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Publications by Type: Technical Reports
| Citation key | KPK-TPFPDWRTMSA-06 |
|---|---|
| Author | Karrer, Roger and Park, Ju-Won and Kim, JongWon |
| Year | 2006 |
| Month | September |
| Institution | Deutsche Telekom Laboratories |
| Abstract | Parallel download protocols that establish multiple TCP connections to distributed replica servers have the potential to reduce file download time and to improve the quality of real-time multimedia downloads. Unfortunately, parallel download protocols are also inherently unfair towards single-flow downloads. This paper presents TCP-ROME, a parallel download protocol that allows a dynamic mitigation of throughput and fairness. A receiver-based framework allows a dynamic adjustment of the congestion and rate control of each subconnection. TCP-ROME offers two usage modes: a binary mode where the congestion control of each subconnection can be switched between a TCP-fair rate (high priority) and at a TCP-LP (low priority) fair rate, and a more complex range mode where the aggregated throughput aims at meeting a specified target rate. This paper describes the TCP-ROME protocol and shows the suitability of the range mode for real-time streaming applications. For the binary mode, we develop novel analytical throughput models for TCP-LP and for TCP-ROME. The models are validated via simulations. Extensive simulation scenarios show the flexibility of TCP-ROME in mitigating performance for fairness. |
| Bibtex Type of Publication | Technical Report |
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