Use case 3: Firewall and DNS in multidomains
This chapter describes different ways to design the IBM Software Defined Network for Virtualized Environments (IBM SDN VE) design, either by combining it with third-party vendor products such as firewalls and load balancers in the overlay (as a virtual appliance), in the underlay as a gateway path, or a combination of both solutions. The first part of the chapter contains architecture for network designs and explains how the flow works between overlay and underlay functions, including firewall routing. ...

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