Mitsubishi Electric Research Laboratories

A Hybrid Deposit Model for Low Overhead Communication in High Speed LANs

MERL Report:  TR94-02c
Where Published: Fourth International IFIP Workshop on Protocols for High-speed Networks, August 1994

This paper presents a new, "hybrid deposit" model for low overhead communication wherein the sender directly deposits messages into the destination user-level memory. The destination address is a function of both sender state and destination state. The motivation is to increase the sender's role in communication in order to simplify the destination's role and thus enable fast, low-cost communication interfaces. The model separates data delivery from synchronization so as to enable the optimization of simple data delivery while leaving more difficult synchronization to other mechanisms. With hardware support, the hybrid deposit model looks promising for applications in parallel, distributed, and real-time computing.

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