Logical optical line terminal technologies towards flexible and highly reliable metro- and access-integrated networks
作者： Satoru Okamoto , Takehiro Sato , Naoaki Yamanaka
DOI: 10.1117/12.2250693
关键词: Passive optical network 、 Optical line termination 、 Network virtualization 、 Computer network 、 Network access point 、 10G-PON 、 Computer science 、 Network service 、 Optical Transport Network 、 Internet access 、 The Internet 、 Access network 、 Quality of service 、 Software-defined networking
摘要: In this paper, flexible and highly reliable metro access integrated networks with network virtualization software defined networking technologies will be presented. Logical optical line terminal (L-OLT) active distribution (ODNs) are the key to introduce flexibility high reliability into networks. Elastic Lambda Aggregation Network (EλAN) project which was started in 2012, a concept of programmable (P-OLT) has been proposed. A role P-OLT is providing multiple services that have different protocols quality service requirements by single OLT box. Accommodated Internet access, mobile front-haul/back-haul, data-center leased line. L-OLTs configured within box support functions required for each service. Multiple P-OLTs units (P-ONUs) connected ODN. Optical paths capacity set on ODN provide from L-OLT logical ONUs (L-ONUs). The L-ONU path provides connection. Therefore, introducing becomes possible. One example moving an one another like virtual machine. This movement called migration. migration such as energy saving aggregating limited number P-OLTs, wide restoration. Other experimental results also discussed paper.
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