Beyond just the appliances, building redundant data centers and connectivity was also out of reach for many organizations. Historically, HA was high effort and high cost as appliances-based solutions required nearly 2x investment to create HA pairs. If this makes sense to you and you don’t currently have HA in all the locations and capabilities that are critical to your business, it is important to understand why this may be. Connectivity should then utilize the best path across multiple ISPs, connecting to the best point of presence (with a suitable backup PoP nearby as well) and finally across a middle-mile architected for HA and performance (a global private backbone if you will). Starting with the location, simple, low-cost, zero-touch devices should be able to easily form HA pairs. With SASE and SSE solutions, vendors often focus on the availability SLA of the service, but modern access requires a broader application of HA across the entire solution.
The adoption of the cloud makes high availability more critical than ever, as users and systems now require reliable, secure connectivity to function.
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You can read more on how to calculate the cost of an outage to your business here: Gartner. Obviously, this varies greatly between organizations based on a variety of factors specific to your business and environment. The cost range of an unplanned outage ranges from $140,000 to $540,000 per hour. SASE Instant High Availability and Why You Should Care High availability may be top of mind for your organization, and if not, it really should be.
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