Cloud Architecture

1 tutorials · 8 guides

Tutorials

How to Connect Two Raff VMs with a Private VPC Network

Connect two Raff VMs over a private VPC on Ubuntu 24.04. Verify private routing, firewall rules, service access, throughput tests, and safe cleanup.

Apr 22, 202617 min read

VPCPrivate NetworkingUbuntu 24.04

Guides

For: Developers, founders, DevOps engineers, MSPs, and platform teams designing private networking and workload isolation for multi-VM cloud applications.

VPC Architecture for Multi-VM Applications: Private Network Design

Design VPC architecture for multi-VM applications: private network isolation, CIDR planning, routing, NAT, DNS, service rules, VPN connectivity, and recovery.

Aug 11, 202616 min read

VPCPrivate NetworkingCloud Architecture

For: Developers and platform teams deciding whether to scale up one VM or scale out across multiple application or worker nodes.

Horizontal vs Vertical Scaling: Scale Up vs Scale Out

Compare horizontal vs vertical scaling and scale up vs scale out for cloud applications, including examples, state, databases, availability, and operational trade-offs.

Aug 10, 202614 min read

Horizontal ScalingVertical ScalingScale Up

For: Founders and developers deciding whether to resize a VM disk or add separate persistent storage

When to Add a Volume Instead of Resizing a VM Disk

Learn when to add block storage instead of resizing a VM disk, including databases, Docker data, object storage, recovery boundaries, and cost.

Aug 8, 20269 min read

Block StorageVolumesVM Storage

For: Developers, founders, and platform teams deciding when and how to move from one application server to a multi-node traffic-distribution architecture.

Load Balancing Explained: L4, L7, Health Checks, and Failover

Learn load balancing: L4 vs L7, health checks, connection draining, failover, state, TLS, private backends, and when multi-node applications need traffic distribution.

Aug 7, 202616 min read

Load BalancingNetworkingHigh Availability

For: Developers, founders, DevOps engineers, and sysadmins deciding how to route, secure, scale, and keep cloud applications available.

Reverse Proxy vs Load Balancer: Differences, Use Cases & Architecture

Compare reverse proxies and load balancers across Nginx, L4/L7 routing, TLS, health checks, state, private backends, failover, and multi-node architecture.

Jul 25, 202616 min read

NetworkingLoad BalancingReverse Proxy

For: Developers, system administrators, and platform teams planning IPv4, IPv6, or dual-stack connectivity for cloud-hosted applications

IPv4, IPv6, and Dual-Stack Networking for Cloud Servers

Compare IPv4, IPv6, and dual-stack networking for cloud servers, including DNS, firewalls, application binding, monitoring, and migration planning.

Apr 13, 202614 min read

NetworkingIPv6IPv4

For: Developers, founders, SaaS teams, and small platform teams deciding when an application should stay on one server or move to a multi-server architecture.

Single Server vs Multi-Server Architecture: When to Scale Out

Compare single server vs multi-server architecture, including when to split databases and workers, when to add app nodes, and when scaling up is still the simpler choice.

Mar 28, 202616 min read

Single ServerMulti-Server ArchitectureMulti-Server Setup

For: Developers, founders, QA teams, and small platform teams designing development, preview, staging, and production environments while balancing release safety and infrastructure cost.

Staging vs Production vs Development Environments: Key Differences

Compare staging vs production vs development environments: purpose, data, secrets, release gates, parity, preview environments, cost, and hosting.

Mar 21, 202617 min read

DevOpsStagingProduction

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