Ruprecht-Karls-Universität Heidelberg

Advanced Hardware Communication Techniques

Diploma Thesis by Heiner Litz


This diploma thesis presents the development of modern communication techniques in the scope of the next-generation networks. The goal was to design mechanisms which allow to set a new milestone in low latency messaging. The work examines different synchronization techniques, low overhead message formats and techniques to improve network and host interface communication. The result is a sophisticated high speed synchronization technique called the Triggerpage. Furthermore, for explicit support of fine-grained communication schemes the ULTRA low Latency TRAnsaction engine was developed which offers the transfer of messages with lowest possible latencies. The whole development process including specification, implementation and evaluation is covered in this thesis and a synthesizable HDL description of the complete design is provided. Both designs are simulated and tested in a FPGA.


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