Hi Alan, I would venture to suggest that in some ways the interface chosen for all of these use cases depends on what type of cloud-cloud interaction you have. Where it is totally decoupled cloud providers, e.g. Amazon and Elastic hosts then the consumer needs to be more in control as there is unlikely to be any cloud-cloud agreements in place about synch etc. Where it is more of a federation of clouds, e.g. A national e-infrastructure cloud setup that is effectively a hybrid cloud configuration then there will be much closer cloud-cloud linkage and so richer interfaces and tools can be used, an example of which might be iRODS/SRB type system which allows metadata etc to be given to shared cloud resident data. Therefore the interfaces chosen are a good starting point but for a real quality user experience you are going to want more. David -- =================================== Dr David Wallom Oxford e-Research Centre University of Oxford Rm 160, 7 Keble Road Oxford OX1 3QG +44(0)1865 610601 =================================== On 21/01/2011 21:01, "Sill, Alan" <alan.sill@ttu.edu> wrote:
Any opinions?
Begin forwarded message:
From: Lee Badger <lee.badger@nist.gov<mailto:lee.badger@nist.gov>> Date: January 21, 2011 2:37:30 PM CST To: Multiple recipients of list <cc_sajacc@nist.gov<mailto:cc_sajacc@nist.gov>> Subject: ideas for the first sajacc interface - two requests Reply-To: "cc_sajacc@nist.gov<mailto:cc_sajacc@nist.gov>" <cc_sajacc@nist.gov<mailto:cc_sajacc@nist.gov>>
Dear All,
I'd like to suggest that we consider a subset of our use cases in order to identify the first interfaces for sajacc testing.
The following use cases are data-oriented and, I'm hoping, we'll be able to make progress with them.
3.4 Copy Data Objects Into A Cloud: <http://www.nist.gov/itl/cloud/3_4.cfm> http://www.nist.gov/itl/cloud/3_4.cfm 3.5. Copy Data Objects Out of a Cloud: <http://www.nist.gov/itl/cloud/3_5.cfm> http://www.nist.gov/itl/cloud/3_5.cfm 3.6. Erase Data Objects In a Cloud: <http://www.nist.gov/itl/cloud/3_6.cfm> http://www.nist.gov/itl/cloud/3_6.cfm 4.1. Copy Data Objects between Cloud Providers: <http://www.nist.gov/itl/cloud/4_1.cfm> http://www.nist.gov/itl/cloud/4_1.cfm
(1) Please let us know if you'd choose differently by replying to the mail list.
Regarding interfaces that might satisfy the use cases, in the sajacc breakout group in Nov. in Gaithersburg, Mark Carlson suggested CDMI as a possibility, supported with various combinations of secure remove, FTP, gridFTP, SCP, and OCCI. There are other possibilities as well.
(2) Assuming 3.4, 3.5, 3.6, and 4.1 are reasonable use cases to start with, please let the mail list know which data-oriented interfaces you believe are appropriate for these use cases.
Thanks.
Lee
Lee Badger Computer Scientist Computer Security Division National Institute of Standards and Technology (301)975-3176
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