return establishedTime;
    }

    /**
     * Get the last activity time
     *
     * @return last activity time in milliseconds
     */
    public long getLastActivityTime() {
        return lastActivityTime;
    }

    /**
     * Update activity timestamp
     */
    public void updateActivity() {
        this.lastActivityTime = System.currentTimeMillis();
    }

            return failureCount.get();
        }

        public long getFirstConnectionTime() {
            return firstConnectionTime;
        }

        public long getLastActivityTime() {
            return lastActivityTime;
        }

        public double getSuccessRate() {
            long total = successCount.get() + failureCount.get();