Intra Protocol Fairness

Experimental Setting

Bottleneck Bandwidth: 400Mbs
Queue size: 2000 Kbytes
Background traffic: NO
Long-Lived flows: forward direction (None!), backward direction (None!)
Short-Lived flows: None! (forward direction, backward direction)
flow1 and flow2 have the same RTT

1. Intra-Protocol Fairness

1.1 Fairness index (Jain's) for intra-protocol fairness

Delay	CUBIC	BIC	HTCP	HSTCP	STCP	FAST	SACK
16ms	0.996574 [1] [2] [3] [4] [5]	0.997663 [1] [2] [3] [4] [5]	0.969557 [1] [2]	0.976992 [1] [2] [3] [4]	0.975508 [1] [2] [3] [4]	0.995590 [1] [2] [3] [4] [5]	0.996016 [1] [2] [3] [4] [5]
42ms	0.999213 [1] [2] [3] [4] [5]	0.999579 [1] [2] [3] [4] [5]	0.999622 [1] [2]	0.952085 [1] [2] [3] [4] [5]	0.989590 [1] [2] [3] [4] [5]	0.994936 [1] [2] [3] [4] [5]	0.998234 [1] [2] [3] [4] [5]
82ms	0.998538 [1] [2] [3] [4] [5]	0.999565 [1] [2] [3] [4] [5]	0.999992 [1] [2]	0.949249 [1] [2] [3] [4] [5]	0.997192 [1] [2] [3] [4]	0.992556 [1] [2] [3] [4] [5]	0.985472 [1] [2] [3] [4] [5]
162ms	0.995583 [1] [2] [3] [4] [5]	0.999304 [1] [2] [3] [4] [5]	0.999963 [1] [2]	0.901283 [1] [2] [3] [4]	0.982279 [1] [2] [3] [4] [5]	0.993425 [1] [2] [3] [4] [5]	0.960749 [1] [2] [3] [4] [5]
324ms	0.999232 [1] [2] [3] [4] [5]	0.998656 [1] [2] [3] [4] [5]	0.999624 [1] [2]	0.964776 [1] [2] [3] [4] [5]	0.994235 [1] [2] [3] [4] [5]	0.999582 [1] [2] [3] [4] [5]	0.883685 [1] [2] [3] [4] [5]

1.2 Throughput Ratio for intra-protocol fairness

Delay	CUBIC	BIC	HTCP	HSTCP	STCP	FAST	SACK
16ms	0.893316 [1] [2] [3] [4] [5]	0.910215 [1] [2] [3] [4] [5]	0.701813 [1] [2]	0.739302 [1] [2] [3] [4]	0.731884 [1] [2] [3] [4]	0.890005 [1] [2] [3] [4] [5]	0.931028 [1] [2] [3] [4] [5]
42ms	0.949838 [1] [2] [3] [4] [5]	0.966128 [1] [2] [3] [4] [5]	0.961871 [1] [2]	0.656762 [1] [2] [3] [4] [5]	0.824246 [1] [2] [3] [4] [5]	0.874627 [1] [2] [3] [4] [5]	0.923202 [1] [2] [3] [4] [5]
82ms	0.942072 [1] [2] [3] [4] [5]	0.964274 [1] [2] [3] [4] [5]	0.994695 [1] [2]	0.630071 [1] [2] [3] [4] [5]	0.917311 [1] [2] [3] [4]	0.845653 [1] [2] [3] [4] [5]	0.849334 [1] [2] [3] [4] [5]
162ms	0.898592 [1] [2] [3] [4] [5]	0.954031 [1] [2] [3] [4] [5]	0.990728 [1] [2]	0.510481 [1] [2] [3] [4]	0.791444 [1] [2] [3] [4] [5]	0.855048 [1] [2] [3] [4] [5]	0.721603 [1] [2] [3] [4] [5]
324ms	0.958536 [1] [2] [3] [4] [5]	0.937935 [1] [2] [3] [4] [5]	0.961934 [1] [2]	0.695056 [1] [2] [3] [4] [5]	0.881416 [1] [2] [3] [4] [5]	0.961860 [1] [2] [3] [4] [5]	0.497946 [1] [2] [3] [4] [5]

2. Link Utilization

Link utilization table

Delay	CUBIC	BIC	HTCP	HSTCP	STCP	FAST	SACK
16ms	0.954653 [1] [2] [3] [4] [5]	0.955102 [1] [2] [3] [4] [5]	0.954642 [1] [2]	0.954706 [1] [2] [3] [4]	0.954912 [1] [2] [3] [4]	0.954618 [1] [2] [3] [4] [5]	0.954640 [1] [2] [3] [4] [5]
42ms	0.954647 [1] [2] [3] [4] [5]	0.954911 [1] [2] [3] [4] [5]	0.945126 [1] [2]	0.951632 [1] [2] [3] [4] [5]	0.947103 [1] [2] [3] [4] [5]	0.954610 [1] [2] [3] [4] [5]	0.946000 [1] [2] [3] [4] [5]
82ms	0.954486 [1] [2] [3] [4] [5]	0.954722 [1] [2] [3] [4] [5]	0.943179 [1] [2]	0.944188 [1] [2] [3] [4] [5]	0.923059 [1] [2] [3] [4]	0.954616 [1] [2] [3] [4] [5]	0.921764 [1] [2] [3] [4] [5]
162ms	0.947500 [1] [2] [3] [4] [5]	0.949358 [1] [2] [3] [4] [5]	0.943222 [1] [2]	0.928624 [1] [2] [3] [4]	0.868358 [1] [2] [3] [4] [5]	0.954554 [1] [2] [3] [4] [5]	0.894106 [1] [2] [3] [4] [5]
324ms	0.898996 [1] [2] [3] [4] [5]	0.925730 [1] [2] [3] [4] [5]	0.878089 [1] [2]	0.890185 [1] [2] [3] [4] [5]	0.755025 [1] [2] [3] [4] [5]	0.498688 [1] [2] [3] [4] [5]	0.548854 [1] [2] [3] [4] [5]

3. Queue Dropping Ratio

Queue drop ratio on the bottleneck router

Delay	CUBIC	BIC	HTCP	HSTCP	STCP	FAST	SACK
16ms	0.000024 [1] [2] [3] [4] [5]	0.000529 [1] [2] [3] [4] [5]	0.000074 [1] [2]	0.000159 [1] [2] [3] [4]	0.000767 [1] [2] [3] [4]	0.000000 [1] [2] [3] [4] [5]	0.000067 [1] [2] [3] [4] [5]
42ms	0.000025 [1] [2] [3] [4] [5]	0.000332 [1] [2] [3] [4] [5]	0.000153 [1] [2]	0.000195 [1] [2] [3] [4] [5]	0.000798 [1] [2] [3] [4] [5]	0.000000 [1] [2] [3] [4] [5]	0.000086 [1] [2] [3] [4] [5]
82ms	0.000035 [1] [2] [3] [4] [5]	0.000201 [1] [2] [3] [4] [5]	0.000158 [1] [2]	0.000140 [1] [2] [3] [4] [5]	0.000710 [1] [2] [3] [4]	0.000000 [1] [2] [3] [4] [5]	0.000076 [1] [2] [3] [4] [5]
162ms	0.000107 [1] [2] [3] [4] [5]	0.000138 [1] [2] [3] [4] [5]	0.000227 [1] [2]	0.000135 [1] [2] [3] [4]	0.000944 [1] [2] [3] [4] [5]	0.000000 [1] [2] [3] [4] [5]	0.000138 [1] [2] [3] [4] [5]
324ms	0.000185 [1] [2] [3] [4] [5]	0.000099 [1] [2] [3] [4] [5]	0.000293 [1] [2]	0.000161 [1] [2] [3] [4] [5]	0.001518 [1] [2] [3] [4] [5]	0.000000 [1] [2] [3] [4] [5]	0.000173 [1] [2] [3] [4] [5]

4. Convergence Time

4.1 Convergence Time for two flows

Delay	CUBIC	BIC	HTCP	HSTCP	STCP	FAST	SACK
16ms	73.000000 [1] [2] [3] [4] [5]	21.000000 [1] [2] [3] [4] [5]	55.000000 [1] [2]	155.000000 [1] [2] [3] [4]	40.000000 [1] [2] [3] [4]	123.000000 [1] [2] [3] [4] [5]	39.000000 [1] [2] [3] [4] [5]
42ms	91.000000 [1] [2] [3] [4] [5]	35.000000 [1] [2] [3] [4] [5]	35.000000 [1] [2]	345.000000 [1] [2] [3] [4] [5]	51.000000 [1] [2] [3] [4] [5]	147.000000 [1] [2] [3] [4] [5]	91.000000 [1] [2] [3] [4] [5]
82ms	141.000000 [1] [2] [3] [4] [5]	61.000000 [1] [2] [3] [4] [5]	20.000000 [1] [2]	141.000000 [1] [2] [3] [4] [5]	97.500000 [1] [2] [3] [4]	215.000000 [1] [2] [3] [4] [5]	285.000000 [1] [2] [3] [4] [5]
162ms	147.000000 [1] [2] [3] [4] [5]	111.000000 [1] [2] [3] [4] [5]	20.000000 [1] [2]	766.500000 [1] [2] [3] [4]	43.000000 [1] [2] [3] [4] [5]	23.000000 [1] [2] [3] [4] [5]	792.200000 [1] [2] [3] [4] [5]
324ms	61.000000 [1] [2] [3] [4] [5]	41.000000 [1] [2] [3] [4] [5]	85.000000 [1] [2]	915.400000 [1] [2] [3] [4] [5]	105.000000 [1] [2] [3] [4] [5]	33.000000 [1] [2] [3] [4] [5]	857.400000 [1] [2] [3] [4] [5]

4.2 Fairness index over various time scales

RTT 82 msec with various time scales

Fairness index table

You can click the link of each delay ( 16ms 42ms 82ms 162ms 324ms ) as well as each measurement interval

Protocol		16ms	42ms	82ms	162ms	324ms
CUBIC	1sec	0.500000	0.500000	0.500000	0.500000	0.500000
	5sec	0.970283	0.980463	0.973942	0.978055	0.982513
	10sec	0.970882	0.980768	0.974126	0.978173	0.984503
	20sec	0.972392	0.981485	0.974469	0.978496	0.985051
	40sec	0.974681	0.983234	0.975507	0.978814	0.985908
	80sec	0.978701	0.985952	0.976865	0.980061	0.989027
	160sec	0.985149	0.989670	0.980536	0.982885	0.995571
BIC	1sec	0.500000	0.500000	0.500000	0.500000	0.500000
	5sec	0.991236	0.994387	0.991175	0.987829	0.990198
	10sec	0.992294	0.994977	0.991484	0.988017	0.990499
	20sec	0.993702	0.995764	0.991840	0.988363	0.991138
	40sec	0.995460	0.997028	0.992383	0.988686	0.993333
	80sec	0.996747	0.998245	0.993934	0.989445	0.994529
	160sec	0.997282	0.998797	0.996207	0.991932	0.995056
HTCP	1sec	0.500000	0.500000	0.500000	0.500000	0.500000
	5sec	0.943032	0.993171	0.996962	0.995781	0.989023
	10sec	0.944972	0.993861	0.997149	0.995909	0.990390
	20sec	0.949120	0.994831	0.997505	0.996140	0.991337
	40sec	0.957072	0.996172	0.997852	0.996344	0.993432
	80sec	0.960093	0.997525	0.998620	0.997049	0.995547
	160sec	0.962160	0.997713	0.999309	0.997472	0.997975
HSTCP	1sec	0.500000	0.500000	0.500000	0.500000	0.500000
	5sec	0.967475	0.943907	0.941614	0.894829	0.960192
	10sec	0.969282	0.944681	0.942119	0.894967	0.960495
	20sec	0.971136	0.946029	0.943120	0.895318	0.960849
	40sec	0.972355	0.947168	0.944460	0.894894	0.960740
	80sec	0.974332	0.948489	0.945735	0.895463	0.960925
	160sec	0.974773	0.949173	0.946486	0.892924	0.960293
STCP	1sec	0.500000	0.500000	0.500000	0.500000	0.500000
	5sec	0.938176	0.933778	0.919282	0.901348	0.921246
	10sec	0.943505	0.938254	0.921857	0.902503	0.924881
	20sec	0.950194	0.944090	0.927094	0.906052	0.927077
	40sec	0.957582	0.954067	0.936109	0.910713	0.930353
	80sec	0.965989	0.962963	0.947743	0.928326	0.946015
	160sec	0.969132	0.973334	0.970842	0.936422	0.961004
FAST	1sec	0.500000	0.500000	0.500000	0.500000	0.500000
	5sec	0.994810	0.993823	0.991756	0.991434	0.997676
	10sec	0.994821	0.993827	0.991760	0.991563	0.998056
	20sec	0.994830	0.993845	0.991767	0.991843	0.998255
	40sec	0.994827	0.993775	0.991689	0.991925	0.998373
	80sec	0.994857	0.993843	0.991711	0.992039	0.998480
	160sec	0.994810	0.993585	0.991389	0.991897	0.998702
SACK	1sec	0.500000	0.500000	0.500000	0.500000	0.500000
	5sec	0.955684	0.956779	0.933139	0.943904	0.877221
	10sec	0.957398	0.957389	0.933398	0.943950	0.877573
	20sec	0.960171	0.958747	0.933998	0.944124	0.877573
	40sec	0.965816	0.961747	0.934388	0.943541	0.876688
	80sec	0.973600	0.967558	0.936989	0.944189	0.876707
	160sec	0.982360	0.980689	0.938102	0.941430	0.873198

5. Coefficient of Variance (CoV) of Total throughput

CoV Graph for 10 sec measurement interval

CoV table

You can click the link of each delay ( 16ms 42ms 82ms 162ms 324ms ) as well as each measurement interval

Protocol		16ms	42ms	82ms	162ms	324ms
CUBIC	1sec	0.002973	0.004406	0.009316	0.026002	0.083103
	5sec	0.000728	0.001153	0.003857	0.019028	0.078190
	10sec	0.000356	0.000578	0.002416	0.015508	0.074896
	20sec	0.000183	0.000271	0.001613	0.012945	0.071827
	40sec	0.000100	0.000160	0.001045	0.012022	0.063618
	80sec	0.000040	0.000078	0.000719	0.009713	0.051562
	160sec	0.000023	0.000042	0.000472	0.006086	0.034056
BIC	1sec	0.004377	0.004901	0.009922	0.019441	0.036899
	5sec	0.001279	0.001435	0.002623	0.009269	0.030164
	10sec	0.000835	0.000731	0.001587	0.007436	0.022776
	20sec	0.000406	0.000423	0.000988	0.005126	0.013452
	40sec	0.000278	0.000266	0.000638	0.003519	0.008215
	80sec	0.000173	0.000139	0.000400	0.002311	0.005045
	160sec	0.000118	0.000085	0.000262	0.001495	0.003217
HTCP	1sec	0.005869	0.039138	0.029612	0.022818	0.080436
	5sec	0.002289	0.030710	0.022457	0.018444	0.073409
	10sec	0.001269	0.020845	0.016781	0.014640	0.065475
	20sec	0.000571	0.016403	0.010736	0.011112	0.051312
	40sec	0.000322	0.011807	0.007911	0.008910	0.047174
	80sec	0.000120	0.008478	0.004529	0.005558	0.035284
	160sec	0.000067	0.006250	0.002214	0.003717	0.032454
HSTCP	1sec	0.008937	0.019999	0.044142	0.072317	0.091130
	5sec	0.001751	0.006856	0.030182	0.054291	0.078841
	10sec	0.000834	0.004565	0.022622	0.047023	0.072524
	20sec	0.000418	0.003013	0.016392	0.038781	0.061576
	40sec	0.000247	0.002079	0.011863	0.028848	0.044520
	80sec	0.000128	0.001358	0.007516	0.019063	0.040974
	160sec	0.000079	0.000886	0.004469	0.011917	0.029467
STCP	1sec	0.011745	0.027521	0.058622	0.148580	0.270666
	5sec	0.003072	0.010331	0.031734	0.099112	0.234708
	10sec	0.002006	0.006947	0.020181	0.076764	0.215452
	20sec	0.001353	0.004515	0.013934	0.057755	0.185346
	40sec	0.000844	0.002864	0.009500	0.044576	0.140663
	80sec	0.000576	0.002000	0.006896	0.035403	0.114663
	160sec	0.000439	0.001489	0.004597	0.025476	0.089401
FAST	1sec	0.000793	0.000826	0.000839	0.002276	0.047095
	5sec	0.000194	0.000250	0.000253	0.001146	0.046763
	10sec	0.000123	0.000162	0.000160	0.000804	0.046536
	20sec	0.000075	0.000106	0.000105	0.000561	0.046133
	40sec	0.000042	0.000066	0.000064	0.000391	0.045618
	80sec	0.000029	0.000046	0.000045	0.000269	0.045203
	160sec	0.000018	0.000028	0.000028	0.000179	0.043549
SACK	1sec	0.003661	0.023693	0.063447	0.110321	0.140510
	5sec	0.001516	0.020342	0.062462	0.109464	0.140011
	10sec	0.000957	0.018241	0.060958	0.108133	0.139293
	20sec	0.000508	0.016011	0.059527	0.105164	0.137898
	40sec	0.000226	0.011294	0.053722	0.095651	0.135260
	80sec	0.000127	0.009750	0.042626	0.086935	0.134912
	160sec	0.000054	0.007492	0.026102	0.075825	0.133491