Converged Network Adapters (CNAs)

Converged Network Adapters (CNAs) Overview

What are Converged Network Adapters?

A converged network adapter (CNA) is a dual-function network appliance for consolidating IT setups. CNAs achieve this by connecting servers to an FC-based storage area network (SAN), and to an Ethernet-based local area networks (LAN). The hardware itself connects to the server through a PCIe interface. Essentially it spares IT managers the need for two separate adapters.

Benefits of Converged Network Adapters (CNA):

Converged network adapters supply the following advantages:

  • Contain all basic NIC features

  • Singularly provide Ethernet, iSCSI, and Fibre Channel (FC) connectivity

  • Lossless data integrity

  • Software-defined networking (SDN) programmable

  • Reduce needed power, fewer necessary cables

  • Reduce impact of overlay network

  • Overlay network hardware offload

  • Support DPDK with benefit for packet processing acceleration

  • Support high performance virtualization over NIC

  • Remote direct memory access (RDMA) for data acceleration

  • FCoE & iSCSI hardware offload

Pricing Information

Converged network adapters present a single up-front cost. The cost for a new appliance ranges from $150 to $500. However used and refurbished adapters are available from some vendors and resellers.

Converged Network Adapters (CNAs) Products

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Broadcom OneConnect (formerly Emulex OneConnect)
Broadcom's OneConnect is a series of converged network adapter (CNA), which was formerly known as Emulex OneConnect but was acquired by Broadcom.
Broadcom CNA
Broadcom in Irvine, California offers CNA (converged network adapters).
Intel Ethernet Converged Network Adapter X540
The Intel Ethernet Converged Network Adapter X540 is, as the name would suggest, a line of converged network adapter (CNA) from Intel.
HP StoreFabric Converged Network Adapters
HP StoreFabric Converged Network Adapters are Hewlett-Packard's line of dual port adapters.
Cisco Unified Computing System Adapters (UCS VICs)
Whether you are using blade, rack, or storage servers, Cisco's Unified Computing System Adapters (UCS) Virtual Interface Card (VIC) provides connectivity. Cisco also offers other adapters to meet your needs like PCIe flash storage and GPUs.
ATTO FastFrame Converged Network Adapters
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ATTO Technology headquartered in New York offers the FastFrame line of Converged Network Adapters (CNAs).
CenturyLink Enterprise Voice SIP Services
CenturyLink® Enterprise Voice SIP Services provide Dedicated LD and/or Toll-Free Service using a SIP connection. These services leverage our network footprint in the U.S., EMEA and LATAM to provide more than a point solution for customers solving for operational and efficiency challenges. • Enterpr…