L2 - Arista’s Universal Cloud Network (UCN) Architecture

Question 1

What is Arista’s Universal Cloud Network (UCN) Architecture, and what are the key principles that underlie its design?

Answer 1

Answer: Arista’s UCN Architecture is a network design framework that is tailored for cloud environments, providing a highly scalable and resilient infrastructure. It is built on the principles of leaf-spine topology, automation, open standards, and VXLAN. UCN simplifies network management, enhances agility, and ensures scalability to meet the dynamic needs of cloud-based applications.

Explanation: This question evaluates the candidate’s understanding of UCN architecture, its core principles, and its alignment with cloud networking requirements.

Question 2

How does Arista’s UCN architecture contribute to improving the efficiency and performance of cloud networks?

Answer 2

Answer: UCN Architecture improves efficiency by eliminating network bottlenecks, ensuring low-latency communication, and allowing for automated provisioning and scaling. It also enhances network resiliency through features like MLAG and spine redundancy, which lead to high availability and uninterrupted service delivery.

Explanation: This question assesses the candidate’s ability to connect UCN Architecture with improvements in network efficiency and performance in a cloud environment.