Automated generation of private federated areas

• US 10,095,554 B2
• Filed: 02/15/2018
• Issued: 10/09/2018
• Est. Priority Date: 02/05/2016
• Status: Active Grant

• Current Assignee: SAS Institute Incorporated
• Original Assignee: SAS Institute Incorporated
• Inventors: Bequet, Henry Gabriel Victor, Yang, Eric Jian, Arfaoui, Kais, Stogner, Ronald Earl
• Primary Examiner(s): PATEL, HIREN P
• Application Number:
  US15/897,707
• Publication Number:
  US 20180189112A1
• Time in Patent Office: 236 Days
• Field of Search: None
• CPC Class Codes: G06F 16/9014 hash tables
• CPC Class Codes: G06F 16/90344 by using string matching techniques
• CPC Class Codes: G06F 9/5083 Techniques for rebalancing the load in a distributed system
• CPC Class Codes: G06N 3/045 Combinations of networks
• CPC Class Codes: G06N 3/084 Backpropagation, e.g. using gradient descent
• CPC Class Codes: G06N 5/01 Dynamic search techniques; Heuristics; Dynamic trees; Branch-and-bound

Abstract

An apparatus includes a processor to: receive a request from a first remote device to provide a second remote device with access to an existing federated area; allocate storage for a new private federated accessible to the second remote device and not to the first remote device; maintain an inheritance relationship between the existing and new private federated areas in which an object stored in the existing federated area is made accessible to the second remote device to the same extent as an object in the new private federated area; and maintain a priority relationship between the existing and new private federated areas as an exception to the inheritance relationship such that priority is given to providing the second remote device with access to a task routine stored in the new private federated area over a task routine stored in the existing federated area that performs the same task.

Claims

1. An apparatus comprising a processor and a storage to store instructions that, when executed by the processor, cause the processor to perform operations comprising:

receive, at a portal, and from a first remote device via a network, a first request to provide access via the network to an existing federated area to a second remote device, wherein;

the portal is provided on the network to control access to federated areas by remote devices via the network;

the existing federated area is maintained within one or more storage devices to store multiple objects;

the multiple objects comprise multiple data sets, multiple job flow definitions, multiple task routines, multiple result reports and multiple instance logs; and

each task routine of the multiple task routines comprises executable instructions to perform a task specified to be performed by a flow task identifier in a job flow definition of the multiple job flow definitions with a data set of the multiple data sets to generate a result report of the multiple result reports;

examine a security credential associated with the first remote device to determine whether the first request is authorized; and

in response to a determination by the processor that the first request is authorized, the processor is caused to perform operations comprising;

allocate storage space within the one or more storage devices for a new private federated area, wherein the processor is caused to make a first object that is to be stored by the second remote device in the new private federated area accessible to the second remote device, and is caused to deny access to the first object to other remote devices, including the first remote device;

maintain an inheritance relationship between the new private federated area and the existing federated area, wherein the processor is caused to make a second object of the multiple objects stored in the existing federated area as accessible to the second remote device as the first object stored in the new private federated area; and

maintain a priority relationship between the new private federated area and the existing federated area as an exception to the inheritance relationship between the new private federated area and the existing federated area, wherein the processor is caused to;

determine whether the first object is a task routine comprising executable instructions;

determine whether the second object is a task routine comprising executable instructions;

determine whether the first object and the second object share a first flow task identifier that indicates that the first object and the second object perform a first task when the instructions of the first object are executed and when the instructions of the second object are executed;

in response to determinations by the processor that the first object is a task routine, the second object is a task routine, and the first object and the second object share the first flow task identifier, the processor is caused to execute the instructions of the first object to perform the first task or provide access to the first object to the second remote device to enable the second remote device to execute the instructions of the first object to perform the first task; and

in response to determinations by the processor that the second object is a task routine, and that either the first object is not a task routine or that the first object does not share the first flow task identifier with the second object, the processor is caused to execute the instructions of the second object to perform the first task or provide access to the second object to the second remote device to enable the second remote device to execute the instructions of the second object to perform the first task.

2. The apparatus of claim 1, wherein:

the first object is a first data set;

the second object is a second data set; and

the processor is caused to maintain the inheritance relationship between the new private federated area and the existing federated area by making the first data set stored in the existing federated area as available to be used as an input to an execution of a task routine stored in the new private federated area as the second data set stored in the new private federated area.

3. The apparatus of claim 1, wherein:

the existing federated area defines a root of a tree of federated areas;

the new private federated area at least partially defines a second branch of the tree;

another private federated area associated with the first remote device at least partially defines a first branch of the tree; and

the processor is caused to perform operations comprising;

allocate storage space within the one or more storage devices for the other private federated area;

make a third object stored by the first remote device in the other private federated area accessible to the first remote device; and

deny access to the third object to the second remote device.

4. The apparatus of claim 3, wherein the processor is caused to perform operations comprising:

assign a base URL to the existing federated area to enable the first remote device and the second remote device to access the existing federated area at the base URL through the network via a web access protocol;

assign a first branch URL to the other private federated area to enable the first remote device to access the other private federated area at the first branch URL through the network via a web access protocol, wherein the first branch URL comprises the base URL; and

assign a second branch URL to the new private federated area to enable the second remote device to access the new private federated area at the second branch URL through the network via a web access protocol, wherein the second branch URL comprises the base URL.

5. The apparatus of claim 1, wherein:

the new private federated area and the existing federated area are allocated within a branch of a tree of federated areas;

the existing federated area comprises an intervening federated area interposed between the new private federated area and a base federated area that defines a root of the tree; and

the processor is caused to perform operations comprising;

maintain an inheritance relationship between the intervening federated area and the base federated area, wherein the processor is caused to make a third object stored in the base federated area by the first remote device as accessible to the second remote device as the first object stored in the new private federated area; and

maintain a priority relationship between the intervening federated area and the base federated area as an exception to the inheritance relationship between the intervening federated area and the base federated area, wherein the processor is caused to;

determine whether the third object is a task routine comprising executable instructions;

determine whether the second object and the third object share a second flow task identifier that indicates that the second object and the third object perform a second task when the instructions of the second object are executed and when the instructions of the third object are executed; and

in response to determinations by the processor that the first object is not a task routine, the second object is a task routine, the third object is a task routine, and the second object and the third object share the second flow task identifier, the processor is caused to make the second object stored in the intervening federated area accessible to the second remote device, and to prevent access by the second remote device to the third object stored in the base federated area.

6. The apparatus of claim 1, wherein the processor is caused to perform operations comprising:

receive, at the portal, and from the second remote device via the network, a second request to store a task routine among the multiple task routines in the existing federated area, wherein the task routine comprises;

a third flow task identifier to indicate a third task that is performed when instructions of the task routine are executed;

an input interface by which the task routine is to receive data of at least one data set; and

an output interface;

determine whether another task routine is already stored in at least one of the existing federated area and the new private federated area that comprises the third flow task identifier to indicate that the third corresponding task is performed when instructions of the other task routine is executed; and

in response to a determination that another task routine that comprises the third flow task identifier is stored in at least one of the existing federated area and the new private federated area, perform operations comprising;

compare the input interface to a corresponding input interface of the other task routine;

compare the output interface to a corresponding output interface of the other task routine; and

in response to a determination that the input interface matches the corresponding input interface, and in response to a determination that the output interface matches or is a superset of the corresponding output interface, store the task routine among the multiple task routines and store an indication of the storage of more than one task routine comprising the third flow task identifier in one of the existing federated area and the new private federated area.

7. The apparatus of claim 1, wherein the processor is caused to perform operations comprising:

receive, at the portal, and from the second remote device via the network, a second request to store a job flow definition in the new private federated area, wherein the job flow definition comprises;

at least one flow task identifier that specifies a task to be performed when instructions of a corresponding task routine are executed; and

at least one data set identifier that specifies a data set to be used as an input to the performance of a task specified by the at least one flow task identifier;

for each flow task identifier of the at least one flow task identifier, search the new private federated area and the existing federated area to determine whether there is at least one corresponding task routine stored in at least one of the new private federated area and the existing federated area;

for each data set identifier of the at least one data set identifier, search the new private federated area and the existing federated area to determine whether there is at least one corresponding data set stored in at least one of the new private federated area and the existing federated area; and

in response to a determination that there is at least one corresponding task routine stored in at least one of the new private federated area and the existing federated area for each flow task identifier of the at least one flow task identifier, and in response to a determination that there is at least one corresponding data set stored in at least one of the new private federated area and the existing federated area for each data set identifier of the at least one data set identifier, permit storage of the job flow definition in the new private federated area.

8. The apparatus of claim 1, wherein the processor is caused to perform operations comprising:

receive, at the portal, and from the second remote device via a the network, a second request to perform a job flow specified in the second request with a job flow identifier; and

maintain the priority relationship between the new private federated area and the existing federated area by performing operations comprising;

use the job flow identifier to search for a job flow definition within the new private federated area and the existing federated area; and

in response to identification of a job flow definition stored in each of the new private federated area and the existing federated area that share the job flow identifier, retrieve the identified job flow definition stored in the new private federated area.

9. The apparatus of claim 8, wherein the processor is caused to perform operations comprising:

retrieve a flow task identifier that specifies a task to be performed from the retrieved job flow definition; and

maintain the priority relationship between the new private federated area and the existing federated area by performing operations comprising;

use the flow task identifier to search for task routines comprising instructions to perform the specified task when executed within the new private federated area and the existing federated area; and

in response to identification of at least one task routine stored in the new private federated area and at least one task routine stored in the existing federated area that share the flow task identifier, select a most recent version of a task routine from among the at least one task routine stored in the new private federated area to be executed to perform the specified task.

10. The apparatus of claim 9, wherein the processor is caused to, in response to a lack of identification of a task routine stored in the new private federated area that is associated with the flow task identifier, select a most recent version of a task routine from among the at least one task routine stored in the existing federated area to be executed to perform the specified task.

11. A computer-program product tangibly embodied in a non-transitory machine-readable storage medium, the computer-program product including instructions operable to cause a processor to perform operations comprising:

receive, at a portal, and from a first remote device via a network, a first request to provide access via the network to an existing federated area to a second remote device, wherein;

the portal is provided on the network to control access to federated areas by remote devices via the network;

the existing federated area is maintained within one or more storage devices to store multiple objects;

the multiple objects comprise multiple data sets, multiple job flow definitions, multiple task routines, multiple result reports and multiple instance logs; and

each task routine of the multiple task routines comprises executable instructions to perform a task specified to be performed by a flow task identifier in a job flow definition of the multiple job flow definitions with a data set of the multiple data sets to generate a result report of the multiple result reports;

examine a security credential associated with the first remote device to determine whether the first request is authorized; and

in response to a determination by the processor that the first request is authorized, the processor is caused to perform operations comprising;

allocate storage space within the one or more storage devices for a new private federated area, wherein the processor is caused to make a first object that is to be stored by the second remote device in the new private federated area accessible to the second remote device, and is caused to deny access to the first object to other remote devices, including the first remote device;

maintain an inheritance relationship between the new private federated area and the existing federated area, wherein the processor is caused to make a second object of the multiple objects stored in the existing federated area as accessible to the second remote device as the first object stored in the new private federated area; and

maintain a priority relationship between the new private federated area and the existing federated area as an exception to the inheritance relationship between the new private federated area and the existing federated area, wherein the processor is caused to;

determine whether the first object is a task routine comprising executable instructions;

determine whether the second object is a task routine comprising executable instructions;

determine whether the first object and the second object share a first flow task identifier that indicates that the first object and the second object perform a first task when the instructions of the first object are executed and when the instructions of the second object are executed;

in response to determinations by the processor that the first object is a task routine, the second object is a task routine, and the first object and the second object share the first flow task identifier, the processor is caused to execute the instructions of the first object to perform the first task or provide access to the first object to the second remote device to enable the second remote device to execute the instructions of the first object to perform the first task; and

in response to determinations by the processor that the second object is a task routine, and that either the first object is not a task routine or that the first object does not share the first flow task identifier with the second object, the processor is caused to execute the instructions of the second object to perform the first task or provide access to the second object to the second remote device to enable the second remote device to execute the instructions of the second object to perform the first task.

12. The computer-program product of claim 11, wherein:

the first object is a first data set;

the second object is a second data set; and

the processor is caused to maintain the inheritance relationship between the new private federated area and the existing federated area by making the first data set stored in the existing federated area as available to be used as an input to an execution of a task routine stored in the new private federated area as the second data set stored in the new private federated area.

13. The computer-program product of claim 11, wherein:

the existing federated area defines a root of a tree of federated areas;

the new private federated area at least partially defines a second branch of the tree;

another private federated area associated with the first remote device at least partially defines a first branch of the tree; and

the processor is caused to perform operations comprising;

allocate storage space within the one or more storage devices for the other private federated area;

make a third object stored by the first remote device in the other private federated area accessible to the first remote device; and

deny access to the third object to the second remote device.

14. The computer-program product of claim 13, wherein the processor is caused to perform operations comprising:

assign a base URL to the existing federated area to enable the first remote device and the second remote device to access the existing federated area at the base URL through the network via a web access protocol;

assign a first branch URL to the other private federated area to enable the first remote device to access the other private federated area at the first branch URL through the network via a web access protocol, wherein the first branch URL comprises the base URL; and

assign a second branch URL to the new private federated area to enable the second remote device to access the new private federated area at the second branch URL through the network via a web access protocol, wherein the second branch URL comprises the base URL.

15. The computer-program product of claim 11, wherein:

the new private federated area and the existing federated area are allocated within a branch of a tree of federated areas;

the existing federated area comprises an intervening federated area interposed between the new private federated area and a base federated area that defines a root of the tree; and

the processor is caused to perform operations comprising;

maintain an inheritance relationship between the intervening federated area and the base federated area, wherein the processor is caused to make a third object stored in the base federated area by the first remote device as accessible to the second remote device as the first object stored in the new private federated area; and

maintain a priority relationship between the intervening federated area and the base federated area as an exception to the inheritance relationship between the intervening federated area and the base federated area, wherein the processor is caused to;

determine whether the third object is a task routine comprising executable instructions;

determine whether the second object and the third object share a second flow task identifier that indicates that the second object and the third object perform a second task when the instructions of the second object are executed and when the instructions of the third object are executed; and

in response to determinations by the processor that the first object is not a task routine, the second object is a task routine, the third object is a task routine, and the second object and the third object share the second flow task identifier, the processor is caused to make the second object stored in the intervening federated area accessible to the second remote device, and to prevent access by the second remote device to the third object stored in the base federated area.

16. The computer-program product of claim 11, wherein the processor is caused to perform operations comprising:

receive, at the portal, and from the second remote device via the network, a second request to store a task routine among the multiple task routines in the existing federated area, wherein the task routine comprises;

a third flow task identifier to indicate a third task that is performed when instructions of the task routine are executed;

an input interface by which the task routine is to receive data of at least one data set; and

an output interface;

determine whether another task routine is already stored in at least one of the existing federated area and the new private federated area that comprises the third flow task identifier to indicate that the third corresponding task is performed when instructions of the other task routine is executed; and

in response to a determination that another task routine that comprises the third flow task identifier is stored in at least one of the existing federated area and the new private federated area, perform operations comprising;

compare the input interface to a corresponding input interface of the other task routine;

compare the output interface to a corresponding output interface of the other task routine; and

in response to a determination that the input interface matches the corresponding input interface, and in response to a determination that the output interface matches or is a superset of the corresponding output interface, store the task routine among the multiple task routines and store an indication of the storage of more than one task routine comprising the third flow task identifier in one of the existing federated area and the new private federated area.

17. The computer-program product of claim 11, wherein the processor is caused to perform operations comprising:

receive, at the portal, and from the second remote device via the network, a second request to store a job flow definition in the new private federated area, wherein the job flow definition comprises;

at least one flow task identifier that specifies a task to be performed when instructions of a corresponding task routine are executed; and

at least one data set identifier that specifies a data set to be used as an input to the performance of a task specified by the at least one flow task identifier;

for each flow task identifier of the at least one flow task identifier, search the new private federated area and the existing federated area to determine whether there is at least one corresponding task routine stored in at least one of the new private federated area and the existing federated area;

for each data set identifier of the at least one data set identifier, search the new private federated area and the existing federated area to determine whether there is at least one corresponding data set stored in at least one of the new private federated area and the existing federated area; and

in response to a determination that there is at least one corresponding task routine stored in at least one of the new private federated area and the existing federated area for each flow task identifier of the at least one flow task identifier, and in response to a determination that there is at least one corresponding data set stored in at least one of the new private federated area and the existing federated area for each data set identifier of the at least one data set identifier, permit storage of the job flow definition in the new private federated area.

18. The computer-program product of claim 11, wherein the processor is caused to perform operations comprising:

receive, at the portal, and from the second remote device via a the network, a second request to perform a job flow specified in the second request with a job flow identifier; and

maintain the priority relationship between the new private federated area and the existing federated area by performing operations comprising;

use the job flow identifier to search for a job flow definition within the new private federated area and the existing federated area; and

in response to identification of a job flow definition stored in each of the new private federated area and the existing federated area that share the job flow identifier, retrieve the identified job flow definition stored in the new private federated area.

19. The computer-program product of claim 18, wherein the processor is caused to perform operations comprising:

retrieve a flow task identifier that specifies a task to be performed from the retrieved job flow definition; and

maintain the priority relationship between the new private federated area and the existing federated area by performing operations comprising;

use the flow task identifier to search for task routines comprising instructions to perform the specified task when executed within the new private federated area and the existing federated area; and

in response to identification of at least one task routine stored in the new private federated area and at least one task routine stored in the existing federated area that share the flow task identifier, select a most recent version of a task routine from among the at least one task routine stored in the new private federated area to be executed to perform the specified task.

20. The computer-program product of claim 19, wherein the processor is caused to, in response to a lack of identification of a task routine stored in the new private federated area that is associated with the flow task identifier, select a most recent version of a task routine from among the at least one task routine stored in the existing federated area to be executed to perform the specified task.

21. A computer-implemented method comprising:

receiving, at a server by a processor, and via a portal on a network from a first remote device, a first request to provide access via the network to an existing federated area to a second remote device, wherein;

the portal is provided on the network to control access to federated area by remote devices via the network;

the existing federated area is maintained within one or more storage devices to store multiple objects;

the multiple objects comprise multiple data sets, multiple job flow definitions, multiple task routines, multiple result reports and multiple instance logs; and

each task routine of the multiple task routines comprises executable instructions to perform a task specified to be performed by a flow task identifier in a job flow definition of the multiple job flow definitions with a data set of the multiple data sets to generate a result report of the multiple result reports;

examining, by the processor, a security credential associated with the first remote device to determine whether the first request is authorized; and

in response to a determination by the processor that the first request is authorized, performing operations comprising;

allocating storage space within the one or more storage devices for a new private federated area, wherein a first object that is to be stored by the second remote device in the new private federated area is made accessible to the second remote device, and access to the first object is denied to other remote devices, including the first remote device;

maintaining an inheritance relationship between the new private federated area and the existing federated area, wherein a second object of the multiple objects stored in the existing federated area is made as accessible to the second remote device as the first object stored in the new private federated area; and

maintaining a priority relationship between the new private federated area and the existing federated area as an exception to the inheritance relationship between the new private federated area and the existing federated area by performing operations comprising;

determining, by the processor, whether the first object is a task routine comprising executable instructions;

determining, by the processor, whether the second object is a task routine comprising executable instructions;

determining, by the processor, whether the first object and the second object share a first flow task identifier that indicates that the first object and the second object perform a first task when the instructions of the first object are executed and when the instructions of the second object are executed;

in response to determinations that the first object is a task routine, the second object is a task routine, and the first object and the second object share the first flow task identifier, executing the instructions of the first object to perform the first task or providing access to the first object to the second remote device to enable the second remote device to execute the instructions of the first object to perform the first task;

or

in response to determinations by the processor that the second object is a task routine, and that either the first object is not a task routine or that the first object does not share the first flow task identifier with the second object, executing the instructions of the second object to perform the first task or providing access to the second object to the second remote device to enable the second remote device to execute the instructions of the second object to perform the first task.

22. The method of claim 21, wherein:

the first object is a first data set;

the second object is a second data set; and

the method comprises maintaining the inheritance relationship between the new private federated area and the existing federated area by making the first data set stored in the existing federated area as available to be used as an input to an execution of a task routine stored in the new private federated area as the second data set stored in the new private federated area.

23. The method of claim 21, wherein:

the existing federated area defines a root of a tree of federated areas;

the new private federated area at least partially defines a second branch of the tree;

another private federated area associated with the first remote device at least partially defines a first branch of the tree; and

the method comprises;

allocating storage space within the one or more storage devices for the other private federated area;

making a third object stored by the first remote device in the other private federated area accessible to the first remote device; and

denying access to the third object to the second remote device.

24. The method of claim 23, comprising:

assigning a base URL to the existing federated area to enable the first remote device and the second remote device to access the existing federated area at the base URL through the network via a web access protocol;

assigning a first branch URL to the other private federated area to enable the first remote device to access the other private federated area at the first branch URL through the network via a web access protocol, wherein the first branch URL comprises the base URL; and

assigning a second branch URL to the new private federated area to enable the second remote device to access the new private federated area at the second branch URL through the network via a web access protocol, wherein the second branch URL comprises the base URL.

25. The method of claim 21, wherein:

the new private federated area and the existing federated area are allocated within a branch of a tree of federated areas;

the existing federated area comprises an intervening federated area interposed between the new private federated area and a base federated area that defines a root of the tree; and

the method comprises;

maintaining an inheritance relationship between the intervening federated area and the base federated area by making a third object stored in the base federated area by the first remote device as accessible to the second remote device as the first object stored in the new private federated area; and

maintaining a priority relationship between the intervening federated area and the base federated area as an exception to the inheritance relationship between the intervening federated area and the base federated area by performing operations comprising;

determining, by the processor, whether the third object is a task routine comprising executable instructions;

determining, by the processor, whether the second object and the third object share a second flow task identifier that indicates that the second object and the third object perform a second task when the instructions of the second object are executed and when the instructions of the third object are executed; and

in response to determinations that the first object is not a task routine, the second object is a task routine, the third object is a task routine, and the second object and the third object share the second flow task identifier, making the second object stored in the intervening federated area accessible to the second remote device, and preventing access by the second remote device to the third object stored in the base federated area.

26. The method of claim 21, comprising:

receiving, at the server by the processor, and via the portal on the network from the second remote device, a second request to store a task routine among the multiple task routines in the existing federated area, wherein the task routine comprises;

a third flow task identifier to indicate a third task that is performed when instructions of the task routine are executed;

an input interface by which the task routine is to receive data of at least one data set; and

an output interface;

determining, by the processor, whether another task routine is already stored in at least one of the existing federated area and the new private federated area that comprises the third flow task identifier to indicate that the third corresponding task is performed when instructions of the other task routine is executed; and

in response to a determination that another task routine that comprises the third flow task identifier is stored in at least one of the existing federated area and the new private federated area, performing operations comprising;

comparing the input interface to a corresponding input interface of the other task routine;

comparing the output interface to a corresponding output interface of the other task routine; and

in response to a determination, by the processor, that the input interface matches the corresponding input interface, and in response to a determination, by the processor, that the output interface matches or is a superset of the corresponding output interface, storing the task routine among the multiple task routines and storing an indication of the storage of more than one task routine comprising the third flow task identifier in one of the existing federated area and the new private federated area.

27. The method of claim 21, comprising:

receiving, at the server by the processor, and via the portal on the network from the second remote device, a second request to store a job flow definition in the new private federated area, wherein the job flow definition comprises;

at least one flow task identifier that specifies a task to be performed when instructions of a corresponding task routine are executed; and

at least one data set identifier that specifies a data set to be used as an input to the performance of a task specified by the at least one flow task identifier;

for each flow task identifier of the at least one flow task identifier, searching the new private federated area and the existing federated area to determine, by the processor, whether there is at least one corresponding task routine stored in at least one of the new private federated area and the existing federated area;

for each data set identifier of the at least one data set identifier, searching the new private federated area and the existing federated area to determine, by the processor, whether there is at least one corresponding data set stored in at least one of the new private federated area and the existing federated area; and

in response to a determination that there is at least one corresponding task routine stored in at least one of the new private federated area and the existing federated area for each flow task identifier of the at least one flow task identifier, and in response to a determination that there is at least one corresponding data set stored in at least one of the new private federated area and the existing federated area for each data set identifier of the at least one data set identifier, permitting storage of the job flow definition in the new private federated area.

28. The method of claim 21, comprising:

receiving, at the server by the processor, and via the portal on the network from the second remote device, a second request to perform a job flow specified in the second request with a job flow identifier; and

maintaining the priority relationship between the new private federated area and the existing federated area by performing operations comprising;

using the job flow identifier to search for a job flow definition within the new private federated area and the existing federated area; and

in response to identification, by the processor, of a job flow definition stored in each of the new private federated area and the existing federated area that share the job flow identifier, retrieving the identified job flow definition stored in the new private federated area.

29. The method of claim 28, comprising:

retrieving a flow task identifier that specifies a task to be performed from the retrieved job flow definition; and

maintaining the priority relationship between the new private federated area and the existing federated area by performing operations comprising;

using the flow task identifier to search for task routines comprising instructions to perform the specified task when executed within the new private federated area and the existing federated area; and

in response to identification, by the processor, of at least one task routine stored in the new private federated area and at least one task routine stored in the existing federated area that share the flow task identifier, selecting a most recent version of a task routine from among the at least one task routine stored in the new private federated area to be executed to perform the specified task.

30. The method of claim 29, comprising, in response to a lack of identification, by the processor, of a task routine stored in the new private federated area that is associated with the flow task identifier, selecting a most recent version of a task routine from among the at least one task routine stored in the existing federated area to be executed to perform the specified task.