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HT-Paxos: high throughput state-machine replication protocol for large clustered data centers.

Vinit Kumar1, Ajay Agarwal2

  • 1Krishna Engineering College, Ghaziabad 201007, India.

Thescientificworldjournal
|March 31, 2015
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Summary
This summary is machine-generated.

This study introduces HT-Paxos, a novel state-machine replication protocol designed for large data centers. HT-Paxos enhances throughput and scalability by significantly offloading the leader, improving system performance.

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Area of Science:

  • Computer Science
  • Distributed Systems
  • Database Systems

Background:

  • State-machine replication is crucial for data-intensive systems requiring high throughput.
  • Traditional Paxos variants (Classical, Fast, Generalized) prioritize fault tolerance and low latency but lack throughput and scalability.
  • A key limitation in earlier Paxos versions is the heavyweight leader, hindering overall system performance.

Purpose of the Study:

  • To propose HT-Paxos, a novel Paxos variant optimized for large clustered data centers.
  • To significantly offload leader responsibilities to enhance system throughput and scalability.
  • To achieve high throughput while maintaining reasonably low latency and response times.

Main Methods:

  • Introduced HT-Paxos, a modified Paxos protocol.
  • Focused on leader offloading as a primary mechanism for performance improvement.
  • Evaluated performance in the context of large clustered data centers.

Main Results:

  • HT-Paxos demonstrates significantly increased throughput compared to earlier Paxos versions.
  • The protocol achieves enhanced scalability suitable for large-scale deployments.
  • HT-Paxos provides competitive low latency and response times among high-throughput protocols.

Conclusions:

  • HT-Paxos is a highly suitable state-machine replication protocol for large clustered data centers.
  • Leader offloading in HT-Paxos effectively addresses throughput and scalability limitations.
  • The proposed protocol offers a balanced approach to high throughput, low latency, and fault tolerance.