虚拟桌面架构（VDI）

Parallels^®Remote Application Server (RAS) 使得VDI快速、简单、经济，从而为企业提供更强大的安全保障、集中式桌面管理和更少的IT工作量。

虚拟机监控程序的灵活性

Parallels RAS支持Microsoft Hyper-V、VMware ESXi和超融合基础架构（如Nutanix Acropolis、Scale Computing HC3、HPE、Citrix Hypervisor和基于内核的虚拟机（KVM））。Parallels RAS可以在同一架构下用不同的虚拟机监控程序管理虚拟机（VM），从而在实现VDI时提供灵活性。
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简化的VDI管理

Parallels RAS可以使用自定义模板根据需要自动部署VDI桌面，允许管理员动态创建和部署访客虚拟机。IT团队在创建模板之后，通过选择模板并输入虚拟机数量，即可立即部署多个虚拟机。创建一个虚拟桌面，然后根据需要复制桌面。阅读更多.

IT团队通过使用链接克隆，可以从当前的虚拟机复制一个已经可用的虚拟磁盘，而不是启动一个全新的完整虚拟机。这样可以让多个虚拟机共享同一个软件安装，从而节省磁盘空间和部署时间。

“在完成对Parallels RAS的升级后，ACSM-AGAM对虚拟桌面架构（VDI）设置的简便、快捷感到高兴。”

Fabio Calzolari
Computer Design Srl的CEO

Benefits of VDI with Parallels RAS

Unified Windows Virtual Desktop Integration

Parallels RAS extends and simplifies the capabilities of Windows Virtual Desktop by integrating and managing all workloads and resources from a central point—the Parallels RAS Console. IT administrators can streamline, provision and manage Windows Virtual Desktop workloads and components via wizards. Integrate Parallels RAS deployments with Windows Virtual Desktop, delivering a single solution to end-users.

Automated Image Optimizations

Parallels RAS provides more efficient and streamlined delivery for virtual apps and desktops with more than 130 built-in automated optimization capabilities. Administrators may leverage different pre-configured optimizations for VDI, RDSH or Windows Virtual Desktop workloads depending on the server type, and use pre-configured scripts, including those from third-party tools, saving time in optimizing images.

RDSH and VDI Local Storage Distribution

Parallels RAS provides the ability to deploy clones from templates to the local disks of multiple independent Microsoft Hyper-V hosts, rather than only using centrally shared storage such as SAN. Benefits include reduced need for complex configurations, the ability to maintain a single template for use with multiple providers and faster disk access.

VDI Delivery in Microsoft Azure

Parallels RAS supports the provisioning of VDI and Remote Desktop Session Host (RDSH) workloads directly on Microsoft Azure as a VDI platform. This allows organizations to create, scale and manage required workloads on demand directly on Microsoft Azure, rendering faster deployments, simplifying management and reducing costs. Auto-provisioning and auto-scaling of workloads can ensure the right balance between resources’ availability and compute cost when running on Microsoft Azure.
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Dynamic Storage Space Management

Admins can set a preconfigured number of VMs to be created based on a RAS template to make sure that enough VDI instances are available for users, ready to accept users’ connections and reduce login times. IT can define an alive timer, which states how long the VM stays on the server before being deleted. After the predefined time expires, the VM is deleted from the infrastructure, freeing the storage space that was reserved for it.
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VM Pool Management

VM pools offer administrators more flexibility when managing a vast number of guest VMs. IT administrators can set multiple pools based on guest VMs from specific RAS templates and provide access to different user groups. Each group can have a virtual desktop template with specific requirements, such as document-processing tools for finance or image-processing tools for creative, simplifying account management on the IT side.

VDI: Persistent vs. Non-Persistent

Parallels RAS offers two types of VDI options: persistent and non-persistent, providing flexibility for organizations to choose the model that fits their requirements.

Persistent VDI is a session where each user’s desktop is uniquely customizable and carries over from one session to another. User data is retained and always available through any user session. Data is retained until manually deleted.
Non-persistent VDI doesn't retain any user data. It creates a standard desktop from a Parallels RAS template that always has the same settings. It’s deleted when the user logs out or the predefined alive timer expires.