Author name: Admin

⏱ 5 min read Tenant Billing Service: Overview and Requirements A tenant billing service meters resource consumption per tenant, applies tiered pricing rules, generates […] Read article

⏱ 6 min read Geofencing Service: Overview and Requirements A geofencing service stores geographic boundary polygons, evaluates whether a given coordinate falls inside any Read article

⏱ 5 min read Access Log Analyzer: Overview and Requirements An access log analyzer ingests raw HTTP access logs from web servers and CDNs, Read article

⏱ 5 min read Bot Detection Service: Overview and Requirements A bot detection service distinguishes automated traffic from legitimate human users in real time. Read article

⏱ 5 min read DDoS Mitigation Service: Overview and Requirements A DDoS mitigation service absorbs volumetric and application-layer attacks by combining connection-rate limiting at Read article

⏱ 5 min read Data Lineage Service: Overview and Requirements A data lineage service tracks the origin, transformation, and movement of data across a Read article

⏱ 5 min read Metadata Catalog: Overview and Requirements A metadata catalog is the central directory of data assets in an organization. It enables Read article

⏱ 5 min read A distributed tracing service provides end-to-end visibility into request flows across microservices by collecting spans, propagating trace context, applying intelligent Read article

⏱ 5 min read A span collector is the ingestion backbone of a distributed tracing system. It receives high-throughput span streams from many services, Read article

⏱ 5 min read A service dependency map provides a real-time, queryable graph of which services call which other services, derived automatically from distributed Read article

⏱ 4 min read Blue-green deployment eliminates downtime by maintaining two identical production environments and cutting over traffic instantaneously. This design covers environment management, Read article

⏱ 5 min read A shadow traffic system mirrors live production requests to a new service version asynchronously, compares responses without affecting users, and Read article

⏱ 4 min read A retry service centralizes retry policy enforcement so individual microservices do not each implement their own backoff logic incorrectly. This Read article

⏱ 4 min read The bulkhead pattern partitions resources so that a slow or failing dependency cannot consume all threads and starve the rest Read article

⏱ 6 min read Price Engine Low-Level Design A price engine computes the effective selling price for a product at request time by evaluating Read article