INTCP: Information-centric TCP for Satellite Network
Jinyu Yin, Li Jiang, Xinggong Zhang, Bin Liu

TL;DR
INTCP is a novel hop-by-hop, information-centric transport layer designed for satellite networks, significantly reducing delays and jitter while increasing throughput through hop-based retransmission, congestion control, and caching.
Contribution
This paper introduces INTCP, a new transport layer specifically designed for satellite networks, employing hop-by-hop retransmission and congestion control with caching for improved performance.
Findings
Reduces one-way delay by 42% compared to TCP
Achieves 60% higher throughput in unicast scenarios
Over 6 times throughput in multicast scenarios
Abstract
Satellite networks are booming to provide high-speed and low latency Internet access, but the transport layer becomes one of the main obstacles. Legacy end-to-end TCP is designed for terrestrial networks, not suitable for error-prone, propagation delay varying, and intermittent satellite links. It is necessary to make a clean-slate design for the satellite transport layer. This paper introduces a novel Information-centric Hop-by-Hop transport layer design, INTCP. It carries out hop-by-hop packets retransmission and hop-by-hop congestion control with the help of cache and request-response model. Hop-by-hop retransmission recovers lost packets on hop, reduces retransmission delay. INTCP controls traffic and congestion also by hop. Each hop tries its best to maximize its bandwidth utilization and improves end-to-end throughput. The capability of caching enables asynchronous multicast in…
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Taxonomy
TopicsSatellite Communication Systems · Distributed and Parallel Computing Systems · Age of Information Optimization
