In VMware Cloud Foundation (VCF) 5.2, design qualities (non-functional requirements) categorizehowthe system operates. The network team’s requirements focus on redundancy and routing diversity, which the architect must classify. Let’s evaluate:
Option A: Availability
This is correct. Availability ensures the solution remains operational and accessible. “N+N redundancy” (e.g., dual active components where N failures are tolerated by N spares) for physical networking components eliminates single points of failure, ensuring continuous network uptime. “Diversely routed inter-datacenter links” prevents outages from a single path failure, enhancing availability across sites. In VCF, these align with high-availability network design (e.g., NSX Edge uplink redundancy), makingavailabilitythe proper classification.
Option B: Performance
Performance addresses speed, throughput, or latency (e.g., “10 Gbps links”). Redundancy and diverse routing might indirectly support performance by avoiding bottlenecks, but the primary intent is uptime, not speed. This doesn’t fit the stated requirements’ focus.
Option C: Recoverability
Recoverability focuses on restoring service after a failure (e.g., backups, failover time). N+N redundancy and diverse routingpreventdowntime rather than recover from it. While related, the requirements emphasize proactive uptime (availability) over post-failure recovery, making this incorrect.
Option D: Manageability
Manageability concerns ease of administration (e.g., monitoring, configuration). Redundancy and routing diversity are infrastructure design choices, not management processes. This quality doesn’t apply.
Conclusion:The architect should classify the requirement asAvailability (A). It ensures the VCF solution’s network remains operational, aligning with VCF 5.2’s focus on resilient design.
References:
VMware Cloud Foundation 5.2 Planning and Preparation Guide (Section: Design Qualities)
VMware Cloud Foundation 5.2 Architecture and Deployment Guide (Section: Network Availability)
