NETWORKING—SECURITY—UPS—STORAGE
Opinion
Coverged
and cost-effectively. Cloud
communications
computing users can gain even
and storage
greater advantages from mobile
By nature, Cloud computing
virtual machines when they can
networks will carry a massive
amount of data. Therefore,
convergence will be vital to
cost-effectively building out,
“
Server-by-server
management is simply
maintaining, and managing a
cloud computing infrastructure. not practical when
No one wants separate LAN and
SAN infrastructures when one
a network is handling
will do the job. And with the
a trillion packets
availability of Network Attached
Storage (NAS), iSCSI and Fibre
per second. All
Channel over Ethernet (FCoE),
management tools
that network is certain to be
Ethernet. Also vital: FCoE must must be scalable and
be deployed with loss-less
characteristics to ensure that
replicable to minimise
storage traffic is delivered
administrator effort."
reliably and in a timely manner.
A loss-less implementation will
Charles Ferland: “Cloud computing users can gain even
also add the benefit of increasing
be moved not only within a
greater advantages from mobile virtual machines when they
TCP/IP traffic efficiency.
Cloud, but over greater distances
can be moved not only within a Cloud, but over greater
to connect multiple Clouds.
distances to connect multiple Clouds.”
Movement between Clouds
Mobile enables applications such as
virtual machines disaster recovery and data moving policies along with virtual simply not practical when a
One of the main advantages of replication. Moving running virtual machines requires extensive network is handling a trillion
Cloud computing is on-demand machines has traditionally been manual configuration and carries packets per second. All
access to resources, and a complex task because of the a significant opportunity for management tools must be
virtualisation plays a key role in time-consuming requirements misconfiguration and security scalable and replicable to minimise
providing those resources. This of moving the network-level breaches if not implemented administrator effort. Real-time
advantage of on-demand policies associated with each correctly. In the fluid Cloud metrics, ready navigation through
resources can be greatly magnified virtual machine to its new location. environment, administrators logical resource groupings, and
with the ability to move virtual These policies govern factors need tools that can manage the ability to quickly drill down to
mobile virtual machines with see problem areas are important
“
their associated policies, and features of managing Cloud
Without a virtualisation-aware network,
scale to potentially tens of computing networks.
moving policies along with virtual machines
thousands of physical servers.
Such tools and the ability to
requires extensive manual configuration
automate mobile virtual machine Advanced
management will be critical to energy efficiency
and carries a significant opportunity for
administrator productivity. Power is one of the biggest
misconfiguration and security breaches if not
expenses facing data centre
managers today. New environ -
implemented correctly.”
Scalable mental mandates, combined with
management tools rising energy costs and demand,
machines between physical such as security and Quality of Outside the realm of virtual are forcing administrators to focus
servers while applications Service (QoS). The policies differ machine management, on green initiatives. As Clouds
continue to run. An infrastructure based on the users and applications, administrators also need basic grow to thousands of servers and
with mobile, active virtual making their movement with the management tools that can scale beyond, per-component power
machines can respond to new virtual machine critical. Without to Cloud computing proportions. savings will be magnified into vital
requirements much more quickly a virtualisation-aware network, Server-by-server management is budget reductions. circlesolid
www.itrportal.com
IT RESELLER – SEPTEMBER 2009 53
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