13.9. Summary
Table 13.1 summarizes some of the differences between the two industry terms and their underlying technologies. These are not highlighted as points of differentiation but mainly to draw out the likely convergence points and the trends in the industry as the efforts come together and evolve.
| Feature | E-services | Web Service | Comments |
|---|---|---|---|
| Service invocation | Primarily network object-based | Document exchange-based | — |
| Security provisions | Fine-grained (method level) possible | Large-grained control possible | Web services security is evolving |
| Service description | Vocabularies, Contracts | XML Schema, Several process definition languages | No specific emerging standard |
| Service registries and discovery ... |
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