Intel X520-SR2 E10G42BFSR ユーザーズマニュアル

製品コード
E10G42BFSR
ページ / 4
Intel’s new family of Intel® Ethernet X520 Server Adapters are  
the most flexible and scalable Ethernet adapters for today’s  
demanding data center environments. Data center networks  
are being pushed to their limits. The escalating deployments of 
servers with multi-core processors and demanding applications 
such as High Performance Computing (HPC), database clusters, 
and video-on-demand are driving the need for 10 Gigabit conn- 
ections. Customers require flexible and scalable I/O solutions to 
meet the rigorous requirements of running mission-critical  
applications in virtualized and unified storage environments.  
Powered by Intel’s third-generation 10 GbE network controller,  
the Intel® Ethernet 82599 10 Gigabit Ethernet Controller, the 
X520 server adapter family addresses the demanding needs  
of the next-generation data center by providing unmatched  
features for virtualization, flexibility for LAN and SAN  
networking, and proven, reliable performance.
Best Choice for Virtualization
The explosive growth in virtualization is leading to an increasing 
demand for network performance. With more Virtual Machines 
(VMs) running on each multi-core server, networking traffic is 
dramatically increased with each VM competing for available  
I/O bandwidth. Intel’s new family of Intel Ethernet X520 Server 
Adapters addresses networking bottlenecks in virtualized environ-
ments. These new adapters enable network-intensive applications 
to achieve the performance expected in a virtualized environment.
The Intel Ethernet X520 family of server adapters provides the 
best networking performance available in the industry, whether 
the physical port is configured in an emulation mode using the  
virtual switch in the Virtual Machine Monitor (VMM), or is directly 
assigned to a virtual machine. In the emulation mode, Intel’s I/O 
technology, Virtual Machine Device queues
1
 (VMDq) optimizes 
network performance by offloading data sorting and copy-
ing from the software Virtual Switch in the VMM to the Intel 
Ethernet 82599 10 Gigabit Controller. This configuration is  
best suited for a large number of VMs running standard applica-
tions that have limited bandwidth and latency requirements.
For mission-critical applications, where dedicated I/O is required 
for maximum network performance, users can assign a dedicated 
virtual adapter port to a VM. Using another Intel technology, Virtual 
Machine Direct Connect (VMDc), on an Intel Ethernet X520 server 
adapter provides direct VM connectivity and data protection across 
VMs. VMDc technology allows the data to bypass the software 
virtual switch and provides near-native performance. It assigns 
either physical or virtual I/O ports to individual VMs directly. This 
technology is best suited for applications that demand the highest 
I/O throughput and lowest latency performance such as database, 
storage, financial and other applications.
VMDc uses the PCI-SIG SR-IOV capability which is a mechanism 
for devices to advertise their ability to be directly assigned to 
multiple virtual machines. SR-IOV allows for the partitioning of 
a PCI function into many virtual interfaces for the purpose of 
sharing the resources of a PCI Express* (PCIe) device in a virtual 
environment. These virtual interfaces are called Virtual Func-
tions. Each virtual function can support a unique and separate 
data path for I/O-related functions within the PCI Express 
hierarchy. Use of SR-IOV with a networking device, for example, 
allows the bandwidth of a single port (function) to be partitioned 
into smaller slices that may be allocated to specific VMs, or 
guests, via a standard interface.
The Intel Ethernet X520 family of server adapters delivers the 
same functionality and throughput as ten dual-port, one Gigabit 
adapters, saving cost, power, and complexity. For more informa-
tion on virtualization please go t
.
Product Brief
Intel® Ethernet X520 Server Adapters
Network Connectivity
Intel
®
 Ethernet X520 Server Adapters
Dual- and Single-Port 10 Gigabit Ethernet Server Adapters Provide Ultimate  
Flexibility and Scalability in Virtual and Unified Storage Environments