WHAT is BunkerCLOUD™?

In our next generation cloud servers, we utilize enterprise grade virtualization technologies that offer an unmatched level of redundancy and automatic healing capabilities. Our control panel is completely transparent, and allows you to increase your resources at any time without losing connectivity. BunkerCLOUD™ is powered by KVM technology and protected by Data Security Node bunker security and expertise.


BunkerCloud™ Controller

The BunkerCloud™ Controller manages cloud resources, provisioning, health monitoring, user management, billing calculations and failover procedures.

  • Web/API interface

A web interface (the BunkerCLOUD™ Control Panel) provides point-and-click control over every aspect of your cloud, and an open, RESTful API offers programmatic control of every control panel function.

  • Layered Management Capabilities

Services and resources can be managed at a high level (i.e. physical servers or groups of servers (zones)), or in detail for each specific virtual appliance. This enables individual appliances to be switched on and off, resized, re-deployed, migrated, etc. You can also give end users access to these functions, or limit administrative control.

  • High Availability, Self-Healing & Automatic Failover

BunkerCLOUD™ features several robust failover mechanisms with intelligent monitoring of cloud services and nodes. If a physical server fails, BunkerCLOUD™ will automatically relocate the appliances it hosts and reroute the application data.


Virtual servers, smart servers and bare metal servers are known collectively as appliances. Appliances host end user applications and give them access to virtualized hardware resources, or direct access to the hardware depending on the type of appliance.

  • Virtual Servers (VS)

BunkerCLOUD™ supports a growing range of hypervisitors for virtual servers, including Xen, KVM, and VMware. Using hardware virtualization/paravirtualization techniques, BunkerCLOUD™ enables multiple versions of 32 and 64 bit Windows, Linux and Unix operating systems and applications to be hosted simultaneously. Virtual servers have their own root accounts which can be controlled, configured and managed by their owners.

Virtual Servers also take advantage of our Customer Isolation Module in addition to a hypervisor’s own security features. Its anti-spoof/anti-sniff firewall ensures you can host thousands of virtual machines in complete isolation.

  • Smart Servers (SS)

Smart servers are based on a thin KVM virtualization layer which enables automated provisioning, scaling and failover, but using pass-through technology to provide the high performance of a dedicated server.

  • Bare metal servers (BMS)

Bare metal servers start life as a smart server so they can also be provisioned automatically with an image of choice across your network. Once provisioned they are rebooted automatically at which point their OS and apps are running directly on the hardware with no virtualization layer.

Data Stores

Data Stores can use almost any storage configuration you’re likely to need: ZFS, RAID, LVM, ATAoE, iSCSI and Fibre. They can be based on a traditional hardware SAN, software SAN or BunkerCloud™’s own integrated storage system. Bare metal servers use local storage, and BunkerCloud™ also supports local storage for VPS-style cloud services.


BunkerCloud™ enables automatic periodic data backup, as well as emergency backup, as part of a disaster recovery system. BunkerCloud™ controls the physical and virtual routing of SANs, which enables seamless SAN failover management. This ensures system reliability and enterprise-class resilience for your cloud hosting service. Incremental backup can also be supported.



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