IETF 63 LTANS, Paris. Peter Sylvester. LTAP protoco - PowerPoint PPT Presentation

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IETF 63 LTANS, Paris. Peter Sylvester. LTAP protoco

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Title: IETF 63 LTANS, Paris. Peter Sylvester. LTAP protoco


1
LTAP presentation
  • Peter Sylvester
  • EdelWeb
  • Peter.sylvester_at_edelweb.fr

2
LTAP layering
  • We dont handle everything!

3
Services Overview
4
Infrastructures
  • Basic infrastructure of trusted archive service
  • Interaction protocol
  • Archive objects
  • Data
  • Metadata
  • Digital signatures
  • Conservation attributes
  • Archive meta data
  • Complementary data
  • Evidence data
  • Supporting infrastructure of trusted archive
    service
  • Communication network
  • Security mechanisms
  • Time stamping
  • Data storage or document management system

5
Interactions
  • Message based technical and formal interpretation
    of archive services
  • Transaction based (asynchronous operation)
  • Request
  • Acknowledge (technical)
  • Response (business)
  • Support for services
  • archive/status/verify/export/delete defined by
    service
  • Underlying authorization and transport services
  • SAML, SOAP, SSL, etc.

6
Transactions
  • Asynchronous by need
  • Need to wait until evidence available
  • Implemented using polling via status function
  • Request, acknowledge, final result
  • Client in only need 1 function status

7
Basic functions
  • Archive insert data in the archive
  • Status determine status of archived data
  • Transfer export archive data and evidence data
  • Delete delete archive data and evidence data
  • Verify demonstrate data integrity and
    authenticity

8
LTAP service
  • Most importing archiving
  • not an ebXML registry
  • Access, transfer are rare operations
  • At least during lifetime of objects, then
    transfer to historical archives
  • Client do not need to implement all functions

9
Management
  • Changes done via transfer
  • E.g. Changing of archive periods
  • Policies and configurations by reference
  • Minimization of parameters
  • Parameters to be configured a priori
  • Metadata from other layers
  • Entity identifiers and scope metadata, e.g.
    jurisdiction
  • Out of scope front ends e.g. notarization
  • specialized front ends for authentication

10
Archive objects
  • Archive data
  • Raw data
  • Metadata
  • Security attributes (digital signatures)
  • Conservation attributes
  • Archive meta data
  • Complementary data
  • Evidence data

11
Archive data
12
Status
  • Document version 00 out
  • Metadata not completely clear
  • Collections/groups to be done
  • Adjusted with ERS
  • Some concerns about physical deletion
  • Data structures not yet fully defined

13
General Information
  • Authors
  • Aleksej Jerman Blazic, SETCCE
  • Peter Sylvester, EDELWEB
  • Carl Wallace, ORIONSEC
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