Feedback consolidation and timeout algorithms for point-to-multipoint ABR service

Hung Shiun Alex Chen, Klara Nahrstedt

Research output: Contribution to journalArticlepeer-review


The "wait-for-all" feedback consolidation algorithm avoids consolidation noise, but suffers from a slow transient response. Probabilistic Aggregation and Fast Overload Indication techniques have been proposed to preserve the advantages of the "wait-for-all" algorithm and improve its slow transient response. However, these techniques introduce a new "threshold setting" problem. We developed a new consolidation algorithm to provide a fast transient response, a low consolidation noise and flexibility in determining the threshold. In addition, we developed a dynamic timeout mechanism to handle the non-responsive branches where the membership within a multicast session changes due to frequent joining/leaving of members (leaves).

Original languageEnglish (US)
Pages (from-to)135-139
Number of pages5
JournalIEEE International Conference on Communications
StatePublished - 1999

ASJC Scopus subject areas

  • Computer Networks and Communications
  • Electrical and Electronic Engineering


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