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Effectively supporting such traffic demands remains an open problem in data center networking. We propose an unconventional approach that leverages physical layer photonic technologies to build custom communication devices for accelerating each *-cast pattern, and integrates such devices into an application-driven, dynamically configurable photonics accelerated data center network. We present preliminary results from a multicast case study to highlight the potential benefits of this approach.<\/jats:p>","DOI":"10.1145\/2500098.2500105","type":"journal-article","created":{"date-parts":[[2013,7,2]],"date-time":"2013-07-02T14:32:49Z","timestamp":1372775569000},"page":"52-58","update-policy":"https:\/\/doi.org\/10.1145\/crossmark-policy","source":"Crossref","is-referenced-by-count":41,"title":["Rethinking the physical layer of data center networks of the next decade"],"prefix":"10.1145","volume":"43","author":[{"given":"Howard","family":"Wang","sequence":"first","affiliation":[{"name":"Columbia University, New York, NY, USA"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Yiting","family":"Xia","sequence":"additional","affiliation":[{"name":"Rice University, Houston, TX, USA"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Keren","family":"Bergman","sequence":"additional","affiliation":[{"name":"Columbia University, New York, NY, USA"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"T.S. 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