Abstract
Lightweight real-time network communication is crucial for commodity cluster systems and embedded control systems. This paper introduces the design, implementation and evaluation of SS-RTUDP, a novel zero-copy data path based real-time communication protocol with efficient communication resources management. To avoid unpredictable overheads during SS-RTUDP packets transmission, all communication resources are pre-allocated. A feasible fragmentation mechanism is also proposed for transmitting SS-RTUDP packets larger than the network MTU. On the other hand, the additional real-time traffic smoother provides high priorities to SS-RTUDP packets and also smoothes peak packets arrival curve. The prototype of SS-RTUDP is implemented under Linux systems and performance evaluations over Fast/Gigabit Ethernet are provided. The measurement results prove that SS-RTUDP can provide not only much lower latency and higher communication bandwidth than traditional UDP protocol, but also good real-time network communication performance for commodity cluster systems.
This paper is supported by National 863 Hi-Tech R&D Project under grant No.2002AA 1Z2102.
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Jin, H., Zhang, M., Tan, P., Chen, H., Xu, L. (2005). Lightweight Real-Time Network Communication Protocol for Commodity Cluster Systems. In: Yang, L.T., Amamiya, M., Liu, Z., Guo, M., Rammig, F.J. (eds) Embedded and Ubiquitous Computing – EUC 2005. EUC 2005. Lecture Notes in Computer Science, vol 3824. Springer, Berlin, Heidelberg. https://doi.org/10.1007/11596356_107
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DOI: https://doi.org/10.1007/11596356_107
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