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Subject: Registry Capability Comparison Matrix
I had an AI from yesterday's meeting to share a Registry Comparison Capability Matrix (RCCM) that I had done comparing LDAP, UDDI and ebXML Registry. This dovetails well with the presentation Elliot posted earlier today under the subject "Interoperability among Types of Registries" as it provides background detail upon which registry standards may be objectively compared based upon identified requirements for egov registries. Attached is the first draft of the RCCM. I have added ISO 11179 to my original CCRM but its column is largely incomplete at the moment. The first step could be that we review the requirements and agree upon them. Next, we could identify which columns (standards) to include in the CCRM. Finally, we could review the matrix, fill in missing values, correct any mistakes and make any other improvements. Please share your thoughts on the proposed requirements driven approach to comparing registry capabilities. PS: John, can you tell we which folder under TC documents should I place this document. If the TC agrees, I will be glad to serve as the editor for the CCRM and main this document as it gets refined within the TC. -- FarrukhTitle: Registry Capability Matrix
Requirement |
LDAP |
UDDI V3 |
ebXML Registry V3 |
ISO 11179 |
|
Standard Metadata |
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Arbitrary Content (content repository) |
|
|
? |
||
Content specific Validation |
|
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Content specific Cataloging |
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Version control |
|
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Pre-defined queries |
|
|
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Ad hoc queries with predicate support |
? |
|
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Pre-defined taxonomies |
|
|
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User-defined taxonomies |
|
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Taxonomy browsing and validation |
|
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Ontology support |
[ebrr_ontology] |
||||
User-defined Associations |
|
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Simple event notification |
|
|
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Content based event notification |
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Service registration / discovery |
|
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Collection support (ability to group things
together) |
|
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Security |
|||||
Digital signature authentication |
|
|
|
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Custom Acess Control based on identity, role,
group |
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Audit trail |
|
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Architecture |
|||||
Object replication |
|
|
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Federated queries |
|
|
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Remote object refereneces from one node to
another |
|
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Object oriented information model |
? |
|
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Extensible information model (Metadata is
extensible) |
|
|
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Extensible API |
|
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HTTP API binding |
|
|
? |
||
SOAP API binding |
|
|
? |
||
ebMS API binding |
|
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