Design and Implementation of Streaming Media Server Cluster Based on FFMpeg

Table 1

The comparison of bandwidth occupied by each of servers (unit: MB/s).

Total number; of users	Single  server (bandwidth of FFServer)	Server cluster
		Backbone bandwidth	Central server		Regional server 1			Regional server 2
			Foreign users	Bandwidth	Foreign users	Local users	Bandwidth	Foreign users	Local users	Bandwidth
10	5.73	2.20	2	1.96	0	5	2.22	0	5	2.26
12	6.87	0.80	0	0.42	1	4	2.88	0	8	4.10
14	7.98	1.56	2	1.49	0	6	2.90	0	8	4.23
16	9.13	1.88	1	0.77	1	6	3.41	1	10	5.12
18	10.64	2.20	1	0.89	2	8	5.04	0	10	4.51
20	11.32	3.19	4	2.94	0	10	4.51	0	10	4.49
22	—	2.63	1	1.23	1	16	7.88	2	6	4.01
24	—	2.66	2	2.03	1	16	7.80	1	8	4.66
26	—	3.41	3	3.22	1	16	7.88	1	10	5.10
28	—	2.88	2	2.26	1	16	7.85	2	12	6.88