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11 High Availability
A reliable Internet connection has become a mission critical requirement for today's modern
business. Internet connections today are used for accessing important real-time data for
decision-making, reaching E-commerce customers, connecting with business partners, and
extending communications across the distributed enterprise.
The loss of this mission critical connection can have serious, and sometimes disastrous,
consequences on an organization.The following applications are examples of the mission critical
nature of an Internet connection today:
•
An Internet connection that provides customer access to an e-commerce site. In this case,
connection downtime results in lost revenue.
•
An Internet connection used to connect to business partners or an application service
provider (ASP). Connection downtime can significantly disrupt business activities.
•
Internet connections that provide access to critical resources for remote offices,
telecommuters and mobile workers. Connection downtime can result in lower productivity
for remote users.
Given the mission critical nature of many Internet connections, each element of the Internet
connection needs to be highly reliable. SonicWALL High Availability adds to the
award-winning SonicWALL Internet security solution by assuring a highly reliable and secure
connection to the Internet.
SonicWALL High Availability is standard on the SonicWALL product line. SonicWALL High
Availability eliminates network downtime by allowing the configuration of two SonicWALLs
(one primary and one backup) as a High Availability pair. In this configuration, the backup
SonicWALL monitors the primary SonicWALL and takes over operation in the event of a failure.
This ensures a secure and reliable connection between the protected network and the Internet.
Note: If WAN Failover is enabled, you cannot configure High Availablity for the TELE3 SP.
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