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Building secure enterprise cloud networks, one joint effort at a time.

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I write my min time to time. Only when it can provide a value and simplify a complex concept.

Azure Cloud native Azure Route Server is designed to simplify dynamic routing between network virtual appliances (NVAs) and ExpressRoute or VPN Gateways. However, it has several limitations: Azure Route Server Limitations Reference: https://learn.microsoft.com/en-us/azure/route-server/route-server-faq#limitations Azure Route Server, while providing significant capabilities for route management within a virtual […]
Cisco bought Isovalent. Isovalent developed a product called “Cillium”. Cillium uses a technology called eBPF. What eBPF does is make the Linux kernel extensible. You can control the Linux kernel without rebuilding it. Many companies and vendors use eBPF including Aviatrix for its Distributed Cloud Firewall […]
I attended Kubecon 2024 last week in Salt Lake City. It was a great show, with a lot of Platform Engineers and developers in attendance. Reflecting on my initial encounter with Containers and Kubernetes when I was part of VMware in 2017, when Containerization and Kubernetes […]

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Design Principles

Designing Cloud Network requires following the Well-Architected framework design pillars. Remember CRAMPS.

cost

Cost optimization is key for cloud networks. Pay special attention to Egress Charges

recoverability

Recover from failure by building multi region applications. For DR scenarios, consider multiple clouds.

availability

Build Active Active links with automatic failure options in the network. Don’t forget the hybrid connections.

MANAGEABILITY

Manage network with IaC (Infrastructure as Code) options such as Terraform. Single pane for visibility is the key.

PERFORMANCE

Performance of the network must be planned. Do not rely only on the auto scale features to optimize for performance.

Security

Security must be part of the network. Follow Zero-Trust Network Architecture approach.

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