Post-launch support is the work of keeping software running, secure and improving after release. It covers bug fixes, monitoring, updates, user help and small enhancements.
Knowledge transfer is the structured handover of system understanding, decisions and operating know-how from one person or team to another. In engineering it matters most at onboarding, vendor changes, contract endings and handovers to support teams.
Managed services is an engagement where an outside provider runs a system or function, such as cloud infrastructure or support, against agreed service levels. The client buys an ongoing outcome rather than paying for individual people or hours.
A service level agreement (SLA) is a provider's contractual commitment to meet measurable standards such as availability or response time. It also sets the remedies that apply when those standards are missed.
Go-live is the moment a new system, product or major release is made available to real users in production. It is the culmination of planning, testing, cut-over and readiness checks.
A retainer model is an arrangement where a client pays a recurring fee to reserve a provider's capacity or expertise for ongoing work. It suits support, advisory and improvement work that has no single end point or fixed scope.
Staff augmentation supplies engineers who work under your direction; managed services hands an ongoing function to a provider bound by service levels. One buys capacity, the other buys a running outcome with defined accountability.
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