Shared networking costs across Korean regional deployments
Why cross-application networking charges in Seoul-region estates need explicit attribution rules before month-end closes.
Teams running multiple applications from Seoul-region cloud zones often discover that networking charges resist clean ownership. Load balancers, private links, and egress paths serve more than one product, yet finance still needs a cost-centre split at month end.
A practical approach is to separate fixed shared capacity from variable transfer. Fixed capacity (for example a shared load balancer tier) can follow a negotiated share based on application criticality or peak concurrent users. Variable transfer should follow measured volume when meters exist; when they do not, use a temporary proxy such as request counts from application logs.
Document the rule in plain language and revisit it each quarter. Networking patterns change when a new application launches or when traffic shifts overseas. An outdated rule creates quiet resentment between product teams even when the absolute amounts stay modest.
During assessments in Yongsan and nearby Seoul offices, we often find that networking was never assigned an owner at all. Naming a steward—even if costs remain shared—stops the topic from floating between infrastructure and product every billing cycle.