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  英特尔 intel 以太网融合网络适配器 X710DA4 四口10gb光纤网卡

英特尔® 以太网融合网络适配器 X710

四端口光纤  40GB 适配器


  • 英特尔推出采用英特尔® 以太网控制器 X710 的最新万兆位以太网适配器产品家族,继续在以太网领域保持领先地位。

    英特尔® 以太网融合网络适配器 X710 产品家族提供了无与伦比的虚拟化特性、出色的 LAN 和 SAN 网络灵活性以及业已验证的可靠性能,能够满足下一代灵活数据中心的苛刻要求。

    该适配器家族可提供高达 80 Gb/秒(发送 40 Gb/秒,接收 40 Gb/秒)的双向吞吐量(需要四端口适配器)的卓越性能,并支持 PCI Express* v3.0 x8 插槽。


     

  • Product Brief
    Intel® Ethernet Converged Network Adapters X710
    With Support for SFP+ Connections
    Network Connectivity

     

     


    Intel® Ethernet Converged

    Network Adapters

    X710 10 GbE

     

     

     


    Extending Intel® Virtualization Technology beyon Server Virtualization to the Network with Hardwa Optimizations and Offloads for the Rapid Provisio   i of Networks in an Agile Data Center


    Key Features
    • Dual- and quad-port 10 GbE
    adapters
    • PCI Express*  (PCIe) 3.0, x8
    • Exceptional Low Power Adapters
    • Network Virtualization offloads including VXLAN, NVGRE, Geneve, Network Service Headers (NSH)2
    • Intel® Ethernet Flow Director
    for hardware based application
    traffic steering
    • Intel® Data Plane Developer Kit (DPDK) optimized for efficient packet processing
    • Excellent small packet performance for network appliances and Network Function Virtualization (NFV)
    • Intelligent offloads to enable high performance with Intel® Xeon® processor-based servers
    • I/O virtualization innovations for maximum performance in a virtualized server
    • Unified networking providing a single wire support for LAN and storage: NAS (SMB, NFS) and SAN (iSCSI, FCoE)1
    Overview
    Intel continues its legacy of Ethernet leadership by introducing a 10/40 gigabit family of adapters powered by the Intel® Ethernet X710 Controller code-named Fortville.

    The X710 adapter family addresses the demanding needs of the next-gener- ation agile data center by providing unmatched features for both server and network virtualization, flexibility for LAN and SAN networks and proven, reli- able performance.


    Leading 10/40 GbE Performance
    The X710 adapter family delivers superior performance with a theoretical throughput of 80 Gb/s (40Gb/s Tx; 40Gb/s Rx) bidirectional throughput (quad- port adapter required), in a PCI Express v3.0 x8 slot. Optimized performance vectors and key uses include:

    • Small Packet Performance: Achieves wire-rate throughput on smaller pay- load sizes (>128 Bytes for 40 GbE and >64 Bytes for 10 GbE
    • Bulk Transfer Performance: Delivers line-rate performance with low CPU
    usage for large application buffers

    • Virtualized Performance: Alleviates hypervisor I/O bottlenecks by providing flow separation for Virtual Machines (VMs)
    • Network Virtualization: Network virtualization overlay offloads including
    VXLAN, NVGRE, Geneve, Network Service Headers (NSH)2

    • Storage Performance: Enables competitive perfor- mance with native OS drivers and intelligent offload for NAS (NFS, SMB), and SAN (iSCSI, and FCoE)

    A Complete, Unified Networking Solution Converging data and storage onto one fabric eliminates the need for multiple adapters, cables and switches. Furthermore both 10 and 40 gigabit Ethernet provides the bandwidth to converge these multiple fabrics onto a single wire. A key capability that makes all this possible
    is traffic class separation provided by Data Center  Bridg-
    ing (DCB)1 —providing a one-wire solution with virtual
    pipes for the different classes of traffic:

    • Data: Best effort delivery of standard LAN traffic

    • Storage: Lossless network for FCoE and iSCSI

    • Management: Guaranteed connectivity of data center IP
    management

    One Adapter, One Price
    With the Intel’s adapters, iSCSI and FCoE support are included in the price of an adapter. There is no need to purchase multiple adapters or additional licensing for an X710 adapter. It’s simple and easy. Everything you need to unify your networking is included in a single SKU. One Adapter, One Price.

    Power Savings
    Power  efficiency is critical to IT specialists as energy
    consumption is a real OpEx concern.

    • Lowest Power Consumption
    The new generation of X710 adapters are power mi- sers. They deliver double the throughput with only half the power of the previous X520 generation.

    • Energy Efficient Ethernet (EEE)
    Reduces power consumption during periods of low data activity. Energy is used to maintain the physical layer transmitters in a “ready state” to transmit data on the wire. During periods of low data traffic, EEE sends a
    low-power-idle signal to put the transmitters into a “low power state” saving power and cost. When data needs
    to be sent, EEE sends a normal idle signal to wake up the transmit system before data is due to be sent so there is no degradation of performance.

    Server Virtualization
    With Intel® Virtualization Technology (VT), the X710 family of adapters deliver outstanding I/O performance in virtualized server environments. They reduce I/O bot- tlenecks by providing intelligent offloads  for networking traffic per virtual machine (VM), enabling near-native performance and VM scalability. The host-based virtual- ization technologies supported by Intel® VT include:

    • VMDq for Emulated Path: Adapter-based VM Queue sorting enabling efficient hypervisor-based switching
    • SR-IOV for Direct Assignment: Adapter-based isolation and switching for various virtual station instances en- abling optimal CPU usage in virtualized environments

    Additionally, X710 adapters provide Virtual Bridging1 support that delivers both host-side and switch-side control and management of virtualized I/O as well as the following modes of virtualized operation:

    • VEPA1: IEEE 802.1Qbg support for Virtual Ethernet Port
    Aggregator1

    • VEB: Virtual Ethernet Bridge support via Intel® VT

    Network Virtualization
    Network virtualization is the next big trend in creating an agile data center. The family of X710 adapters are ready to help you take that next step.

    • VXLAN, NVGRE, GENEVE, NSH Offloads2: These stateless offloads preserve application performance for overlay networks. With these offloads it is possible to distribute network traffic across CPU cores.

    At the same  time X710 offloads  LSO, GSO, and check- sum from the host software reducing CPU overhead.

    Intel® Ethernet Flow Director
    Flow Director is an advanced traffic steering capabil- ity built into the X710 controller. It consists of a large number of flow affinity filters that  direct receive packets by their flows to queues for classification, load balanc- ing, and matching between flows and CPU cores. It eli- minates context switching required within the CPU. As a result, Flow Director significantly increasing the number of transactions per second and reduces latency for cloud applications like Memcached.

    Intelligent Offloads
    The Xeon® family of processors has demonstrated increased computing performance and increased inte- gration of key server subsystems generation after gener- ation. To offload is to leverage the ever-escalating com- puting power of the Xeon processor where appropriate and implementing complementary accelerations in the network controller—this is what Intel refers to as “intelli- gent offloads.” By employing a balanced hybrid of com- pute  and offload, intelligent offloads  are able to achieve the optimized point of performance and efficiency. This
    is most notably observed in the following usage models:

    • TCP Stateless Offloads: Demonstrates leading per- formance vs. TOE solutions without restricting feature usage (TOE usage usually requires that key features
    be disabled). Supported stateless off- loads include
    Checksum, TSO, VMDq, and RSS.

    • Host iSCSI/FCoE Initiators: Providing exceptional performance without the need for full-offload HBA2 methods.

    • Flow Classification: Trafficking data flows across mul- tiple consumers and connections

    Manageability
    The X710 family of adapters also incorporate the man- ageability required by IT personnel for remote control and alerting. Communication to the Board Management Controller (BMC) is available either through an on-board SMBus port  or the DMTF-defined NC-SI, providing a vari-
    ety of management protocols, including IPMI, BMC Pass- thru, OS2BMC, and MCTP/SMBus and MCTP/PCIe.

    World-Class Intel Support
    Intel Customer Support Services offers a broad selection of technical and customer support programs. For more information, contact your local Intel representative. Ser- vice and availability may vary by country.

     


    FEATURES BENEFITS

    General


    Intel® X710 10 Gigabit Ethernet
    Controller

    • Industry-leading, energy-efficient design for next-generation 10 Gigabit performance and multi-core processors


    SFP+ Connectivity  • X710 adapters with SFP+ connections support 10GBASE-SR, 10GBASE-LR and SFP+ Direct Attach Copper
    (DAC) physical media.

    Low-profile  • Enables higher bandwidth and throughput from standard and low-profile PCIe* slots and servers

    Low-profile (non-compliance)  • Intel does offer a 4x10 SFP+, low profile, non-PCI complaint version of the Intel® Ethernet Converged Network
    Adapter X710-DA4 FH. Please contact your Intel representative for information about this adapter.

    Full-height  • Intel® Ethernet Converged Network Adapter X710-DA4 FH requires a full height slot for PCIe compliance

    Load balancing on multiple CPUs • Increases performance on multi-processor systems by efficiently balancing network loads across CPU cores
    when used with Receive-Side Scaling (RSS) from Microsoft or Scalable I/O on Linux*

    iSCSI remote boot support  • Provides centralized storage area network (SAN) management at a lower cost than other iSCSI solutions
    • No additional cost for iSCSI support, included in standard adapter


    Fibre Channel over Ethernet (FCoE) Support1
    • Includes FCoE Boot and Data Center Bridging
    • No additional cost for FCoE support, included in standard adapter


    Support for most network operating systems

    • Enables widespread deployment


    RoHS-compliant  • Complies with the European Union directive 2011/65/EU  to reduce the use of hazardous materials


    Intel® PROSet Utility for Windows*
    Device Manager

    • Provides point-and-click management of individual adapters, advanced adapter features, connection teaming, and virtual local area network (VLAN) configuration


    Time Sync (IEEE 1588*, 802.1as) • Enables networked Ethernet equipment to synchronize internal clocks according to a network master clock;
    endpoint can then acquire an accurate estimate of the master time by compensating for link latency

    I/O Features for Multi-core Processor Servers

    Intel® Flow Director  • An advanced traffic steering capability increases the number of transactions per second and reduces latency for cloud applications like MemcacheD

    MSI-X support  • Minimizes the overhead of interrupts
    • Load-balancing of interrupt handling between multiple cores/CPUs


    Multiple Queues: 1,536 Tx and Rx
    queues per port

    • Network packet handling without waiting or buffer overflow providing efficient packet prioritization
    • Actual number of queues will vary depending upon software implementation


    Tx/Rx IP, SCTP, TCP, & UDP checksum
    offloading (IPv4, IPv6) capabilities

    • Lower processor usage
    • Checksum and segmentation capability extended to new standard packet type


    Virtualization Features

    Next-Generation VMDq • Up to 256 maximum VMDq VMs supported
    • Enhanced QoS feature by providing weighted round-robin servicing for the Tx data
    • Offloads the data-sorting functionality from the Hypervisor to the network silicon, improving data throughput and CPU usage
    • Provides QoS feature on the Tx data by providing round-robin servicing and preventing head-of-line blocking
    • Sorting based on MAC addresses and VLAN tags
    • Provides loopback functionality, where data transfer between the virtual machines within the same physical server need not go out to the wire and come back in, improving throughput and CPU usage
    • Supports replication of multicast and broadcast data

    FEATURES BENEFITS


    PCI-SIG SR-IOV Implementation
    (128 per device)

     

     


    Virtual Machine Load Balancing
    (VLMB)

    • Provides an implementation of the PCI-SIG standard for I/O Virtualization. The physical configuration of each port is divided into multiple virtual ports. Each virtual port is assigned to an individual virtual machine directly by bypassing the virtual switch in the Hypervisor, resulting in near-native performance.
    • Integrated with Intel® VTI for Directed I/O (VT-d) to provide data protection between virtual machines by assigning separate physical addresses in the memory to each virtual machine.
    • 64/port for dual port
    • 32/port for quad port

    • Virtual Machines Load Balancing (VMLB) provides traffic load balancing (Tx and Rx) across Virtual Machines
    bound to the team interface, as well as fault tolerance in the event of switch, port, cable, or adapter failure.


    Advanced Packet Filtering  • 1536 exact matched packets (unicast or multicast)
    • 512 hash entries each for unicast and multicast
    • Lower processor usage
    • Promiscuous (unicast and multicast) transfer mode support
    • Optional filtering of invalid frames


    VLAN support with VLAN tag inser- tion, stripping and packet filtering for up to 4096 VLAN tags

    • Ability to create multiple VLAN segments


    VXLAN and NVGRE Support  • Preserves application performance in network virtualized environments

    Manageability Features


    Preboot eXecution Environment
    (PXE) Support

    • Enables system boot up via the LAN (32-bit and 64-bit)
    • Flash interface for PXE image


    Simple Network Management
    Protocol (SNMP) and Remote Network
    Monitoring (RMON) Statistic Counters

    • Easy system monitoring with industry-standard consoles


    iSCSI Boot1  • Enables system boot up via iSCSI
    • Provides additional network management capability

    Watchdog Timer  • Gives an indication to the manageability firmware or external devices that the chip or the driver is not functioning

    Adapter Product Features

    Intel® PROSet Utility  For easy configuration and management

    Plug and play specification support  Standard

    Receive Side Scaling  Multiple Rx queues enable the efficient distribution of network receive processing across multiple CPUs in
    multiprocessor systems

     

    Advanced Software Features—All Adapters
    Adapter fault tolerance (AFT) Switch fault tolerance (SFT) Adaptive load balancing (ALB) Teaming Support
    IEEE 802.3ad (link aggregation control protocol)

    PCIe Hot Plug*/Active peripheral component interconnect (PCI) IEEE 802.1Q* VLANs
    IEEE 802.3 2005* flow control support

    Tx/Rx IP, TCP, & UDP checksum offloading (IPv4, IPv6) capabilities (Transmission control protocol (TCP), user datagram protocol (UDP), Internet protocol (IP)

    IEEE 802.1p*

    TCP segmentation/large send offload

    MSI-X supports Multiple Independent Queues

    Interrupt moderation

    IPv6 offloading—Checksum and segmentation capability extended to new standard packet type
    Network Operation System (NOS) Support—All Adapters

    Operating System IA-32    X86-64  IA-64
    Windows Server* 2012 R2  N/A  X N/A Windows Server 2012 R2 Core  N/A  X N/A Windows Server 2012  N/A  X N/A Windows Server 2012 Core N/A  X N/A Windows Server 2008 R2  N/A  X  N Windows Server 2008 R2 Core  N/A  X  N Linux* Stable Kernel version 2.6.32/3x  X X   X Linux* RHEL 6.5 and RHEL 7.0   X X   X Linux* SLES 11 SP3 and SLES 12   X X   X FreeBSD* 9 and FreeBSD* 10   X X   X UEFI* 2.1  N/A  X   X UEFI* 2.3  N/A  X   X VMware ESXi 5.11 (Limited Functionality)  N/A  X N/A VMware ESXi 5.51 N/A  X N/A

    Adapter Product Features

    Intel® PROSet Utility  For easy configuration and management
    Technical Features

    Data rate supported per port  • Optical: 1 GbE/10 GbE
    • Direct Attach: 10 GbE

    Plug and play
    specification support
    Standard

    Bus type  PCI Express* 3.0 (8 GT/s)


    Receive Side Scaling  Multiple Rx queues enable the efficient distri- bution of network receive processing across

    Bus width  x8 PCI Express

    Interrupt levels  INTA, MSI, MSI-X

     

    Specifications
    General
    multiple CPUs in multiprocessor systems   
    Hardware certifications  FCC B, UL, CE, VCCI, BSMI, CTICK, KCC Controller-processor  Intel® Ethernet Controller X710-AM2

    Connections  Dual or Quad SFP+ cages for:
    • SFP+ SR fiber-optic transceivers
    • SFP+ LR fiber-optic transceivers
    Power Consumption

    SKU

    Typical
    Power

    Maximum
    Power

     

    Network Standard
    • SFP+ Direct Attach cables

    IEEE 802.3:
    Dual-port 10GBASE-SR  4.3W 4.8W

    Dual-port 1000BASE-SX 4.0W 4.3W

    Physical Layer Interface  10GBASE-SR
    • (E10G41BFSR, 10G42BFSR)
    10GBASE-LR
    • (E10G41BFLR)
    SFF-8431:
    10GSFP+ DAC (Direct Attach Copper)
    • (E10G42BTDA)

    Intel® Ethernet Converged
    Network Adapter X710 Product Codes

    Configuration  Product Code Adapter Height X710-DA2     X710DA2      Low Profile X710-DA4   X710DA4FH  Full Height X710-DA4  X710DA4G1P5  Low Profile, NC Intel® Ethernet SFP+ Twinaxial Cables
    Cable Length (m) Product Code
    1  XDACBL1M

    Dual-port 10GBASE-LR                  4.5W                                   5.1W Dual-port Direct Attach (Twinax)  3.3W                                   3.7W Quad-port 10GBASE-SR                 6.2W                                   6.6W Quad-port 1000BASE-SX             5.5W                                   6.0W Quad-port 10GBASE-LR                 6.9W                                   7.4W Quad-port Direct Attach (Twinax) 3.6W                                  3.8W
    Air Flow                                          Minimum of 1
    50 LFM required
    Operating temperature  0 °C to 55 °C (32 °F to 131 °F) Storage temperature  -40 °C to 70 °C
    (-40 °F to 158 °F)

    Storage humidity  Maximum: 90% non-condensing relative humidity at 35 °C

    LED Indicators  LINK (solid) and ACTIVITY (blinking) LINK SPEED (green=10 Gbps; yellow=1 Gbps)

    3  XDACBL3M
    5   XDACBL5M Intel® Ethernet SFP+ Optic Product Codes Cable Length (m) Product Code
    SR Optic  E10GSFPSR
      
    LR Optic  E10GSFPLR
    Physical Dimensions
    X710-DA2
    Low-profile PCIe
    X710-DA4
    Full-height PCIe
    X710-DA4
    Low-profile NC PCIe


    6.578 x 2.703 inches

    6.578 x 4.372 inches

    6.578 x 2.703 inches

     

     

     

     

     


    For Product Information
    To see the full line of Intel Network Adapters for PCI Express*, visit www.intel.com/go/ethernet.
    To speak to a customer service representative regarding Intel products, please call 1-800-538-3373 (U.S. and Canada) or visit support.intel.com/support/go/network/contact.htm for the telephone number in your area.
    Customer Support
    Intel® Customer Support Services offers a broad selection of
    programs including phone support and warranty service.
    For more information, contact us at support.intel.com/support/
    go/network/adapter/home.htm.

    (Service and availability may vary by country.)

     

    Warranty
    Limited lifetime hardware warranty within 90 days of purchase. See the support document for complete warranty information at www.intel.com/support/network/sb/cs-009721.htm.
    Platform Validation
    Architected and validated with Intel® Xeon® processor E5 v3
    platform  to deliver a balanced platform  for data center and cloud infra-structures.

     

     

     

     

     

     

     

     

     

     

     

     

     

     

     

     

     

     

     

     

     

    1. Feature to be enabled in Post-Launch Release.
    2. Network Virtualization Offload availability may vary please check both Intel® Ethernet X710 10/40 GbE Controller Feature Software Support Matrix https://www-ssl.intel.com/content/dam/www/
    public/us/en/documents/release-notes/xl710-ethernet-controller-feature-matrix.pdf  and Operating System Vendor enablement schedules.

    By using this document, in addition to any agreements you have with Intel, you accept the terms set forth below.
    You may not use or facilitate the use of this document in connection with any infringement or other legal analysis concerning Intel products described herein.  You agree to grant Intel a non-exclusive, royalty-free license to any patent claim thereafter drafted which includes subject matter disclosed herein.
    INFORMATION IN THIS DOCUMENT IS PROVIDED IN CONNECTION WITH INTEL PRODUCTS.  NO LICENSE, EXPRESS OR IMPLIED, BY ESTOPPEL OR OTHERWISE, TO ANY INTELLECTUAL PROPERTY RIGHTS IS GRANTED BY THIS DOCUMENT. EXCEPT AS PROVIDED IN INTEL’S TERMS AND CONDITIONS OF SALE FOR SUCH PRODUCTS,  INTEL ASSUMES NO LIABILITY WHATSOEVER AND INTEL DISCLAIMS ANY EXPRESS OR IMPLIED WARRANTY, RELATING TO SALE AND/OR USE OF INTEL PRODUCTS INCLUDING LIABILITY OR WARRANTIES RELATING TO FITNESS FOR A PARTICULAR PURPOSE, MERCHANTABILITY, OR INFRINGEMENT OF ANY PATENT, COPYRIGHT OR OTHER INTELLECTUAL PROPERTY RIGHT.
    A “Mission Critical Application” is any application in which failure of the Intel Product could result, directly or indirectly, in personal injury or death. SHOULD YOU PURCHASE OR USE INTEL’S PRODUCTS FOR ANY SUCH MISSION CRITICAL APPLICATION, YOU SHALL INDEMNIFY AND HOLD INTEL AND ITS SUBSIDIARIES, SUBCONTRACTORS AND AFFILIATES, AND THE DIRECTORS, OFFICERS, AND EMPLOYEES OF EACH, HARMLESS  AGAINST ALL CLAIMS COSTS, DAMAGES, AND EXPENSES AND REASONABLE ATTORNEYS’ FEES ARISING OUT OF, DIRECTLY OR INDIRECTLY, ANY CLAIM OF PRODUCT LIABILITY, PERSONAL INJURY, OR DEATH ARISING IN ANY WAY OUT OF SUCH MISSION CRITICAL APPLICATION, WHETHER OR NOT INTEL OR ITS SUBCONTRACTOR WAS NEGLIGENT IN THE DESIGN, MANUFACTURE, OR WARNING OF THE INTEL PRODUCT OR ANY OF ITS PARTS.
    Intel may make  changes to specifications and product descriptions at any time, without notice. Designers must not rely on the absence or characteristics of any features or instructions marked “reserved” or “undefined”. Intel reserves these for future definition and shall have no responsibility what-soever for conflicts or incompatibilities arising from future changes to them. The information here is subject to change without notice. Do not finalize
    a design with this information.
    The products described in this document may contain design defects or errors known  as errata which may cause the product to deviate from published specifications. Current characterized errata
    are available on request.
    Contact your local Intel sales office or your distributor to obtain the latest specifications and before placing your product order.
    Copies of documents which have an order number and are referenced in this document, or other Intel literature, may be obtained by calling
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    *Other names and brands may be claimed as the property of others.
    Copyright ©2015, Intel Corporation. All Rights Reserved.


    Printed in USA 0515/MBR/HBD/PDF Please Recycle  331180-002US

  •  

    支持连接的英特尔® 虚拟化技术

    对虚拟化的 I/O 进行优化,以实现平衡的服务器性能
    支持连接的英特尔® 虚拟化技术 (英特尔® VT-c) 能降低 CPU 使用量,缩短延迟,并提高网络吞吐量。英特尔® VT-c 是英特尔® 虚拟化技术的关键组件技术之一。
    虚拟机设备队列 (VMDQ) 通过将通信量排序从管理程序的虚拟交换机分载至英特尔® 以太网控制器来增强流量管理。VMDQ 通过与 VMware NetQueue* 或 Microsoft Virtual Machine Queues* 协同工作,在英特尔以太网控制器的多个硬件队列上支持流量导向和平衡带宽分配。
    PCI-SIG 单根 I/O 虚拟化 (SR-IOV) 能将单个英特尔® 以太网服务器适配器端口分为多个虚拟功能。IT 管理员可以使用这些虚拟端口来创建与虚拟机的多个隔离连接

    基于英特尔® 以太网的统一网络解决方案

    可信, 价格合理的连接功能
    基于英特尔® 以太网的统一网络解决方案通过单个英特尔® 以太网万兆位聚合网络适配器提供全面的 LAN 和 SAN 连接。
    英特尔® 以太网聚合网络适配器支持 NFS、iSCSI 和太网光纤通道 (FCoE),可简化数据中心基础设施,并且不需要价格昂贵,针对特定存储的适配器。
    英特尔® 以太网聚合网络适配器使用操作系统或管理程序的本地 iSCSI 和 FCoE 支持以提供简单而可扩展的 SAN 连接功能。英特尔® 以太网控制器中的智能硬件分载能在不依赖基于复杂的专有硬件解决方案的情况下加快通信量。

    iWARP 帮助实现低延迟
    由于虚拟化、大数据应用、Web 2.0 服务和日益增长的实时应用,低延迟对于一家企业而言越来越重要。
    对于许多应用而言,完成任务依赖于向服务器调用数据或数据中心其他部分的存储。随着东西区域流量日益增长,需要低延迟基础架构才能够满足应用响应时间需求。
    对于需要低延迟的数据中心和云应用而言,网络环境也在不断变化。InfiniBand* 不是唯一的选择。iWARP 日渐成为主流网络技术,它可对许多网络应用的性能和效率产生很大影响。
    由于企业向以太网大量投资,iWARP 成为替代 Infiniband 的理想解决方案。如果考虑到安装和维护一个完全独立的基础架构,InfiniBand 则更没有优势。
    iWARP 使用现有的以太网基础架构。现在,网络管理员可以在服务器中安装支持 iWARP 的以太网适配器卡,Microsoft Windows* Server 2012 将自动利用可用的 RDMA (远程直接内存访问)方法。因为 iWARP 的运行位置是 TCP/IP,所以无需对现有的交换机和路由器网络基础架构做任何改动。
    实际的测试显示,iWARP 与 InfiniBand 相当甚至更出色。
    将来的英特尔® 服务器芯片组借助 iWARP 的功能将支持 10 GbE 和更快的以太网,从而实现较高的吞吐能力、较低的延迟性能并使用较少的 CPU 利用率。阅读白皮书,了解更多关于性能的信息。
    iWARP 与 InfiniBand* 的延迟比较

 
 
 
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