Increase immediate ACK frequency
/* NGTCP2_NUM_IMMEDIATE_ACK_PKT is the maximum number of received
packets which triggers the immediate ACK. */
-#define NGTCP2_NUM_IMMEDIATE_ACK_PKT 2
+#define NGTCP2_NUM_IMMEDIATE_ACK_PKT 10
struct ngtcp2_acktr_entry;
typedef struct ngtcp2_acktr_entry ngtcp2_acktr_entry;
