Deliverable 4.4 Toolset
Report on Risk, Benefit, Impact and Value.
Report on Risk, Benefit, Impact and Value.
The BMC technique can be used in the method outlined in D4.4 to find risks and then controls for those risks. This in turn makes it possible to estimate the related costs as part of the overall costs of curation.The purpose of this BMC is to represent a generic Business Model that can be applied to archives, serving as a template that can be instantiated to specific organizations.To develop the OAIS BMC the recommended practice CCSDS 650.0-M-2 from the Consultative Committee for Space Data Systems (Magenta Book) was used.
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"The OAIS functional entity which provides the services and functions for monitoring the environment of the OAIS and which provides recommendations and preservation plans to ensure that the information stored in the OAIS remains accessible to, and understandable by, and sufficiently usable by, the Designated Community over the Long Term, even if the original computing environment becomes obsolete." ([1], Page 1-14)
The Submission Information Package (SIP) is "an Information Package that is delivered by the Producer to the OAIS for use in the construction or update of one or more AIPs and/or the associated Descriptive Information." ([1], Page 1-15) The Archival Information Package (AIP) is an Information Package, consisting of the Content Information and the associated Preservation Description Information, which is preserved within an OAIS. ([1], Page 1-9) The Ingest Functional Entity is "the OAIS functional entity that contains the services and functions that accept SIPs from Producers, prepares AIPs for storage, and ensures that AIPs and their supporting Descriptive Information become established within the OAIS." ([1], Page 1-12)
A Dissemination Information Package (DIP) is "an Information Package, derived from one or more AIPs, and sent by Archives to the Consumer in response to a request to the OAIS." ([1], Page 1-11)
The Administration Functional Entity "provides the services and functions for the overall operation of the Archive system. Administration functions include soliciting and negotiating submission agreements with Producers, auditing submissions to ensure that they meet Archive standards, and maintaining configuration management of system hardware and software. It also provides system engineering functions to monitor and improve Archive operations, and to inventory, report on, and migrate/update the contents of the Archive. It is also responsible for establishing and maintaining Archive." ([1], Page 4-2)
The Data Management Functional Entity "provides the services and functions for populating, maintaining, and accessing both Descriptive Information which identifies and documents Archive holdings and administrative data used to manage the Archive. Data Management functions include administering the Archive database functions (maintaining schema and view definitions, and referential integrity), performing database updates (loading new descriptive information or Archive administrative data), performing queries on the data management data to generate query responses, and producing reports from these query responses." ([1], Page 4-2)
The Archival Storage Functional Entity "provides the services and functions for the storage, maintenance and retrieval of AIPs. Archival Storage functions include receiving AIPs from Ingest and adding them to permanent storage, managing the storage hierarchy, refreshing the media on which Archive holdings are stored, performing routine and special error checking, providing disaster recovery capabilities, and providing AIPs to Access to fulfil orders." ([1], Page 4-2)
"Long Term Preservation is the act of maintaining information, Independently Understandable by a Designated Community, and with evidence supporting its Authenticity, over the Long Term." ([1], Page 1-13) "Long Term may extend indefinitely. In the OAIS reference model there is a particular focus on digital information, both as the primary forms of information held and as supporting information for both digitally and physically archived materials." ([1], Page 1-1)
"The access functional entity contains the services and functions which make the archival information holdings and related services visible to Consumers." ([1], Page 1-8) It also provides the services and functions that support Consumers in determining the existence, description, location and availability of information stored in the OAIS. ([1], Page 4-2)
"Allows Consumers to request and receive information from the archive. Access functions include communicating with Consumers to receive requests, applying controls to limit access to specially protected information, coordinating the execution of requests to successful completion, generating responses (Dissemination Information Packages, query responses, reports) and delivering the responses to Consumers." ([1], Page 4-3)
"The agreement reached between an OAIS and the Producer that specifies a data model, and any other arrangements needed, for the Data Submission Session. This data model identifies format/contents and the logical constructs used by the Producer and how they are represented on each media delivery or in a telecommunication session." ([1], Page 1-15)
"An agreement between the Archive and the Consumer in which the physical details of the delivery, such as media type and format of Data, are specified." ([1], Page 1-13)
"A delivery of media or a single telecommunications session that provides Data to a Consumer. The Data Dissemination Session format/contents is based on a data model negotiated between the OAIS and the Consumer in the request agreement. This data model identifies the logical constructs used by the OAIS and how they are represented on each media delivery or in the telecommunication session." ([1], Page 1-10) A DIP Dissemination Session can either be Event based or Adhoc. In case it is event based it is "a request that is generated by a Consumer for information that is to be delivered periodically on the basis of some event or events." ([1], Page 1-11) If it is adhoc it means that there is "a request that is generated by a Consumer for information the OAIS has indicated is currently available." ([1], Page 1-9)
"A session initiated by the Consumer with the Archive during which the Consumer will use the Archive Finding Aids to identify and investigate potential holdings of interest." ([1], Page 1-15)
"A delivery of media or a single telecommunications session that provides Data to an OAIS. The Data Submission Session format/contents is based on a data model negotiated between the OAIS and the Producer in the Submission Agreement. This data model identifies the logical constructs used by the Producer and how they are represented on each media delivery or in the telecommunication session.� ([1], Page 1-11)
An Archival Information Package is "an Information Package, consisting of the Content Information and the associated Preservation Description Information (PDI), which is preserved within an OAIS." ([1], Page 1-9)
"The set of information, consisting primarily of Package Descriptions, which is provided to Data Management to support the finding, ordering, and retrieving of OAIS information holdings by Consumers". ([1], Page 1-11)
The Archiving infrastructure contains the services and functions for the ingestion, storage and retrieval of AIPs. ([1], Page 1-9)
The Query service allows consumers to perform queries on the holdings of the archive, to locate, analyse, order or retrieve potential information of interest. ([1], Page 1-15 and Page 1-8)
A service (Ordering Aid) that assists the Consumer in discovering the cost of, and in ordering, AIPs of interest. ([1], Page 1-13)
The submission service supports the SIP ingestion. Producers submit SIPs through this service and receive receipt confirmations when the SIP is correctly ingested into the Archive. ([1], Page 4-5)
"An identified group of potential Consumers who should be able to understand a particular set of information. The Designated Community may be composed of multiple user communities. A Designated Community is defined by the Archive and this definition may change over time." (Page 1-11)
The role played by those persons or client systems, which interact with OAIS services to find preserved information of interest and to access that information in detail. This can include other OAISes, as well as internal OAIS persons or systems. (Page 1-10)
The role played by those persons or client systems that provide the information to be preserved. This can include other OAISes or internal OAIS persons or systems. (Page 1-14)
[1] The Consultative Committee for Space Data Systems, Space data and information transfer systems - Open archival information system - Reference model - Magenta Book. June 2012. CCSDS 650.0-M-2.
