Vendor needs to provide cloud–based queue management system. The system must feature modern ticketing capabilities, including digital mobile (cell), and print options, as well as real–time display updates showing customers their queue position and corresponding service counter or representative. Solution shall be distributed across geographically diverse data centers in the United States and provide a secure API gateway. Solution shall be hosted as a single tenant with an independent multi–tenant database. Solution response times for screens, queries, reports, and batch processing, and system API calls and integrations, shall adhere to industry standards and shall be acceptable to users during testing before release. Solution shall support a growing number of concurrent transactions, such as data submissions, updates, and approvals. Solution shall retain application–specific data, such as configuration settings, templates, and customizations, for the lifetime of the subscription.