Δίκτυα καθοριζόμενα από λογισμικό
Software defined networks
KeywordsΔίκτυα καθοριζόμενα από λογισμικό ; Αρχιτεκτονική δικτύων ; OpenFlow πρωτόκολλο ; Ασύρματα δίκτυα ; Προσομοίωση
This thesis aims to describe Software Defined Networks their mode of operation plus the network parts that benefit from SDN transition. Initially, we refer to the current challenges and problems that the present network architecture is facing, also we outline the solutions which can be provided by using the SDN architecture. Then a detailed reference to OpenFlow protocol is being made, OpenFlow protocol is one of the most important communication tools in an SDN environment. In the third chapter we emphasize to the benefits we have cause of the use of SDN in Mobile and Wireless networks. Τhen on chapter four a technique is represented which is applied to the network Data Plane of network devices and is extremely useful for various SDN network applications.In chapter five we simulate three different use cases, using as a simulation tool the Mininet environment in combination with Virtual Box. Finally in chapter six we report the conclusion regarding SDN networks in addition we sumurize some challenges that SDN networks should overcome.