ASAP: ad-hoc streaming adaptive protocol for supporting P2P streaming over vehicular ad-hoc networks

Authors:
Zhi Yao Xie;Teng-Sheng Moh;Melody Moh
Affiliations:
San Jose State University, San Jose, CA;San Jose State University, San Jose, CA;San Jose State University, San Jose, CA
Venue:
Proceedings of the 51st ACM Southeast Conference
Year:
2013

Citing 5
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Abstract

Video streaming has been a great challenge in highly mobile environments such as Vehicular Ad-hoc NETworks (VANET). The high churn rate of mobile nodes introduces unstable routes, which makes the traditional peer-to-peer (P2P) protocols relying on stable connections unsuitable. We present Ad-hoc Streaming Adaptive Protocol (ASAP), an application-layer protocol based on User Datagram Protocol (UDP). It uses peers on the delivery path as relay nodes to cache contents, multiplex requests, and demultiplex content deliveries. ASAP also employs novel methods for fast detection and adaptation to rapid route changes. As a result, ASAP delivers smooth, quality video without missing playback deadlines even when peers move in high speeds. ASAP may be readily applied to VANET, and be used as an alternative to cellular networks for relieving the burden on data usage.