Nicole Aguillard is Marketing Director of CyrusOne, a global enterprise colocation provider operating 23 highly secure data centers across the United States, London and Singapore. Learn more about Enterprise Data Centers by visiting http://www.cyrusone.com/index.php?do=home.services&sp=data_center_services.
2. ENTERPRISE DATA CENTER
N+1 AND 2N OPTIONS FOR POWER REDUNDANCY
Power is critical element in every enterprise data center and directly affects the level of systems
availability.
There are key power components that it exist in a data center:
» The main power source from the utility;
» The back-up generator;
» The uninterruptible power supply (UPS);
» The power distribution unit (PDU);
» The rack level PDU; and
» The internal power supplies in each server.
Redundancy in enterprise data centers refers to increasing the reliability of these critical power
components.
3. ENTERPRISE DATA CENTER
N+1 AND 2N OPTIONS FOR POWER REDUNDANCY
Power outages can result from;
» Weather conditions
» Equipment failure
» Power line damage; or
» Number of other causes.
Any unplanned outage can have detrimental effects and can incur significant financial losses and
customer goodwill.
Because of these substantial risks, enterprise data centers must provide sufficient redundancy to
address any unexpected power outages.
Redundancy may be in the form of N+1 and /or 2N redundancy systems.
4. ENTERPRISE DATA CENTER
N+1 AND 2N OPTIONS FOR POWER REDUNDANCY
Defining N+1 and 2N Redundancy Options
Enterprise data centers will all offer some form of redundancy. However, companies must understand
exactly how the redundancy system is configured.
The N+1 option makes sure that a UPS is always available.
Because the system is run on two separate feeds, system failure can still occur.
The 2N redundancy means the enterprise data center has double the amount of equipment needed.
Any power outages will have no adverse effect on data center availability.
An enterprise data center with 2N redundancy is often required for mission environments.
5. ENTERPRISE DATA CENTER
N+1 AND 2N OPTIONS FOR POWER REDUNDANCY
Does Ever y Company Need 2N Redundancy?
All companies should select an enterprise data center with 2N redundancy.
A viable trade-off is to select an enterprise data center with both N+1 and 2N redundancy options.
Fully understanding the configuration of the redundancy options is important in selecting and
enterprise data center.
6. ABOUT THE AUTHOR
NICOLE AGUILLARD IS MARKETING DIRECTOR OF CYRUSONE, A GLOBAL
ENTERPRISE COLOCATION PROVIDER OPERATING 23 HIGHLY SECURED
DATA CENTERS ACROSS THE UNITED STATES, LONDON AND SINGAPORE.
LEARN MORE ABOUT ENTERPRISE DATA CENTERS BY VISITING
HTTP://WWW.CYRUSONE.COM/INDEX.PHP?DO=HOME.SERVICES&SP=DATA_CENTER_SERVICES
.