errors.incrementAndGet();
    }

    /**
     * Get error rate (errors / total requests)
     *
     * @return error rate between 0.0 and 1.0
     */
    public double getErrorRate() {
        long total = requestsSent.get();
        if (total == 0)
            return 0.0;
        return (double) errors.get() / total;
    }

    /**
     * Get throughput in bytes per second

                }
            }
            
            // Check error rate
            if (channel.getErrorRate() > 0.1) {
                log.warn("High error rate on channel {}: {}", 
                    channel.getChannelId(), channel.getErrorRate());
                // Consider removing channel
            }
        }
    }
    
    private void discoverInterfaces() {

        return memoryRegionsActive.get();
    }

    /**
     * Calculate error rate as percentage of total operations
     *
     * @return error rate (0.0 to 1.0)
     */
    public double getErrorRate() {
        long total = rdmaReads.get() + rdmaWrites.get() + rdmaSends.get() + rdmaReceives.get();
        if (total == 0) {
            return 0.0;
        }
        return (double) operationErrors.get() / total;

        assertEquals(5120, stats.getBytesTransferred(), "Should have transferred 5KB total");
        assertEquals(1, stats.getOperationErrors(), "Should have 1 error");
        assertEquals(0.25, stats.getErrorRate(), 0.001, "Error rate should be 25% (1 error out of 4 successful operations)");

        // Verify latency calculations
        assertTrue(stats.getAverageReadLatencyMicros() > 0, "Read latency should be positive");

        assertEquals(2000, channelInfo.getBytesReceived());
        assertEquals(1, channelInfo.getRequestsSent());
        assertEquals(1, channelInfo.getErrors());
        assertEquals(1.0, channelInfo.getErrorRate(), 0.01);
    }

    @Test
    void testPendingOperations() {
        assertEquals(0, channelInfo.getRequestsPending());
        assertTrue(channelInfo.getPendingOperations().isEmpty());

                    handleChannelFailure(channel, e);
                }
            }

            // Check error rate
            if (channel.getErrorRate() > 0.1) {
                log.warn("High error rate on channel {}: {}", channel.getChannelId(), channel.getErrorRate());
            }
        }
    }

    private void sendKeepAlive(ChannelInfo channel) throws IOException {
        // Send echo request as keep-alive

                return true;
            }
        }

        // If we've had many errors, consider fallback
        double errorRate = statistics.getErrorRate();
        if (errorRate > 0.1) { // More than 10% error rate
            log.warn("High RDMA error rate ({:.1f}%), TCP fallback recommended", errorRate * 100);
            return true;
        }

        rdmaWrites.incrementAndGet();
        bytesTransferred.addAndGet(bytes);
    }
    
    public void recordError() {
        operationErrors.incrementAndGet();
    }
    
    public double getErrorRate() {
        long total = rdmaReads.get() + rdmaWrites.get() + rdmaSends.get() + rdmaReceives.get();
        if (total == 0) return 0.0;
        return (double) operationErrors.get() / total;
    }