What enterprise video management architectures, AI-driven analytics capabilities, and open-platform ecosystems distinguish leading CCTV monitoring software—such as Milestone XProtect, Genetec Security Center, and Hanwha Wave—and how do variations between on-premises VMS, hybrid-cloud setups, and pure Cloud Video Surveillance (VSaaS) dictate edge processing performance, bandwidth consumption, and long-term storage scalability across mission-critical physical security environments?