Serial . Ws Upd Review

ws.onopen = () => // Initiate with last known sequence (0 for new client) ws.send(JSON.stringify( type: 'init', lastSeq: lastReceivedSeq )); ;

In a serial stream, if the client processes messages slower than the server sends them, memory blows up. Proper designs implement flow control—either via WebSocket’s built-in backpressure (exposed in Node.js and Rust) or via a client-side acknowledgment window (similar to TCP’s sliding window). serial . ws