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if we look at the manufacturers’ vision, we see two avenues, which are represented by VMware and Cisco: software-orientation and hardware-orientation. The software-oriented vision is installed on the physical machines of practically all manufacturers, while hardware-orientation is greatly favorable for manufacturers – especially well-established ones.

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      Figure 2.18. OpenFlow market, and more generally SDN market. For a color version of the figure, see www.iste.co.uk/pujolle/software2.zip

      Even though today, the SDN is made for high capacity networks, there is a strong chance that it will become widely used on the periphery and that SDN will prove to be the right solution for controlling all peripheral devices. In particular, OpenFlow Wi-Fi access points are coming onto the market, and are likely to make their presence felt fairly quickly, with SDN following on in their wake. This will be the subject of Chapters 4 and 9. They focus on smart edge.

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