SOA Suite 12c: Topology Suggestions by Jay Kasi

In this article, I make some suggestions and provide opinions on topologies for SOA Suite 12c that is commonly used and supported. Only the EDG topology is thoroughly tested by Oracle though.
  • One consideration when deciding on topologies is that Upgrade is always domain wide. All products deployed to the domain must release in the same release train and you should be willing to upgrade all of them at the same time.
  • Centralized administration is one factor but should not be the only reason to put two different products in the same domain. EM Cloud Control could be used as a solution for that.
  • Typically Service Bus and SOA Suite belong in different tiers in an end to end architecture so they would be in separate domains. This is true if Service Bus is being used on an enterprise scale routing to multiple SOA domains and other services. However if Service Bus is used primarily for mediating and providing routing for SOA Suite Composites in a domain, it would be in the same domain, but typically in separate clusters for optimum performance and scalability. However it  is possible starting in 12c to have Service Bus and SOA Suite in the same cluster.  The only possible reason for this is reducing memory and is uncommon.
  • Governance products like OER and UDDI should not be in a SOA Suite or Service Bus domain. They should be in a separate domain. OER should be in a separate domain from UDDI. UDDI is a third party product and putting it in the same domain may cause upgrade issues.
  • You can target multiple products to the same cluster by targeting the appropriate user extensible server group to  the servers in the cluster.
    1. SOA Suite is targeted to a server by targeting either the user extensible server group SOA-MGD-SVRS or SOA-MGD-SVRS-ONLY.
    2. Service Bus is targeted to a server by targeting either the user extensible server group OSB-MGD-SVRS-COMBINED or OSB-MGD-SVRS-ONLY.
    3. BAM is targeted to a server by targeting either the user extensible server group BAM12-MGD-SVRS or BAM12-MGD-SVRS-ONLY.
    4. MFT is targeted to a server by targeting either the user extensible server group MFT-MGD-SVRS or MFT-MGD-SVRS-ONLY.
    5. ESS is targeted to a server by targeting the user extensible server group ESS-MGD-SVRS. .
  • BAM sometimes is used outside of SOA Suite and in this case it is typically in a separate domain from SOA Suite. However BAM should be in a separate cluster in the same domain as SOA Suite if it is primarily used with that SOA Suite instance. In BAM 12c, integration between SOA Suite and BAM is a tight integration and is best done in the same domain. BAM and SOA Suite should not be co-located in the same cluster because BAM uses Automatic Service Migration for HA while SOA Suite uses Whole Server Migration.
  • OWSM Policy Manager must be deployed to only one cluster in a domain. However SOA Suite, OSB, BAM and MFT templates target OWSM PM by default to their own clusters. Read the complete article here.

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About Jürgen Kress
As a middleware expert Jürgen works at Oracle EMEA Alliances and Channels, responsible for Oracle’s EMEA Fusion Middleware partner business. He is the founder of the Oracle SOA & BPM and the WebLogic Partner Communities and the global Oracle Partner Advisory Councils. With more than 5000 members from all over the world the Middleware Partner Community is the most successful and active community at Oracle. Jürgen manages the community with monthly newsletters, webcasts and conferences. He hosts his annual Fusion Middleware Partner Community Forums and the Fusion Middleware Summer Camps, where more than 200 partners get product updates, roadmap insights and hands-on trainings. Supplemented by many web 2.0 tools like twitter, discussion forums, online communities, blogs and wikis. For the SOA & Cloud Symposium by Thomas Erl, Jürgen is a member of the steering board. He is also a frequent speaker at conferences like the SOA & BPM Integration Days, JAX, UKOUG, OUGN, or OOP.

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