Commercial Dependency between Software Service Providers Concept Types

Commercial Dependency between Software Service Providers: Concept, Types, and Representation Orouba Almilaji 2004 1

Outline n n n Commercial Dependency in Saa. S Causes Commercial Dependency Types Commercial Dependency Attributes Representing Commercial Dependency Example 2

Commercial Dependency n n n The freedom to substitute one service for another implies that switching between different service providers is always possible at the time of adaptation. In reality, switching between different parties in the market or changing the type of the relationships between business partners may not always be flexible. Those relationships which add difficulties to substitution flexibility are referred to as commercial dependencies. 3

Commercial Dependency n The essential relationships that are needed between service providers and service users to drive the composition of the service, in which any violation of these relationships will result in a cost. S 1 S 2 S 1 Service of the Depender Service of the Antecedents S 2 S 3 Arrows represent the Co. D between the actors; circles represent the service 4

Causes n Availability Factors – – – n Uncertainty, Volatility of the Saa. S Market Legislation and Government Power Monopoly Commercial Arrangement (Contractual Agreements) 5

Commercial Dependency Types n Dependency of Contracting Sequentiality Exclusive Dependency Hidden Dependency Compulsory Dependency Charging Mechanism Dependency n Legal Dependency n n 6

Commercial Dependency Attributes n n n Dependency Stability Transitive Impact The Cost of Breaching the Dependency 7

Representing Commercial Dependency Using Conceptual Graphics n How to represent a multi-level view of all the transitive dependencies such that they allow the service actors at the adaptation time to navigate through the dependency hierarchy layers, in order to make important decision regarding how much it costs to substitute a particular service and whether to switch to another service or not. Depender Service a Entity Attribute (value) C de omm pe e nd rci en al cy Antecedent Service b Entity 8

Example: Pricing service Attribute s Co D Statistical information service Attribute s Co D National statistics service Financial advising service Co D Monitoring market service Attribute s Co D Forecasting service 9

Questions and Comments! 10