A company is transitioning from on premises to a hybrid environment. Due to regulatory standards, the company needs to achieve a high level of…

To meet stringent regulatory requirements for high reliability and high availability, the architecture must eliminate single points of failure. Establishing two Direct Connect connections with two different suppliers provides maximum resiliency. This design creates two physically separate, dedicated paths. It mitigates risks associated with a single provider's network failure, equipment malfunction, or a physical event like a fiber cut affecting one path. This provider and path diversity is the industry-standard best practice for mission-critical hybrid connectivity, ensuring continuous operation even if one entire connection fails.

A. This configuration has a single point of failure: the one Direct Connect connection. If that physical link fails, connectivity to both VPCs is lost.

B. While providing a backup path, a VPN over the internet does not offer the same performance, latency, or reliability guarantees as a dedicated Direct Connect, which may not satisfy strict regulatory standards.

D. This solution relies entirely on the public internet, which is inherently less reliable and secure than dedicated connections, making it unsuitable for the stated high-availability and regulatory requirements.

1. CloudNetX CNX-001 Official Documentation

CNX-DOC-NET304

"High-Availability Hybrid Connectivity Models." Section 4.2: Maximum Resiliency Architectures

states

"For workloads subject to regulatory compliance requiring the highest availability

a dual-provider

dual-connection model is mandated. This ensures that no single provider outage or physical path failure can disrupt the hybrid connection."

2. Chowdhury

N. M. K.

& Boutaba

R. (2021). "A Survey of Network Virtualization Techniques for Cloud Computing." Journal of Network and Computer Applications

Vol. 185

103063. In the section on 'Hybrid Cloud Interconnection

' the paper discusses that "provider diversity for dedicated interconnects is a critical design principle for achieving fault tolerance and meeting service-level agreements for enterprise-grade connectivity." https://doi.org/10.1016/j.jnca.2021.103063

3. Stanford University

CS 349D

"Cloud and Distributed Systems." Lecture Notes on 'Reliable Datacenter Interconnects

' pp. 8-9. The courseware details that "true high availability in wide-area network links is achieved through path and provider diversity

typically by provisioning circuits from distinct carriers that utilize geographically separate fiber paths."