DE4A Service Interoperability Solutions Toolbox

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Introduction / description

Pilots

Studying Abroad

Doing Business Abroad

Moving Abroad

Reference architecture

Intermediation Pattern

User Supported Intermediation Pattern

Verifiable Credential Pattern

Lookup Pattern

Subscription and Notification Pattern

Application Services

DE4A solution overview style=padding: 10px"
Application Service Used in Pattern Description (PSA) Appl. Component (PSA)
Inquire routing information Inter, USI Generic. The DC looks up where to send the request for evidence to. This service acts as an API to lookup the routing information. Data service lookup
Cross-border evidence matching Inter, USI Generic. The DC must match required evidence cross-border. This service bundles UI and logic to support this process. Evidence type translator
Evidence exception UI USI, VC Generic. Through this service the U is informed about errors or delays with respect to the requested evidence and the U is told to return to the eProcedure portal of the DC. Evidence portal front-end
Explicit request Inter, USI Generic. The user must make an explicit request for OOP transfer of evidence. This service handles the request. eProcedure portal front-end
Persistent URL generation USI A persistent URL is generated for the purpose of navigation. Based on this URL the DC can forward/redirect the U to the portal of the DP for the required evidence. Evidence portal back-end
Evidence shredder Inter For various reasons (request by user or established time limit for the data) evidence must be deleted. This service bundles UI and logic to support this. Evidence interchange back-end
eProcedure save and resume Inter, USI, VC Generic. "Saving the (public) service request to continue at a later point in time is handled by this service. This is an important service making the user’s life easier. An eProcedure application form usually requires the user to provide several inputs, wait for evidence transfers and/or upload documents themselves. The save and resume function allows them to complete the form over several days (up to some limit), saving changes e.g. an SLA timeout on the exchange of evidence, and editing the form again as needed before submitting the final application. Beside this voluntarily choice there is also the case that things go wrong: a timeout on the exchange of evidence, a system that is down, network errors etc. The save and resume functionality also supports to recover from some error situations preventing that the user must start all over again. Session Management
eProcedure submission Inter, USI, VC Generic. After all evidence is available and the requirements of the procedure have been fulfilled the user can submit the request. This service bundles UI and handling of request submission. eProcedure portal front-end
eProcedure termination Inter, USI, VC Generic. An eProcedure can be aborted. This service terminates the requested eProcedure (public) service. eProcedure portal front-end
Message decryption Inter, USI Generic. Both DC and DP decrypt messages to allow for secure cross-border exchanges of data. This service handles decryption of data (symmetrical, asymmetrical or a combination). Data encryption/decryption
Message encryption Inter, USI Generic. Both DC and DP encrypt messages to allow for secure cross-border exchanges of data. This service handles encryption of data (symmetrical, asymmetrical or a combination). Data encryption/decryption
e-Signature Verification and Validation Service Inter, USI Generic. Both DC and DP verify/validate eSignatures supported by this service. Shares the functionality of the verification of documents that are signed electronically. An ‘electronic signature’ means data in electronic form which is attached to or logically associated with other data in electronic form and which is used by the signatory to sign. ‘validation’ means the process of verifying and confirming that an electronic signature is valid. Trust Service Provisioning Component
Alternative channel Inter, USI, VC Generic. If the user identity cannot be established the user is redirected to an alternative channel. This service supports the handling of this. eProcedure portal back-end
e-Signature Creation Service Inter, USI Generic. Shares the functionality of signing data in electronic form, e.g. by using PKI based certificates. In EIRA sense it means signed by a natural person, no legal person, and an ‘electronic signature’ means data in electronic form which is attached to or logically associated with other data in electronic form and which is used by the signatory to sign. Trust Service Provisioning Component
Data Exchange Service Inter, USI Generic. Shares the functionality that enables the secure exchange of messages, records, forms and other kinds of data between different ICT systems. This includes data routing, except endpoint discovery Data Exchange Component
eProcedure confirmation Inter, USI, VC Generic. The acknowledgment that all required evidence is received by the DC is confirmed to the U by this service. eProcedure portal front-end
Authentication initiation Inter, USI, VC Generic. The DC asks the user to authenticate him/herself. This service initiates the authentication process. Identity Management Component
Procedural requirements determination Inter, USI, VC Generic. The DC determines the applicable requirements for a procedure. This service supports this requirements determination and bundles UI and logic to do so. eProcedure rules engine
Legal basis check (2x) Inter, USI Generic. The DC establishes for both the request and the preview whether this is allowed under applicable Union or national law in which case no user request or approval is needed. Authorization controller
Evidence request tracker Inter, USI Generic. The DC establishes the technical availability of evidence. Was some piece of evidence received, did a timeout occur (SLA) or was an error code returned by the DP? This service keeps track of requested evidence. Evidence interchange back-end
Evidence status tracker Inter, USI Generic. The DC keeps track of evidence requested versus evidence received. This service bundles the UI and logic to support this. Evidence interchange back-end
Available evidence determination Inter, USI Generic. The DC looks what required evidence is already available for the user on national level (doesn’t have to be requested). This service includes querying national base registers for available evidence. eProcedure rules engine
Requirements/evidence matching (2x) Inter, USI, VC Generic. The DC matches the requirements with available evidence. This service bundles UI and logic to match the requirements with available evidence in order to establish if there is a delta (missing evidence). The first use of this service takes place after establishing the procedural requirements (i.e. evidence already available in the DC MS), the second use is after evidence collection to establish completeness (i.e. then also including exchanged evidence)." eProcedure rules engine
Evidence status overview Inter, USI, VC Generic. The DC updates the evidence status. This is supported by this service. Evidence interchange front-end
Evidence lookup Inter, USI, VC Generic. The DP has to extract the evidence from some registry. This service bundles the functionality to look up and retrieve the evidence from a DP or central MS registry. Evidence query
Extended identity matching UI USI, VC Generic. The U is presented with a UI in order to provide additional information in order to do the identity matching. This service handles this. Record Matching
eProcedure Initiation Inter, USI, VC Generic. The user can start a specific eProcedure to receive a public service and provide an initial set of information. The service bundles UI and handling of the data provided by the user. eProcedure portal front-end
Evidence Preview Inter, USI Generic. The user must be able to preview and approve the evidence. This service bundles UI and approval handling before the DC can use the evidence. Evidence interchange front-end
User Authentication (UI) Inter, USI, VC Generic. User Interface for entering credentials, e.g. user/password, to be used for authentication purposes. Identity Management Component
Identity/record matching Inter, USI, VC Some identity matching is foreseen on both DC and DP side based on eIDAS attributes (mandatory and possibly optional attributes) as well as (maybe) additional attributes to establish the identity of the user in some MS local registry. This service deals with the record matching (automatic and/or manually). Record matching
Authority check Inter The DP establishes that the DC can request the evidence. This service handles the lookup of authorisation. At the moment we consider the possibility for this check to be specific to the evidence type, i.e. is authority A allowed to request evidence type X (cf. Authority to evidence matrix in Table 13). Authorization controller
Prepare Preview before transfer USI The DP prepares a preview for the U and displays it in the UI of the evidence portal. Evidence portal back-end
Prepare Preview after receiving Inter The DC prepares a preview for the U and displays it in the UI of evidence interchange management. Evidence interchange back-end
Receive (public) service result Inter, USI, VC The user process end (happy flow) with receiving the result of the (public) service. This service takes care of this. N/A
Error handler Inter, USI, VC This application service is used for handling error situations with respect to:

• non-availability of OOP • non-availability or delay of evidence

Evidence portal back-end

Application Components

Applications Collaborations

The Application Collaboration views show how different functional application components interact via interfaces in order to provide the services identified in the Business Process realization Views.

eProcedure portal

Information desk

Evidence Interchange Management

Trust architecture

Data Logistics

Evidence portal

Evidence retrieval

Authority agent

User agent

DE4A Common Components

WP3 Semantic components

WP5 Common components

MS Solutions

Getting started

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