that lock in your data and apps. That’s why we really shook up the industry when we gave our cloud code to the world. OpenStack is now the fastest-growing cloud platform on earth, with over 12,000 contributors in 130 countries. Our cloud is powered by OpenStack and optimized for open technologies, so you can stay in control of your data봞nd innovate and scale faster than you can in a proprietary cloud.

Systematic Support

From the unmatched expertise that gets you going to the technology that advances your business daily, we deliver it like no one else. Whether you need help architecting, managing, or troubleshooting your environment, call us. Our teams of professionals봧ncluding Database Administrator, Microsoft Certified Professionals봶ant to put their expertise to work for you, to help accelerate your success.

Our ability to execute

Whether you need public cloud, private cloud, or a hybrid combination, we can help create a best-fit infrastructure for you. And every step of the way, every layer of the technology stack, our specialists will be there to deliver unmatched expertise and award-winning Systematic Support.

The completeness of our vision

We worked with our customer to develop Open Stack, an open-source, scalable cloud operating system that makes it easy to move data from one data center or service provider to another.


To build a great company, you need great people봲mart people who do their best every day, to serve our customers. That’s why we hire and train the best of the best. But you don’t have to take our word for it. Our certifications speak for themselves.

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