HP ProLiant SE2170s ISS Technology Focus, Volume 10, Number 2
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- HP ProLiant SE2170s | ISS Technology Focus, Volume 10, Number 2 - Page 1
2 ISS Technology Focus, Volume 10, Number 2 Facts about the IEEE 802.1Qbg proposal 1 Optimizing SSD performance with HP Smart Array controllers 4 Meet the Expert-Kevin Leigh ...5 Recently published Industry-Standard Server technology papers 6 Contact us...6 Facts about the IEEE 802.1Qbg proposal - HP ProLiant SE2170s | ISS Technology Focus, Volume 10, Number 2 - Page 2
base the mechanism on some iteration of the EVB standard. Disagreement occurs over: The implementation techniques The effect on physical assets (cost, performance, reliability) Whether server ) Discovery Support for multiple channels on one physical link Virtual Ethernet Port Aggregator HP is leading - HP ProLiant SE2170s | ISS Technology Focus, Volume 10, Number 2 - Page 3
no frame format changes, and minimal IEEE specification changes. VEPA also performs better than VEB. VEPA offloads network services, like firewalling, to an external hardware-based bridge that can perform standard network services. Offloading network services reduces the burden on CPUs and improves - HP ProLiant SE2170s | ISS Technology Focus, Volume 10, Number 2 - Page 4
it enabled and disabled to verify the best performance. Additional resources Resource Configuring Arrays on HP Smart Array Controllers Reference Guide HP Smart Array controller technology URL http://bizsupport1.austin.hp.com/bc/docs/support/SupportManual/c02289 065/c02289065.pdf http://h20000.www2 - HP ProLiant SE2170s | ISS Technology Focus, Volume 10, Number 2 - Page 5
Channel bus timings specification. His notable contributions at HP include the first ProLiant DL360 server and the BladeSystem c-Class infrastructure architecture. Gene Freeman, Kevin's manager, says, "Kevin has been a fundamental contributor to two of our most successful products [the DL360 and - HP ProLiant SE2170s | ISS Technology Focus, Volume 10, Number 2 - Page 6
ProLiant servers, 2nd edition HP Power Capping and HP Dynamic Power Capping for ProLiant servers HP ProLiant DL585 G7 server technology HP Smart Array Controller technology HP ProLiant DL2000 server technologies Implementing Microsoft® Windows® Small Business Server 2011 on HP ProLiant servers HP
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ISS Technology Focus, Volume 10, Number 2
Facts about the IEEE 802.1Qbg proposal
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1
Optimizing SSD performance with HP Smart Array controllers
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4
Meet the Expert
—
Kevin Leigh
................................................................................................................
5
Recently published Industry-Standard Server technology papers
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6
Contact us
...........................................................................................................................................
6
Facts about the IEEE 802.1Qbg proposal
The Edge Virtual Bridging (EVB) standard is at the heart of industry efforts to standardize virtualization at the server-network
edge where the server domain ends and the external network domain begins. The proposed EVB standard, identified by the
IEEE802.1 Work Group as IEEE802.1Qbg, is an initiative led by HP with contributions and support from a consortium of
companies that include IBM, Broadcom, QLogic, Emulex, and others. You can find detailed specifications for EVB at
. The following sections explain the need to standardize the operation
and management of virtual networks and describe the components of EVB.
Virtual networks, the server-network edge, and EVB
The proliferation of virtual machines (VMs) has brought about a dramatic increase in the number of network connections
passing between the VM/hypervisor environment and the physical end station, usually a physical NIC or CNA device, in
each host server. Complex networks and network services have traditionally existed upstream
of the server’s physical NIC at
the server-network edge. These networks are now virtual, existing within the physical server and beyond the control of
network administrators using traditional network tools.
Currently, most hypervisors use some form of Virtual Ethernet Bridge (VEB), or virtual Ethernet switch, to connect VMs to the
external network. A VEB can also support internal connections between local VMs within a single physical server. This VM-
to-VM traffic is invisible to standard network policy enforcement. We must enhance VEBs to provide access for network
controls comparable to those found in physical networks.