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Subject: [regrep] Distinguishing a Replica from an original RegistryObject
See attached data point on this subject from KIEC (Jasmine Jang). Thanks. Monica ======================================================================== ================================================= From Farrukh: >Thanks Monica. This is a good data point. From Monica: >>Farrukh, >>Here is the helpful response I received from Jasmine Jang, KIEC, on >>replication of Registry Objects. This is an information point >>validating our effort. >> >>Thanks. >>Monica >> From Jasmine Jang, KIEC: >>Monica, >> >>I've reviewed v.3.0 draft. Techical considerations are enough to build >>the cooperations among various registries. >>Thank you, Najmi, Stojanovic and MacKenzie so much. >>In Korea, the regrep(v.2) are now implemented in Steel and Iron >>Industry. Next, I have a plan to build the cooperation between KIEC's and Steel's. >>Be happiest, today. >> >>Best regards >>Jasmine From Monica: >>Jasmine, >>As the Reg/Rep team's works to move to a v3.0 specification, we are >>discussing replicas for an original RegistryObject. Looking at the >open questions below, I believe that KIEC could provide some real-world >input here so that what we propose and move forward with will meet business >>needs. >> >>Can you provide some insight or suggestions? We can provide further >>detail if needed. I am basing this inquiry to you on replication being >>discussed in the brief you sent me in May 2002 (see attached). >> >>Thanks. From Farrukh N: >>The RS 2.2 spec introduces a new Object Replication feature. Object >>replication allows a registry to create local replicas of >>RegistryObjects in other registries. The specification of this feature >>raises a few questions: >> >>1. Should there be a way for a registry client to be able to tell >>whether a RegistryObject is an original or whether it is a replica? Use >>cases would be appreciated. >> >>Assuming that the answer to (1) is yes then it brings up additional >>questions on how the information model should distinguish a replica >from an original. >> >>a) One possibility is that every RegistryObject have a boolean >attribute isReplica >>b) Another possibility is that every RegistryObject have a String >>attribute called home, which contains the baseURI to the home registry >>for an object. It can be null if the home registry is the local >>registry. >>Both a) and b) are not desirable since they can have conflicting >values. >>Thanks in advance for your input and for getting input from KIEC. -- Regards, Farrukh
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