Abstract

This paper is organised as follows. Section 2 first introduces our object model. Section 3 describes the reference count-based approach. In particular, we compare those techniques according to their resilience to message failures. Such counting-based techniques are unable to collect cycles of garbage and must assume that they are rare enough to minimize memory leakage. A number of hybrid proposals as explained in 5 which combine counting-based techniques with a global (tracing-based) technique. Section (explained in Section 6) surveys some enhanced techniques well suited to distributed settings. Section (explained in Section 7) sums up our conclusions and proposes taxonomy of the reviewed techniques. 2 Model

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