4. Services & Resources
Here is the main model for service composition, also included in the Gaia-X Architecture document.
A Service Offering can be associated with other Service Offerings.
classDiagram
ServiceOffering o-- Resource: aggregationOf
Resource o-- Resource: aggregationOf
class Resource{
<<abstract>>
}
Resource <|-- "subClassOf" PhysicalResource:
Resource <|-- "subClassOf" VirtualResource
VirtualResource <|-- "subClassOf" InstantiatedVirtualResource
ServiceOffering "1" ..> "1" Participant : providedBy
PhysicalResource "1" ..> "0..*" Participant : ownedBy
PhysicalResource "1" ..> "0..*" Participant : manufacturedBy
PhysicalResource "1" ..> "1..*" Participant : maintainedBy
VirtualResource "1" ..> "1..*" Participant : copyrightOwnedBy
InstantiatedVirtualResource --> "1" Resource : hostedOn
InstantiatedVirtualResource <..> ServiceInstance : equivalent to
InstantiatedVirtualResource "1" ..> "1..*" Participant : tenantOwnedBy
InstantiatedVirtualResource "1" ..> "1..*" Participant : maintainedBy
4.1 Service offering
This is the generic format for all service offerings
| Version | Attribute | Card. | Trust Anchor | Comment |
|---|---|---|---|---|
| 1.0 | providedBy |
1 | State | a resolvable link to the participant self-description providing the service |
| 1.0 | aggregationOf[] |
0..* | State | a resolvable link to the resources self-description related to the service and that can exist independently of it. |
| 1.0 | termsAndConditions[] |
1..* | State | a resolvable link to the Terms and Conditions appling to that service. |
| 1.1 | policies[] |
0..* | State | a list of policy expressed using a DSL (e.g., Rego or ODRL) |
| 1.x | gdpr |
0..1 | see below | Specific attributes for the General Data Protection Regulation. |
| 1.x | lgpd |
0..1 | see below | Specific attributes for the General Personal Data Protection Law. (Lei Geral de Proteção de Dados Pessoais) |
| 1.x | pdpa |
0..1 | see below | Specific attributes for the Personal Data Protection Act 2012. |
TermsAndConditions structure
| Version | Attribute | Card. | Trust Anchor | Comment |
|---|---|---|---|---|
| 1.0 | URL |
1 | State | a resolvable link to document |
| 1.0 | hash |
1 | State | sha256 hash of the above document. |
Consistency rules
gdprattributes are mandatory when the service is provided in EEA or when theprovidedByparticipant is located in EEA.lgpdattributes are mandatory when the service is provided in Brazil or when theprovidedByparticipant is located in Brazil.pdpaattributes are mandatory when the service is provided in Singapore or when theprovidedByparticipant is located in Singapore.
4.1.1 GDPR
| Version | Attribute | Card. | Trust Anchor | Comment |
|---|---|---|---|---|
| x.x | to_be_defined |
1 | State, EDPB CoC | mandatory public information as defined in GDPR |
4.1.2 LDPR
| Version | Attribute | Card. | Trust Anchor | Comment |
|---|---|---|---|---|
| x.x | to_be_defined |
1 | to be defined | mandatory public information as defined in LDPR |
4.1.3 PDPA
| Version | Attribute | Card. | Trust Anchor | Comment |
|---|---|---|---|---|
| x.x | to_be_defined |
1 | to be defined | mandatory public information as defined in PDPA |
Addition specific criteria per Service Offering are described in the next section.
4.2 Resource
A resource aggregates with Service Offering.
| Version | Attribute | Card. | Trust Anchor | Comment |
|---|---|---|---|---|
| 1.0 | aggregationOf[] |
0..* | State | resources related to the resource and that can exist independently of it. |
4.2.1 Physical Resource
A Physical Resouce inherits from a Resource.
A Physical resource is, and not limited to, a datacenter, a baremetal service, a warehouse, a plant. Those are entities that have a weigth and position in our space.
| Version | Attribute | Card. | Trust Anchor | Comment |
|---|---|---|---|---|
| 1.0 | maintainedBy[] |
1..* | State | a list of participant maintaining the resource in operational condition and thus have physical access to it. |
| 1.0 | ownedBy[] |
0..* | State | a list of participant owning the resource. |
| 1.0 | manufacturedBy[] |
0..* | State | a list of participant manufacturing the resource. |
| 1.0 | locationAddress[].country |
1..* | State | a list of physical location in ISO 3166-1 alpha2, alpha-3 or numeric format. |
| 1.0 | location[].gps |
0..* | State | a list of physical GPS in ISO 6709:2008/Cor 1:2009 format. |
4.2.2 Virtual Resource
A Virtual Resource inherits from a Resource.
A Virtual resource is a resource describing recorded information such as, and not limited to, a dataset, a software, a configuration file, an AI model.
| Version | Attribute | Card. | Trust Anchor | Comment |
|---|---|---|---|---|
| 1.0 | copyrightOwnedBy[] |
1..* | State | A list of copyright owner either as a free form string or participant self-description. A copyright owner is a person or organization, that has the right to exploit the resource. Copyright owner does not necessary refer to the author of the resource, who is a natural person and may differ from copyright owner. |
| 1.0 | license[] |
1..* | State | A list of SPDX license identifiers or URL to license document |
4.2.3 Instantiated Virtual Resource
An Instantiated Virtual Resource inherits from a Virtual Resource.
An Instantiated Virtual resource is a running resource exposing endpoints such as, and not limited to, a running process, an online API, a network connection, a virtual machine, a container, an operating system.
| Version | Attribute | Card. | Trust Anchor | Comment |
|---|---|---|---|---|
| 1.0 | maintainedBy[] |
1..* | State | a list of participant maintaining the resource in operational condition. |
| 1.0 | hostedOn |
1 | State | a resource where the process is running, being executed on. |
| 1.0 | tenantOwnedBy[] |
1..* | State | a list of participant with contractual relation with the resource. |
| 1.x | endpoint[] |
1..* | State | a list of exposed endpoints as defined in ISO/IEC TR 23188:2020 |