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    • Chelsio T420-CR Dual-port (SFP+) 10GbE PCI-E 2.0 Adapter

      [ Part number: 46M2237 ]

      Chelsio T420-CR Dual-port SFP+ 10GbE PCI-E 2.0 Adapter for IBM System X

      Giá: Liên hệ

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    Features

    Chelsio is enabling a unified wire for LAN, SAN, and cluster traffic. This unified wire was made possible by the high bandwidth and low latency of 10GbE combined with storage and cluster protocols operating over TCP/IP (iSCSI, FCoE, and iWARP, respectively). In parallel, operating systems and hypervisors have incorporated native support for iSCSI, and database applications now support file-based storage protocols such as NFS as an alternative to SANs. Expanding its unified wire approach, Chelsio has added Fibre Channel over Ethernet (FCoE) hardware support to the new T4-based adapters. FCoE provides a transition path from legacy SANs to converged networks.

    Chelsio Unified Wire 10GbE adapters for IBM Intelligent Cluster and iDataPlex have the following features:

    • PCI Express Gen2 x8
    • Low latency
    • Supports up to 1M connections
    • Full TCP and UDP offload
    • TCP chimney
    • Full iSCSI, FCoE offload
    • Full iWARP RDMA offload
    • EVB, VEPA
    • PCI-SIG SR-IOV
    • Integrated media streaming offload
    • Hardware-based firewall in the cloud
    • Traffic filtering and management

    Applications

    The Chelsio Unified Wire 10GbE adapters are ideally suited for use in the solutions listed below.

    Data center networking:

    • Scale up servers and NAS systems.
    • Link servers in multiple facilities to synchronize data centers.
    • Consolidate LAN, SAN, and cluster networks.


    Cloud computing:

    • Virtualization features to maximize cloud scaling and utilization
    • Runs InfiniBand, Fibre Channel apps unmodified on Ethernet
    • Cloud ready functional and management features
    • QoS and traffic management
     

    Networked storage:

    • Enable high-performance NAS systems and Ethernet-based IP SANs.
    • Develop shared-storage systems providing both file-level and block-level services.
     

    High performance computing:

    • Very low latency Ethernet.
    • Increase cluster fabric bandwidth.
    • Deploy Ethernet-only networking for cluster fabric, LAN, and SAN.

    Comparison of the adapter cards

    Table 2 compares the Chelsio Unified Wire 10GbE adapters.

    Table 2. Ordering part numbers and feature codes

    Adapter T420-CR T440-CR T420-BCH T420-SO-CR
    IBM part number 46M2237 46M2241 46M2245 81Y8021
    Number of ports 2x 10 G 4x 10 G 2x 10 G 2x 10G
    Connector type SFP+ cage SFP+ cage BladeCenter CFFh SFP+ cage
    Host interface PCIe x8 Gen 2 PCIe x8 Gen 2 PCIe x8 Gen 2 PCIe x8 Gen 2
    Form factor Low Profile Half size BladeCenter CFFh Low profile
    Connection capacity 32 K 32 K 32 K 128
    Full TCP offload Yes Yes Yes Yes
    Full UDP/multicast offload Yes Yes Yes No
    Full iWARP RDMA offload Yes Yes Yes No
    Full iSCSI offload Yes Yes Yes Yes
    Full FCoE offload Yes Yes Yes Yes
    SR-IOV, VEB/VEPA Yes Yes Yes Yes
    Op-iSCSI Yes Yes Yes Yes
    Op-FCoE Yes Yes Yes Yes
    Power 11.94 W 12.65 W 12.60 W 8.86 W
    Recommended for Unified Wire: RDMA, TOE,
    NIC, iSCSI, FCoE virtualization
    Unified wire: RDMA, TOE,
    NIC, iSCSI, FCoE virtualization
    Unified Wire: RDMA, TOE, NIC,
    iSCSI, FCoE virtualization
    Unified Wire: NIC, TOE,
    iSCSI, FCoE virtualization


    Specifications

    The Chelsio Unified Wire 10GbE adapters have the specifications listed below.

    Host interface:

    • PCI Express Gen2 x8
    • MSI-X, MSI, and support for legacy pin interrupts
     

    Network interfaces:

    • 10GBASE-SR short-reach optics (850 nm)
    • 10GBASE-LR long-reach optics (1310 nm)
     

    High-performance RDMA:

    • Low-latency and line-rate bandwidth
    • Enhanced RDMA primitives
    • iWARP support on Linux OFED
    • Microsoft Network Direct support
     

    UDP and multicast offload:

    • UDP Sockets API
    • Low user-to-user latency
    • Multicast replication on ingress or egress
     

    Virtualization:

    • PCI-SIG SR-IOV
    • 128 virtual functions (VF), 8 PF
    • 144 port virtual switch
    • EVB, VEPA, Flex10, VNTag
    • 336 virtual MAC addresses
     

    FCoE:

    • Full HBA FCoE (initiator or target)
    • Open-FCoE Offload (initiator)
    • CRC32 offload generation and verification
    • Ingress and egress access control list (ACL)
     

    iSCSI acceleration:

    • Full iSCSI initiator and target mode stack
    • CRC32 offload generation and verification
    • iSCSI proxy switching based on SCSI CDB
    • Full HBA offload
     

    TCP/IP full offload:

    • Full TCP implementation including IPv4 and IPv6
    • Microsoft Chimney support
    • Extensive RFC compliance, fully featured stack
    • Full TCP proxy between any set of connections
    • VLAN support of up to 4096 different VLAN IDs
    • Load balancing and failover capabilities
     

    Stateless offloads:

    • TCP/UDP checksum offload for IPv4 and IPv6
    • TSO, LSO, and GSO for IPv4 and IPv6
    • VLAN filtering, insertion, and extraction
    • Line-rate packet filtering and attack protection
    • Fine granularity time stamping (down to 4 ns)
    • Ethernet routing (packet header rewrite)
    • Packet tracing and packet sniffing
     

    Ethernet standards support:

    • IEEE 802.3ae (10 GbE)
    • IEEE 802.3z (1 GbE) compliant
    • IEEE 802.IP priority
    • IEEE 802.IQ VLAN tagging
    • IEEE 802.1Qbg EVB/VEPA
    • IEEE 802.1Qbh VNTag
    • IEEE 802.3x flow control
    • IEEE 802.3ad load-balancing and failover
    • Ether II and 802.3 encapsulated frames
    • Multiple MAC addresses per interface
    • Jumbo frames up to 9.6 Kbytes

     

     

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