Feature Request: Multi-frps Support with Failover & Load Balancing

[KaKa-sxyd]

It would be highly valuable if Podux could support multiple frps servers per proxy, with built-in failover and load balancing capabilities.

Motivation

In real-world usage (multi-region deployment, homelab, or production setups), users often run multiple frps servers for:
• High availability
• Better latency
• Redundancy

Currently, switching between servers is manual and lacks automation.

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Proposed Features

1. Multi-frps per Proxy

Allow a proxy to connect to multiple frps servers instead of just one.

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2. Automatic Failover
   • Detect server failure (heartbeat / latency)
   • Automatically switch to a backup server

Example:

Primary → Secondary → Backup

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3. Load Balancing (Optional)

Support simple strategies:
• Round-robin
• Weighted
• Latency-based (preferred)

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4. Basic Health Monitoring
   • Show per-frps status (online / offline)
   • Display latency for routing decisions
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Benefits
• Improved reliability
• Reduced downtime
• Better performance across regions
• Makes Podux suitable for production use

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Closing

This feature would significantly enhance Podux as a multi-server tunneling management platform, aligning well with its long-term vision.

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