Connectivity
Multiplexing (DWDM) technology with However, in terms of pricing,
Synchronous Digital Hierarchy (SDH) business continuity, and travel
transmission standards and highly arrangements, location is still
resilient Bi-directional Line Switched important.
Rings (BLSRs). These advances allow
Viatel to offer DataCentre operators Q Software-as-a-service is
clear channel circuits at speeds up to gaining significant momentum.
10 Gbit/s supporting both STM64 What are the implications, if any,
and 10GB Ethernet services. We plan for the data centre’s
to offer 40Gbit/s services in the infrastructure/demands placed on
future.. it?
Q There seems to be a growing
A
Most notably, SaaS will result in
acceptance of moving data centre perpetual traffic between the
locations away from ‘high density Datacentre and the user location and
business areas’, are there any therefore demand higher bandwidth
downsides to this approach? links. It can be viewed as an
extension of the LAN into the WAN.
Q There is some suggestion that
A
There are very few downsides to The net result of a surge in SaaS
major cities are running out of dark ‘out of town’ Datacentres. Circuit users will result in greater revenue
fibre, thanks in part due to the lengths can be longer to existing per rack for Datacentres operators,
bandwidth hungry applications they facilities, and although travel to the however, this does also mean that
are now expected to support in the premises can take longer, much of racks will require higher power and
‘Digital Age’ – how real is this the management / administration can cooling requirements supported by
problem now/and how much of a be handled remotely. On the flip side, improved uptime assurances and
problem might it be in the future? travelling into London can also be SLAs. Fundamentally, SaaS will
difficult and expensive, so many require DataCentre operators to
A
I definitely wouldn’t agree that companies may actually find it faster design and build higher specification
the country is running out of to get to a Datacentre further out of facilities.
bandwidth. A number of Service town. Furthermore, with London
Providers are upgrading their optical being a high-risk area for the Q Business continuity/disaster
transmission equipment so that worsening security climate, there is recovery – obviously critical issues,
Datacentres can get much higher huge demand for data centre space but is the vendor community guilty
bandwidths over the same outside of London, so that if any or not of overplaying this one, or
infrastructure. problems occur in the city, network are businesses guilty of not taking
applications are unaffected. Renting the issue seriously enough when
Q Any observations to make space in a Datacentre outside of planning their data backup/restore
about the relative performance and London may represent greater value strategies?
cost issues surrounding fibre and for money, and these savings will
copper at the present time and into percolate through into end-user
A
Absolutely not. It is an
the future? savings. unfortunate fact of modern life that
we do have a number of challenges
A
The bandwidth speeds being Q In other words, does a Data to ‘employee uptime’ today. With the
achieved over copper and fibre have centre’s physical location matter adverse security climate, companies
improved incredibly over the past few any more? do need to seriously consider where
years with many advances still to be their business-critical data is stored.
implemented by the Service
A
In terms of network performance, Furthermore, with events like
Providers. For example, VTL Wavenet frequently not, although with Buncefield occurring every few years,
has used existing European Fibre particularly sensitive real time affecting even large companies,
routes and upgraded the optical applications end-users may wish to safely locating crucial servers can
transmission equipment using baseline performance before often be key to the success or failure
Huawei Dense Wave Digital committing to a long term contract.. of a business.
September 2008 www.datacentresols.com | DATA CENTRE SOLUTIONS | 37
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