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We design a Tree-based Forward Digest Protocol (TFDP) to verify data integrity in distributed media streaming for content distribution. Several challenges arise, including the timing constraint of streaming sessions, the involvement of multiple senders, and the untrustworthiness of these senders. A comprehensive comparison is presented on the performance of existing protocols and TFDP, with respect to communication and computation overhead. Both simulation and Internet-based experimental results are presented to demonstrate the effectiveness of TFDP.
Index Terms- Data integrity, message digest, and media streaming.

M. Atallah, A. Habib, D. Xu, B. Bhargava and J. Chuang, "A Tree-Based Forward Digest Protocol to Verify Data Integrity in Distributed Media Streaming," in IEEE Transactions on Knowledge & Data Engineering, vol. 17, no. , pp. 1010-1014, 2005.
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