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This feature and the existence of the SDN controller allow the developing of dynamic, adaptable and manageable networks, networks that require adequate services, and applications. However, the separation of these planes prevents the use of existing powerful tools that were coded considering traditional networks. In this paper, we make use of the potential of network virtualization (NV) technologies to propose the use of a virtualized infrastructure that makes possible the incorporation of these existing services and\/or applications to an SDN network, without the need for programming additional and complex software modules in the SDN controller. Thus, in this paper, NV is not employed to develop a network managed by SDN but to broaden and give support to the SDN control layer. As an example, we describe the incorporation of <jats:italic>nmap<\/jats:italic> (a versatile and powerful tool widely used by security experts for network exploration) into the SDN framework. It is only necessary to develop a simple control plane service that thanks to the proposed virtualized infrastructure allows the inclusion of this powerful management application. The result offers the complete functionality of the <jats:italic>nmap<\/jats:italic> utility to the network administrators, who control the SDN network through the out\u2010of\u2010band control plane. In addition, a northbound REST API has been defined to offer the main functionality of the tool (host discovery, port scanning, and operating system detection) to the application layer.<\/jats:p>","DOI":"10.1002\/dac.3961","type":"journal-article","created":{"date-parts":[[2019,4,18]],"date-time":"2019-04-18T03:00:21Z","timestamp":1555556421000},"update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":2,"title":["A virtualized infrastructure to offer network mapping functionality in SDN networks"],"prefix":"10.1002","volume":"32","author":[{"ORCID":"https:\/\/orcid.org\/0000-0003-1296-7158","authenticated-orcid":false,"given":"Pilar","family":"Manzanares\u2010Lopez","sequence":"first","affiliation":[{"name":"Department of Information Technologies and Communications Technical University of Cartagena  Cartagena Spain"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-8342-4797","authenticated-orcid":false,"given":"Juan Pedro","family":"Mu\u00f1oz\u2010Gea","sequence":"additional","affiliation":[{"name":"Department of Information Technologies and Communications Technical University of Cartagena  Cartagena Spain"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-8137-1089","authenticated-orcid":false,"given":"Josemaria","family":"Malgosa\u2010Sanahuja","sequence":"additional","affiliation":[{"name":"Department of Information Technologies and Communications Technical University of Cartagena  Cartagena Spain"}]},{"given":"Adrian","family":"Flores\u2010de\u00a0la\u00a0Cruz","sequence":"additional","affiliation":[{"name":"Department of Information Technologies and Communications Technical University of Cartagena  Cartagena Spain"}]}],"member":"311","published-online":{"date-parts":[[2019,4,17]]},"reference":[{"key":"e_1_2_8_2_1","unstructured":"Openflow. 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