HP ProLiant G7 c-Class server blades with Intel® Xeon® processors

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simultaneously processing application instructions and transferring data to or from the network.

on and repetitive tasks of TCP/IP network traffic. This effectively

rking

alled. With the delivery of Windows Server 2008, the TCP/IP Offload Chimney that

em.

delivery. Additionally, R

SS dynamically adjusts incoming traffic as the system load varies. As a result,

ork traffic running on a multi-processor server will benefit. RSS is

erver CPU.

Accelerated iSCSI is enabled by the HP ProLiant Essentials Accelerated iSCSI Pack that is used with

nction NICs in Windows and Linux environments.

737m Gigabit Ethernet

adapters. iSCSI boot allows the host serv

er to boot from a remote OS image located on a SAN within

environment. The host server uses an iSCSI firmware image (iSCSI boot

ass

enclosures that simplifies the setup and administration of server connections. For a listing of HP Virtual

18004.www1.hp.com/products/blades/virtualconnect/index.html

Compu

ters most susceptible to this problem are application servers, web servers, and file servers that

have many concurrent connections.

The ProLiant TCP/IP Offload Engine (TOE) for Windows speeds up network-intensive applications by

offloading TCP/IP-related tasks from the processors onto the network adapter. TOE network adapters

have on-board logic to process comm

eliminates the need for the CPU to segment and reassemble network data packets. Eliminating this

work significantly increases the application performance of servers attached to gigabit Ethernet

networks.

TOE is included on integrated Multifunction Gigabit Ethernet adapters and optional multifunction

mezzanine cards. It is supported on Microsoft Windows Server 2003 when the Scalable Netwo

Pack is inst

shipped in the Scalable Networking Pack is included as part of the latest Windows operating syst

Receive-side Scaling (RSS)

SS balances incoming short-lived traffic across multiple processors while preserving ordered packet

any application with heavy netw

independent of the number of connections, so it scales well. This makes RSS particularly valuable to

web servers and file servers handling heavy loads of short-lived traffic.

For RSS support on servers running Windows Server 2003, Scalable Networking Pack must be

installed. Windows Server 2008 supports RSS as part of the operating system.

iSCSI Acceleration

Acc

elerated iSCSI offloads the iSCSI function to the NIC rather than taxing the s

certain embedded Multifu

iSCSI boot for Linux

iSCSI boot for Linu

x is available on BladeSystem NC370i, NC373i, and NC

a Red Hat or SUSE Linux

option ROM), making the remote disk drive appear to be a local, bootable C: drive. Administrators

can configure the server to connect to and boot from the iSCSI target disk on the network. It then

downloads the OS image from the iSCSI target disk. The HP iSCSI boot solution also includes scrip

to significantly simplify the installation process. Adding an iSCSI HBA card is not required.

Virtual Connect and Flex-10

Virtua

l Connect technology is a set of interconnect modules and embedded software for c-Cl

Connect components, go to

http://h .

ule, because the Virtual Connect Manager software runs on a

Virtual Connect implements server-edge virtualization so that server administrators can upgrade,

replace, or move server blades within their enclosures without changes being visible to the external

LAN and SAN environments. HP recommends using Virtual Connect or managed switches to redu

cabling and management overhead.

Like Ethernet and Fibre Channel switches, Virtual Connect modules slide into the interconnect bays o

c-Class enclosures. To support the Virtual Connect Fibre Channel module, the enclosure must have at

least one Virtual Connect Ethernet mod

processor that resides on the Ethernet module (or the Virtual Connect FlexFabric module).