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Background
A five-star resort hotel's existing network, based on traditional Layer 2 switches, faced issues such as unstable guest Wi-Fi, interrupted conference live streams, and frequent smart device disconnections. With the acceleration of digital transformation, the hotel needed to support parallel operations of 4K video streaming in guest rooms, 8K live broadcasts in conference halls, smart room control systems (lighting/climate/security), and employee networks. The legacy infrastructure could no longer meet requirements for low latency, high reliability, and multi-service isolation.
Demand Analysis
High Concurrency & Low Latency:
Guest areas required support for 800+ simultaneous connections (phones/tablets/smart devices).
Conference halls needed zero-buffering 8K video transmission.
Multi-Service Isolation:
Physical separation of guest Wi-Fi, hotel management systems, IoT networks, and employee intranet to prevent data leaks.
Smart Device Security:
Restrict IoT devices (e.g., smart locks, climate panels) to communicate only with cloud servers, blocking lateral attack risks.
24/7 Stability:
Eliminate network downtime caused by voltage fluctuations or loops to ensure seamless guest experiences.
Solution
Deployed the PE-S5300-48GP6XF as the core access switch, building a four-layer service isolation architecture:
1. Intelligent Bandwidth Tiering
48 Gigabit PoE Ports:
36 ports for dual-band Wi-Fi 6 APs in guest rooms (supporting VR streaming).
8 ports for 8K video encoders in conference halls (30% bandwidth redundancy reserved).
4 ports for smart control hubs (managing Zigbee/Bluetooth devices).
6x 10G SFP+ Ports:
2 ports uplinked to the hotel’s private cloud (hosting PMS and CRM systems).
1 port connected to a security audit platform.
1 port reserved for future expansions (e.g., AR navigation devices).
2. Comprehensive Security Policies
Port Isolation + VLAN:
Guest_VLAN: Open only ports 80/443, blocking internal network access.
IoT_VLAN: MAC whitelisting restricted to Alibaba Cloud IoT platform.
Staff_VLAN: 802.1X authentication with operation logging.
Microsecond-Level Traffic Control:
Conference hall ports prioritized 8K traffic via QoS queues (DSCP 46 marking).
Guest AP ports enforced time-based ACLs, limiting P2P downloads to ≤5Mbps from 23:00–07:00.
3. Redundancy & Interference Resistance
Deployed MSTP+VRRP for triple-layer redundancy (core-aggregation-AP), achieving <30ms failover.
Wide voltage input (100-240VAC) stabilized operations amid ±20% grid fluctuations.
Broadcast storm suppression capped Zigbee gateway broadcasts at ≤200 packets/sec.
4. Visualized O&M Management
Integrated with hotel monitoring dashboards via SNMPv3, tracking AP uptime and traffic spikes.
Custom abnormal traffic baselines auto-blocked DDoS attacks (e.g., UDP port 53 floods).
Automated Network Health Reports analyzed energy consumption and port failure hotspots.
Deployment Outcomes
Guest Wi-Fi speeds surged to 850Mbps, with 8K streams achieving zero buffering. Customer satisfaction rose from 78% to 97%.
IoT device downtime dropped from 15 daily incidents to zero. IT response times shortened to 5 minutes.
Successfully isolated a 2023 ransomware attack, protecting PMS systems.
Achieved ISO 27001 certification and recognition as a government-designated "Smart Hotel Pilot."
This case demonstrates how the PE-S5300-48GP6XF integrates high-density PoE, multi-service isolation, and carrier-grade reliability to redefine smart hospitality infrastructure.
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