39
Server Adapters. At the time of IT administrators. For iSCSI When considering an Ethernet
this publication, the Cisco these benefits include, but are fabric for storage traffic, IT
TECHNOL
Nexus 5000 switches, QLogic not limited to: administrators need to
converged network adapters ring6 Use of existing Ethernet carefully weigh the benefits of
(CNAs) and Emulex converged fabrics (FCoE requires a FCoE against iSCSI and determine
network adapters (CNAs) were dedicated 10GbE which protocol best fits their
OGY
generally available. datacenter Ethernet fabric) needs now and into the future.
ring6 Ability to route traffic and
Over the next several quarters, transmit over long Business Impact
we expect that many customers distance, IP connections When considering the business
will want to deploy FCoE in test (Disaster Recovery, Remote impact of FCoE, it is important
bed and proof-of-concept Replication, etc.) to keep in mind that FCoE
F
environments. requires a new, DCB-enabled
CoE
ring6 Use of common
management tools for Ethernet fabric. The cost of
Over time, as FCoE becomes Ethernet Fabrics (e.g., this fabric will vary between
more widely adopted, companies SNMP-based applications suppliers, but we expect that
will see vendors broaden their that are already deployed many suppliers will charge a
portfolios to deliver customer for Ethernet) premium for FCoE over their
choice for this technology. ring6 Ability to deploy lower similar, and more traditional,
cost GbE or multi-GbE 10GbE solutions. Switches and
iSCSI & FCoE connections where server adapters will likely both
We at Dell believe that iSCSI needed, such as at the incur this premium.
and FC will co-exist in data server/initiator,
centres moving forward, as concurrently with 10GbE Conversely, the ability to add
there is a portion of the IT connections, such as at additional FCoE-enabled servers
sector that, for the foreseeable the array and connect legacy FC arrays
future, will find FC-based FCoE benefits include, but are may have material cost savings
solutions desirable. This sector not limited to: for some customers who have
tends to be in the high end ring6 Use of existing Fibre extensive FC deployments.
of the storage segment where Channel management
IT administrators demand tools While FCoE products coming to
FC-based solutions and have ring6 Integration of existing market are being developed by
currently deployed FC management Fibre Channel arrays into established storage and networking
systems that can benefit from FCoE environments providers, it is anticipated that
the commonalities of FCoE and IT administrators will want to
traditional FC. Below is a table that test these solutions extensively
summarises additional and ensure that this new
There are certain advantages differences between FCoE and technology meet their needs.
that each technology offers to iSCSI.
Organisations both
large and small
should look to
vendors who
continue to offer
traditional FC and
iSCSI solutions to
meet both immediate
and long-term
storage needs.
TABLE 1: FCoE and iSCSI Comparison
www.dell.com
WWW.SNS-UK.CO.UK OCT 09
Page 1 |
Page 2 |
Page 3 |
Page 4 |
Page 5 |
Page 6 |
Page 7 |
Page 8 |
Page 9 |
Page 10 |
Page 11 |
Page 12 |
Page 13 |
Page 14 |
Page 15 |
Page 16 |
Page 17 |
Page 18 |
Page 19 |
Page 20 |
Page 21 |
Page 22 |
Page 23 |
Page 24 |
Page 25 |
Page 26 |
Page 27 |
Page 28 |
Page 29 |
Page 30 |
Page 31 |
Page 32 |
Page 33 |
Page 34 |
Page 35 |
Page 36 |
Page 37 |
Page 38 |
Page 39 |
Page 40 |
Page 41 |
Page 42 |
Page 43 |
Page 44