Paper Info
Title
Network-Wide Measurements of TCP RTT in 3G
Abstract
In this study we present network-wide measurements of Round-Trip-Time (RTT) from an operational 3G network, separately for GPRS/EDGE and UMTS/HSxPA sections. The RTTs values are estimated from passive monitoring based on the timestamps of TCP handshaking packets. Compared to a previous study in 2004, the measured RTT values have decreased considerably. We show that the network-wide RTT percentiles in UMTS/HSxPA are very stable in time and largely independent from the network load. Additionally, we present separate RTT statistics for handsets and laptops, finding that they are very similar in UMTS/HSxPA. During the study we identified a problem with the RTT measurement methodology -- mostly affecting GPRS/EDGE data -- due to early retransmission of SYNACK packets by some popular servers.
Year
DOI
Venue
2009
10.1007/978-3-642-01645-5_3
TMA
Keywords
Field
DocType
previous study,network-wide measurement,rtts value,network load,separate rtt statistic,edge data,tcp rtt,hsxpa section,network-wide rtt percentiles,rtt measurement methodology,rtt value,network-wide measurements,round trip time
UMTS frequency bands,Passive monitoring,Computer science,Retransmission,Network packet,Server,Computer network,Real-time computing,Handshaking,Timestamp,General Packet Radio Service
Conference
Volume
ISSN
Citations 
5537
0302-9743
25
PageRank 
References 
Authors
2.03
6
5
Name
Order
Citations
PageRank
Peter Romirer-Maierhofer116014.18
Fabio Ricciato276874.83
Alessandro D'Alconzo333026.01
Robert Franzan4252.03
Wolfgang Karner5886.32