The article discusses the challenges faced by Fly.io in managing their distributed system, specifically during a significant outage caused by a flaw in their state distribution system, Corrosion. It details the innovative approach they took to develop Corrosion as a service discovery system that moves away from traditional centralized databases to a model where individual servers act as the source of truth, utilizing a gossip protocol for efficient state synchronization.
    
    
    
    
        
        
            
            
        
    
    
        
    
    
        
    
    
    
    
    
        
            
            
                
                    distributed systems ✓
                
            
        
            
            
                
                    service discovery ✓
                
            
        
            
            
                
                    rust ✓