PaaS Partner Community

  • October 10, 2013

Securing the SOA Landscape part of Industrial SOA series

Juergen Kress
PaaS Partner Adoption


Security requirements are usually relatively easy to manage when using local restrictions in conventional closed systems. They become more complex in the distributed system landscape of an SOA. Not limited to only an application or an application domain anymore, security must work across a range of applications and business processes.

Numerous security standards have been created in order to realize these comprehensive security requirements. These include WS-SecurityPolicy, WS-Trust, XML Encryption, XKMS, XML Signature, WS-Federation, WS-SecureConversation, SAML1, SAML2, and many more. Currently, no product or open source framework can fully support all of these standards. In our experience, incompatibilities arise whenever an SOA product or deployed Web service framework needs to communicate outside of its small ecosystem.

Not surprisingly, project managers who are confronted with increasing expenses tend to start looking for viable alternatives. They then usually choose to develop inflexible solutions in-house that can quickly implement risky anti-patterns, such as transferring usernames and passwords within the functional payload. The variety of different standards makes it difficult to formulate a clear understanding of the available security standards and internal product dependencies, in light of the individual restrictions to designing a well-secured system.

Our aim is to provide IT experts and SOA architects with tips on how to handle security responsibly, using tried and true best practices as a basis.

How Much Security Do I Need?

Security plays a crucial role due to SOA's extensively networked nature, yet is not required by all of the different types of applications and architecture layers to the same degree. Defining both internal and external security requirements for the entire organization and its individual departments by conceptually developing the implementation is therefore important.

Read the full article at the Service Technology Magazine or Oracle Technology Network.

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