GESSI:
Software Engineering for Information Systems Group

Extended ISO/IEC 9126-1

Functionality					ISO/IEC 9126-1
	1	Suitability			ISO/IEC 9126-1
	2	Accuracycy			ISO/IEC 9126-1
		1	Verifiableness		Provision of resources to allow the tracking and verification of the right or agreed results or effects
			1	History Control	Capability of the system to provide a history of the changes on the data managed
			2	Data Versioning	Capability of the system to store/provide versions of the data managed by the system
			3	Logging Capabilities	Logging mechanisms implemented into the system
		2	Effectiveness		Mechanisms to determine the amount of right or agreed results or effects
			1	Self Tests Results	Provision of mechanisms to perform direct tests of  the right or agreed results or effects over the system
			2	Published Tests Results	Third party reports of right or agreed results or effects of the system in similar environments
	3	Interoperabilityerability			ISO/IEC 9126-1
		1	Direct Interoperability		Capability of the system to directly interact with specified systems
			1	By Means of Protocols	Capability to directly interact with other systems by means of supported protocols
			2	By Means of APIs	Capability to directly interact with other systems by means API libraries provided
		2	Indirect Interoperability		Capability to interact with other systems by means of indirect mechanisms
	4	Securityy			ISO/IEC 9126-1
		1	Application Security		Mechanisms to prevent the accidental or deliberated unauthorized access system functionality
			1	Provided by the Application	Mechanisms provided by the system itself
			2	Provided by Third Parties	Mechanisms provided by the system with the aid of third party organizations
		2	Data Security		Mechanisms to prevent the accidental or deliberated unauthorized access to the data managed by the system
			1	Stored Data	Mechanisms to prevent the unauthorized access to the data stored by the systems
			2	Transmitted Data	Mechanisms to prevent the unauthorized access to the data transmitted by the systems
	5	Functionality Compliance			ISO/IEC 9126-1
Reliability					ISO/IEC 9126-1
	1	Maturityturity			ISO/IEC 9126-1
		1	Product Historyduct History		Historic data of the system which lead to the provision of more mature versions over the time
		2	Robustness		Mechanisms to maintain a history of system faults affecting system operation
			1	Pre-operation Robustness	Mechanisms to maintain a history of system faults affecting system operation before the system is made available to the users
			2	Operation Robustness	Mechanisms to maintain a history of system faults affecting system operation after the system has been made available to the users
	2	Fault Tolerance			ISO/IEC 9126-1
		1	Transparencynsparency		Capacity of the system to keep functioning without making the users aware of its faults
		2	Tolerance Level		Capacity of the system to be configured to keep with its operation without been stopped by certain tolerable level of failure
		3	Failover Capabilitiesover Capabilities		Mechanisms provided by the system to keep up with its operation in case of failure
	3	Recoverability			ISO/IEC 9126-1
		1	System Recoverabilitytem Recoverability		Capacity of the system to restore its level of performance after faults
		2	Data Recoverability		Capacity of to restore the data managed after faults
			1	System Data	Capacity of the system to restore the system data after faults
			2	User Data	Capacity of the system to restore the users data after faults
	4	Reliability Compliance			ISO/IEC 9126-1
Usability					ISO/IEC 9126-1
	1	Understandabilityderstandability			ISO/IEC 9126-1
		1	Interface Understandabilityerface Understandability		Effort for recognizing the logical concept and its applicability by means of its interface
		2	Global Structure		Effort for recognizing the logical concept and its applicability by means of global structure
	2	Learnability			ISO/IEC 9126-1
		1	Trainingining		Training mechanisms provided to learn the software application
		2	Documentation		Documentation which can be used to learn the software application
			1	Provided Documentation	Documentation provided with the software application
			2	External Documentation	External documentation other than the one provided with the software application
	3	Operabilitybility			ISO/IEC 9126-1
		1	System Taylorability		Mechanisms of the system to be configured to operate in a certain way
			1	Global System Taylorability	Mechanisms  of the system to be configured by its administrator to operate in certain way
			2	User System Taylorability	Mechanisms  of the system to be configured by the final users to operate in certain way
		2	Appearance Taylorability		Mechanisms provided by the system to configure its external appearance
			1	Global Appearance Taylorability	Mechanisms provided by the system by its administrator to configure its external appearance
			2	User Appearance Taylorability	Mechanisms provided by the system by the final users to configure its external appearance
	4	Attractiveness			ISO/IEC 9126-1
		1	Navegabilityvigability		Mechanisms provided by the system to make it easy to navigate
		2	Appearance Taylorability		Mechanisms provided by the system to configure the appearance of the environment  to make it more attractive
			1	Global Appearance Taylorability	Mechanisms provided to the system administrator to make the global environment more attractive
			2	User Appearance Taylorability	Mechanisms provided to the system users to make its personal environment  more attractive
	5	Usability Compliance			ISO/IEC 9126-1
Efficiency					ISO/IEC 9126-1
	1	Time Behaviour			ISO/IEC 9126-1
	2	Resource Utilization			ISO/IEC 9126-1
		1	Deploymentployment		Resources required by the system during its deployment
		2	Runtimentime		Resources required by the system during its normal operation
	3	Efficiency Compliance			ISO/IEC 9126-1
Maintainability					ISO/IEC 9126-1
	1	Analyzability			ISO/IEC 9126-1
		1	Analyzable Data
			1	History Control	Mechanisms provided by the system to generate a history of changes of the system data
			2	Data Versioning	Mechanisms provided by the system to generate/store versions of the system data
			3	Logging Capabilities	Provision of mechanisms to analyze the system logs
		1	Build In Analysis Capabilities		Mechanisms provided by the system to make it easy to navigate
	2	Changeability			ISO/IEC 9126-1
		1	Development Enviromentvelopment Environment		Provision of development environments in the system
		2	Development Documentation		Provision of development documentation in relation to the development environment of the system
	3	Stability			ISO/IEC 9126-1
		1	Deployment Stabilityployment Stability		Capability to avoid unexpected effects from modifications during deployment time
		2	Operational Stability		Capability to avoid unexpected effects from modifications in normal operation of the system
	4	Testability			ISO/IEC 9126-1
	5	Maintainability Compliance			ISO/IEC 9126-1
Portability					ISO/IEC 9126-1
	1	Adaptability			ISO/IEC 9126-1
	2	Installability			ISO/IEC 9126-1
		1	Built- in Installation Facilitieslt-in Installation Facilities		Built-in capabilities  to assist in system installation
		2	Installability Supportallation Support		External capabilities to assist in system installation
		3	Platform Compatibilitytform Compatibility		Capability of the system to be installed in an specific platform
	3	Coexistence			ISO/IEC 9126-1
		1	By Means of Protocols		Capability of the system to directly interact with specified systems
		2	By Means of APIs (Connectors)		Capability to directly interact with other systems by means of API libraries provided
	4	Replaceability			ISO/IEC 9126-1
	5	Portability Compliancertability Compliance			ISO/IEC 9126-1

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