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The authors propose Minimum Energy in the TBFCG tree (MET) and selecting Multiple Parents for recovery in the TBFCG tree (MPT) algorithms to select a new parent node for the disconnected nodes. A new parent node has to process data from not only the disconnected nodes, but also its own child nodes. In the evaluation, the energy consumption and execution time of a new parent node can be reduced by the proposed algorithms.<\/jats:p>","DOI":"10.4018\/ijdst.2020100105","type":"journal-article","created":{"date-parts":[[2020,9,2]],"date-time":"2020-09-02T11:00:52Z","timestamp":1599044452000},"page":"72-91","source":"Crossref","is-referenced-by-count":5,"title":["Fault-Tolerant Strategies in the Tree-Based Fog Computing Model"],"prefix":"10.4018","volume":"11","author":[{"ORCID":"https:\/\/orcid.org\/0000-0002-6398-4209","authenticated-orcid":true,"given":"Ryuji","family":"Oma","sequence":"first","affiliation":[{"name":"Hosei University, Tokyo, Japan"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-1064-4056","authenticated-orcid":true,"given":"Shigenari","family":"Nakamura","sequence":"additional","affiliation":[{"name":"Hosei University, Tokyo, Japan"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Tomoya","family":"Enokido","sequence":"additional","affiliation":[{"name":"Rissho University, Tokyo, Japan"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-7155-0187","authenticated-orcid":true,"given":"Makoto","family":"Takizawa","sequence":"additional","affiliation":[{"name":"Hosei University, Tokyo, Japan"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"2432","reference":[{"key":"IJDST.2020100105-0","unstructured":"AMD. 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