In Fig. 11, we have plotted the link loss rates of path 1, path 2 and using multi-path respectively, as the load of network goes up. For each individual path, loss rates resulting from channel erasure increase quickly as the link utilization goes up. This is explained by more packets being dropped by the routers as the network get congested and buffers are becoming full.
With multiple transmissions, the loss rates shown in Fig. 11 are much lower, due to the uncorrelated behavior of the erasure channels. As the network load goes up, the resulting loss rates increase very gracefully. Even at the high load of 90% on both paths, the total loss rate of multi-stream is still below 6%, while a single-stream could reach up to 24%. With multiple streams, the hostile burst loss can be controlled below a rate of 2% at high load, which could otherwise go up to 10% if using only one stream.