Introduction
Rev 1.5
11
Mellanox Technologies
1.3
Operating Systems/Distributions
• RHEL/CentOS
• Windows
• FreeBSD
• VMware
• OpenFabrics Enterprise Distribution (OFED)
• OpenFabrics Windows Distribution (WinOF-2)
RDMA and RDMA over
Converged Ethernet (RoCE)
ConnectX-5, utilizing IBTA RDMA (Remote Data Memory Access) and RoCE
(RDMA over Converged Ethernet) technology, delivers low-latency and high-
performance over Band and Ethernet networks. Leveraging data center bridging
(DCB) capabilities as well as ConnectX-5 advanced congestion control hard-
ware mechanisms, RoCE provides efficient low-latency RDMA services over
Layer 2 and Layer 3 networks.
Mellanox PeerDirect™
PeerDirect™ communication provides high efficiency RDMA access by elimi-
nating unnecessary internal data copies between components on the PCIe bus
(for example, from GPU to CPU), and therefore significantly reduces applica-
tion run time. ConnectX-5 advanced acceleration technology enables higher
cluster efficiency and scalability to tens of thousands of nodes.
CPU Offload
Adapter functionality enabling reduced CPU overhead allowing more available
CPU for computation tasks.
Open VSwitch (OVS) offload using ASAP
2(TM)
•
Flexible match-action flow tables
•
Tunneling encapsulation / decapsulation
Quality of Service (QoS)
Support for port-based Quality of Service enabling various application require-
ments for latency and SLA.
Hardware-based I/O
Virtualization
ConnectX-5 provides dedicated adapter resources and guaranteed isolation and
protection for virtual machines within the server.
Storage Acceleration
A consolidated compute and storage network achieves significant cost-perfor-
mance advantages over multi-fabric networks. Standard block and file access
protocols can leverage
InfiniBand
RDMA for high-performance storage
access.
•
NVMe over Fabric offloads for target machine
•
Erasure Coding
•
T10-DIF Signature Handover
SR-IOV
ConnectX-5 SR-IOV technology provides dedicated adapter resources and
guaranteed isolation and protection for virtual machines (VM) within the
server.
High-Performance
Accelerations
•
Tag Matching and Rendezvous Offloads
•
Adaptive Routing on Reliable Transport
•
Burst Buffer Offloads for Background Checkpointing
a. This section describes hardware features and capabilities. Please refer to the driver release notes for feature availabil-
ity. See
.
Table 4 - Features
a
