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Design guidelines > Analyze design options - Pg. 162

3. Runtime pattern The Application pattern provides us with the Direct Connection runtime pattern for the proposed solution. Since this solution represents the first-step in SOA transformation for ITSO Good, we select the generic profile of the Direct Connection runtime pattern to keep the proposed solution simple. Figure 10-4 shows the level 0 decomposition of the generic profile of the Exposed Direct Connection runtime pattern, mapped onto the Exposed Direct Connection application pattern. Partner Zone Inter-enterprise Zone Enterprise Demilitarized Zone Enterprise Secure Zone App Server/ Services Protocol Firewall Domain Firewall Directory & Security Services App Server/ Services Exposed Connector App Server/ Services App Server/ Services Network Infrastructure Connector