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Cisco ASA: All-in-One Firewall, IPS, and VPN Adaptive Security Appliance by Omar Santos, Jazib Frahim - CCIE No. 5459

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Chapter 11. Failover and Redundancy

With more organizations moving toward e-commerce, their dependence on both LANs and WANs have increased drastically. They cannot afford to lose connectivity with their core servers in the network infrastructure. This connectivity loss could cause multimillion-dollar revenue losses per minute. Consequently, organizations want to deploy and maintain reliable network devices to ensure nonstop availability and nearly 100 percent uptime. This is accomplished by implementing layers of redundant devices to prevent interruption should any network component fail.

Because Cisco Systems ...

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