Content Distribution Network for Mobile Streaming Media(<特集テーマ>コンテンツデリバリ技術及び一般)
スポンサーリンク
概要
- 論文の詳細を見る
In this paper, we present a mobile streaming media CDN (Content Distribution Network) architecture in which content segmentation, request routing, pre-fetch scheduling, and session handoff are controlled by SMIL (Synchronized Multimedia Integrated Language) modification. In this architecture, mobile clients simply follow modified SMIL files downloaded from a streaming portal server; these modifications enable multimedia content to be delivered to the mobile clients from the best surrogates in the CDN. The key components of this architecture are 1) content segmentation with SMIL modification, 2) on-demand rewriting of URLs in SMIL, 3) pre-fetch scheduling based on timing information derived from SMIL, 4) SMIL updates by SOAP (Simple Object Access Protocol) messaging for session handoffs due to clients mobility. The current status of our prototyping on a mobile QoS testbed "MOBIQ" is also reported in this paper. We are currently designing the SOAP-based APIs (Application Programmable Interfaces) needed for the mobile streaming media CDN and building the CDN over the current testbed.
- 2002-02-07
著者
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Yoshimura Takeshi
Multimedia Laboratories, NTT DoCoMo, Inc.
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Yonemoto Yoshifumi
Multimedia Laboratories, NTT DoCoMo, Inc.
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Ohya Tomoyuki
Multimedia Laboratories, NTT DoCoMo, Inc.
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Etho Minoru
Multimedia Laboratories, NTT DoCoMo, Inc.
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Wee Susie
Hewlett-Packard Laboratories
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Etoh M
Multimedia Laboratories Ntt Docomo Inc.
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Ohya T
Ntt Docomo Inc. Yokohama‐shi Jpn
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Ohya T
Department Of Applied Physics Faculty Of Engineering Kyushu University
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Ohya Tomoyuki
Multimedia Laboratories Ntt Docomo
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Yonemoto Yoshifumi
Multimedia Laboratories Ntt Docomo Inc.
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Etho Minoru
Multimedia Laboratories Ntt Docomo Inc.
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Yoshimura T
Ntt Docomo Inc. Yokohama‐shi Jpn
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Yoshimura Takeshi
Multimedia Laboratories Ntt Docomo
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Etoh M
Docomo Communications Lab. Usa Ca
関連論文
- Content Delivery Network Architecture for Mobile Streaming Service Enabled by SMIL Modification(CDN Architecture)(Special Issue on Content Delivery Networks)
- Content Distribution Network for Mobile Streaming Media(コンテンツデリバリ技術及び一般)
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