LRDC: Learning Resource Diffusion Based on Credibility for Computer-Supported Collaborative Learning

Table 9

The effect of bufferSize on message delivery success rate.

Algorithm/bufferSize (MB)	5	10	20	40	60	80	100	120	Average success rate	Relative promotion ratio (%)
LRDC	0.405	0.482	0.601	0.748	0.856	0.911	0.941	0.941	0.736	0
DirectDeliver	0.323	0.353	0.353	0.353	0.353	0.353	0.353	0.353	0.349	110.9
Epidemic	0.147	0.235	0.322	0.469	0.606	0.794	0.941	0.941	0.557	32.1
FirstContact	0.303	0.529	0.618	0.618	0.618	0.618	0.618	0.618	0.568	29.6
SprayAndWait	0.415	0.504	0.613	0.723	0.783	0.853	0.853	0.853	0.7	5.1
Average relative promotion ratio (%)										44.43