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Time synchronization is critical for parallel and distributed simulation (PADS). In this paper we first compare the two main synchronization mechanisms in PADS, namely conservative and optimistic protocols. Then we propose a Minimum Time Buckets synchronization algorithm, which can optimistically schedule events without sending anti-messages. Comparing to the well-known Breathing Time Bucket (MTB)...
Parallel simulation technology is broadly used in complex system and real time simulations, such as Autonomous Decentralized System (ADS) and Internet of Things (IoT). Rollback mechanism is a key factor to improve the performance of optimistic parallel simulation. In this paper we first introduce the common time synchronization protocols and rollback recovery mechanisms in parallel simulation. Then...
In this paper, we analyze both BMH algorithm and QS algorithm, focus on the improvement of QS, and present FQS algorithm which can apply to HTTP data reduction. For building this algorithm, we considered character features of pattern strings in HTTP application data, improved the collating sequence of characters in matching process, and had the bad characters jumping strategy improved for increasing...
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