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UDT also plays a role in research projects developing high performance web services, something that is required in order to scale today's web services to large remote and distributed data sets.
UDT is used as the network transport layer in the joint University of Illinois/Northwestern project on Photonic Data Services (PDS), which is developing open source data services for next generation photonic networks, such as the OptIPuter.
UDT is also being used as one of the layers of a UIC project called Open DMIX (for Data Mining, Data Integration, and Data Exploration), which is developing open source high performance web services for data mining.
UDT is NOT used to replace TCP in the Internet where the bottleneck Gu, Grossman Expires - February 2005 [Page 3] UDT August 2004 bandwidth is relatively small and there are large amounts of multiplexed short life flows.
Since UDT is supposed to be used to transfer bulk data stream, we assume that there is only a very small portion of irregular sized packets in a UDT session.
UDT uses packet based sequencing, i.e., the sequence number is increased by 1 for each non-retransmitted data packet.
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