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B2B Engineering Insights & Architectural Teardowns

Latency-aware proxy vs DNS: how to balance S3 load

DNS round-robin stops working under load when clients start caching responses. Agoda faced this issue at the object storage level and moved the balancing to a separate layer. The problem manifested during the increase in data workloads. S3-compatible endpoints used DNS round-robin to distribute traffic. In practice, clients cached DNS responses and continued to hit … Read more

Granular data residency at the edge without sacrificing global network

Cloudflare adds Custom Regions to align global edge with local restrictions. This is a response to compliance pressures that are beginning to impact routing architecture. The problem arises when the global edge model encounters data localization requirements. Cloudflare’s architecture, by default, optimizes latency through the nearest data center. However, once requirements emerge to keep TLS … Read more

Kubescape 4.0: Transition to CEL Detection and Abandonment of Host-Level Agents

In Kubescape 4.0, the focus shifts from reactive security to proactive security. The main changes include runtime detection, a redesign of the agent model, and the extraction of security data from etcd. The problem manifests at scale. As the cluster grows, security begins to compete for resources with the control plane itself. Storing security metadata … Read more

Kubernetes fsGroup as a Hidden Bottleneck: Accelerating Restarts through fsGroupChangePolicy

A long restart of a stateful service rarely appears to be a security configuration issue. However, this is how the safe default in Kubernetes turned into 30 minutes of downtime for each restart. The problem manifested at scale. Atlantis, which manages Terraform through GitLab MR, operates as a singleton StatefulSet and stores state in a … Read more

Unification of API and AI Traffic through a Unified Control Plane: An Analysis of the Higress Approach

Higress enters the CNCF Sandbox as an API gateway with the aim of consolidating multiple layers of traffic. The key question is whether this reduces complexity or merely shifts it elsewhere. Systems begin to degrade when the traffic management layer becomes fragmented. Ingress operates separately, the gateway for microservices operates separately, and solutions for AI … Read more

Portability as a Strategy: How to Reduce Vendor Lock-in through Open Standards

Digital sovereignty in engineering practice boils down to a single question: how quickly can you switch providers without breaking the system? The answer is almost always determined by architecture. A system does not start to degrade at the moment a provider fails, but much earlier, when dependency on that provider becomes implicit. This shows up … Read more

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