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Tackling bufferbloat in 3G/4G mobile networks

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Figure

Figure 1: Over-buffering has been widely observed inthe current Internet [6] but is especially severe in cellularnetworks, resulting in up to several seconds of round tripdelay and even throughput degradation.
Figure 2: Our test environment
Figure 4: TCP behavior over AT&T HSPA+ network:(a) two patterns, namely “flat TCP” and “fat TCP” areobserved depending on the client platform
Table 1: Maximum TCP receive buffer size (tcpNote that these values may vary on customized ROMs and can be looked up by looking for ”setprop net.tcp.buffersize.*”in the init.rc file of Android phones
+7

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