About httpha is a simple client-side load balance and HA module. Usage var httpha = require('httpha'); var ha = httpha.create({ 'interval' : 1000,}, httpha.httpStatusChecker('/status', { 'timeout' : 1000,})); ha.add({'hostname' : '127.0.0.1', 'port' : 8080});ha.add({'hostname' : '127.0.0.2', 'port' : 8080});ha.add({'hostname' : '127.0.0.1', 'port' : 8081}); console.log(ha.fetch());console.log(ha.fetch()); License MIT