Hyper-V Server 2008 R2 SP1 免费发布
Hyper-V Server 2008 R2 SP1 发布了，并且依旧免费！熟悉微软虚拟化的朋友对 Hyper-V Server 2008 一定是了解的，这是微软提供的一个简化、可靠和优化虚拟化的解决方案，它能提高服务器的利用率，并降低成本。
在 Hyper-V Server 2008 R2 SP1 中包含了许多新的特性：
- Dynamic Memory（动态内存）
- RemoteFX
- Live migration（实时迁移）
- Failover clustering（故障转移群集）
- 新的硬件配置支持
- 新的服务器配置工具
点击下载：Hyper-V Server 2008 R2 SP1，下面是微软虚拟化平台产品的支持和功能对比列表，供大家参考！
| Hyper-V Server 2008 | Hyper-V Server 2008 R2 | Windows Server 2008R2 | |
| x64-based processor architecture only | Yes | Yes | Yes |
| Hypervisor-based | Yes | Yes | Yes |
| Product type | Stand-alone product | Stand-alone product | Operating system |
| Number of sockets (licensing) | Up to 4 | Up to 8 | Up to 8 (Enterprise) Up to 64(DataCenter) |
| Number of cores supported by the hypervisor | 24 | 64 | 64 |
| Memory | Up to 32GB | Up to 1TB | Up to 1TB |
| Virtual machine migration | None | Quick and Live migration | Quick and Live migration |
| Max number of cluster nodes | Not applicable | 16 | 16 |
| Management | Existing management tools | Existing management tools | Existing management tools |
| Management by System Center Virtual Machine Manager | Yes (VMM 2008 & VMM 2008 R2) | Yes (VMM 2008 R2) | Yes (VMM 2008 R2) |
| Virtualization rig hts for Windows Server guest virtual machines | 0 | 0 | 4 virtual machines (Enterprise) Unlimited vietual machines (Datacenter) |
| Number of running virtual macine guests | As many as physical resources allow, up to 192 | As many as physical resources allow, up to 384 | As many as physical resources allow, up to 384 |
| Max number of virtual processors | 8 times the number of logical processors | 8 times the number of logical processors | 8 times the number of logical processors |
