[Tdwg-tag] Position of GBIF in architecture and centralization of services. Correction

[Bob Morris]

I meant, as written in the full sentence, "rules out the architecture 
being limited to". Per commentary at end, I definitely DO NOT want to 
rule out central architectures or indexing.



Bob Morris wrote:

>Instead of your "rules out the architecture being based on" wording, I 
>would prefer to see "rules out the architecture limited to":
>
>This effectively rules out the architecture being limited to centralized 
>data warehouse or indexing service beyond the hosting of standards files 
>by TDWG itself - possibly as part of its collaborative infrastructure.
>
>What I really believe is that warehousing and indexing should certainly 
>be supported use cases, but so should be the kinds of direct queries 
>otherwise discussed. In fact, I suspect that what one will find is that 
>the warehousing and indexing requirements will come down to exactly 
>those for direct queries PLUS appropriate support for caching support 
>(e.g. data validity contracts), provenance and maybe access control. The 
>idea of separating those three in
>discussion is appealing to me because I suspect they are orthogonal to 
>each other and to the other data storage and exchange issues. GBIF's 
>experience will be valuable about "what got left out" in expanding the 
>original distributed dreams (DiGIR, BioCase) into contemporary 
>centralized realities. Central vs. distributed information processing 
>and data provision is a perennial debate and in the end always seems to 
>come down to current network and server hardware technologies. In 
>various contexts, I have seen this question flip-flop many times since 
>my first serious programming in 1965 on an IBM 1620. (Very cool CPU 
>architecture: BCD arithmetic by table lookup. You loaded the arithmetic 
>tables into low memory. The result was that you could make the machine 
>do hardware arithmetic in any base up to 10. Excellent for number 
>theory...). It will flip again, many times in the future.
>
>Bob
>
>
>
>Roger Hyam wrote:
>
>  
>
>>*Centralization of services*
>>The TDWG architecture should not rely on any third party providing a 
>>particular piece of infrastructure indefinitely. This effectively 
>>rules out the architecture being based on any centralized data 
>>warehouse or indexing service beyond the hosting of standards files by 
>>TDWG itself - possibly as part of its collaborative infrastructure.
>>
>>
>>Roger
>>
>>
>>I
>>
>>------------------------------------------------------------------------
>>
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>> 
>>
>>    
>>
>
>  
>

-- 
Robert A. Morris
Professor of Computer Science
UMASS-Boston
ram at cs.umb.edu
http://www.cs.umb.edu/efg
http://www.cs.umb.edu/~ram
phone (+1)617 287 6466