System and method for allocating resources of a core space among a plurality of core virtual machines
A technique for executing a segmented virtual machine (VM) is disclosed. A plurality of core VM's is implemented in a plurality of core spaces. Each core VM is associated with one of a plurality of shell VM's. Resources of the core spaces are allocated among the core VM's.
1. A segmented virtual machine (VM) system stored in a computer system comprising:
a plurality of core VM's implemented in a plurality of core spaces; and
a plurality of shell VM's each associated with a core VM, each shell VM configured to perform VM external execution functionality and communicate with a core VM, and each core VM configured to perform VM internal execution functionality;
wherein:
resources of the plurality of core spaces are allocated among the plurality of core VM's, wherein allocating is performed by at least one processor;
resources are allocated to a core VM based on a policy that automatically adapts based on current resource availability and current resource requirements; and
the policy can be changed without reconfiguring any application using the plurality of core spaces.
2. A segmented VM system as recited in claim 1 wherein resources are reserved for use by a core VM based on resource requirements of the core VM.
3. A segmented VM system as recited in claim 1 wherein resources are allocated to a core VM based on redundancy requirements of the core VM.
4. A segmented VM system as recited in claim 1 wherein resources allocated to a core VM are restricted by resource limits of the core VM.
5. A segmented VM system as recited in claim 1 wherein resources allocated to a core VM are distributed based on a priority associated with the core VM.
6. A segmented VM system as recited in claim 1 wherein resources are allocated to a core VM based on a predetermined assignment.
7. A segmented VM system as recited in claim 1 wherein resources are allocated to a core VM based on a policy.
8. A segmented VM system as recited in claim 1 wherein resources are allocated to a core VM by specifying a core device.
9. A segmented VM system as recited in claim 1 wherein at least one of the plurality of core spaces resides on a core device.
10. A segmented VM system as recited in claim 1 wherein at least one of the core spaces resides on more than one core device.
11. A segmented VM system as recited in claim 1 wherein each core space resides on at least one core device and wherein a new core device can be added to each core space by describing the new core device.
12. A segmented VM system as recited in claim 1 wherein each core space resides on at least one core device and wherein a new core device can be added to each core space without reconfiguring any application using the core space.
13. A segmented VM system as recited in claim 1 wherein each core space resides on at least one core device and wherein a new core device can be removed from each core space without reconfiguring any application using the core space.
14. A segmented VM system as recited in claim 1 wherein each core space resides on at least one core device and in the event that the core device fails, a new core device is selected based on a policy to replace the failed core device.
15. A segmented VM system as recited in claim 1 wherein a new application can begin using a core space without reconfiguring any other application using a core space.
16. A segmented VM system as recited in claim 1 wherein resources are allocated to a core VM based on a policy, wherein the policy changes assignments and reservations based on current resource availability and current resource requirements.
17. A segmented VM system as recited in claim 1 wherein the resources include memory.
18. A segmented VM system as recited in claim 1 wherein the resources include processing power.
19. A segmented VM system as recited in claim 1 wherein the resources include I/O.
20. A method of executing a segmented virtual machine (VM) system comprising:
implementing a plurality of core VM's in a plurality of core spaces, wherein each core VM is associated with one of a plurality of shell VM's, each shell VM configured to perform VM external execution functionality and communicate with a core VM, and each core VM configured to perform VM internal execution functionality; and
allocating resources of the plurality of core spaces among the plurality of core VM's, wherein allocating is performed by at least one processor;
wherein:
resources are allocated to a core VM based on a policy that automatically adapts based on current resource availability and current resource requirements; and
the policy can be changed without reconfiguring any application using the plurality of core spaces.
21. A method as recited in claim 20 wherein resources are reserved for use by a core VM based on resource requirements of the core VM.
22. A method as recited in claim 20 wherein resources are allocated to a core VM based on redundancy requirements of the core VM.
23. A method as recited in claim 20 wherein resources allocated to a core VM are restricted by resource limits of the core VM.
24. A method as recited in claim 20 wherein resources allocated to a core VM are distributed based on a priority associated with the core VM.
25. A method as recited in claim 20 wherein resources are allocated to a core VM based on a predetermined assignment.
26. A method as recited in claim 20 wherein resources are allocated to a core VM based on a policy.
27. A method as recited in claim 20 wherein resources are allocated to a core VM by specifying a core device.
28. A method as recited in claim 20 wherein at least one of the plurality of core spaces resides on a core device.
29. A method as recited in claim 20 wherein at least one of the core spaces resides on more than one core device.
30. A method as recited in claim 20 wherein each core space resides on at least one core device and wherein a new core device can be added to each core space by describing the new core device.
31. A method as recited in claim 20 wherein each core space resides on at least one core device and wherein a new core device can be added to each core space without reconfiguring any application using the core space.
32. A method as recited in claim 20 wherein each core space resides on at least one core device and wherein a new core device can be removed from each core space without reconfiguring any application using the core space.
33. A method as recited in claim 20 wherein each core space resides on at least one core device and in an event that the core device fails, a new core device is selected based on a policy to replace the failed core device.
34. A method as recited in claim 20 wherein a new application can begin using a core space without reconfiguring any other application using a core space.
35. A method as recited in claim 20 wherein resources are allocated to a core VM based on a policy, wherein the policy changes assignments and reservations based on current resource availability and current resource requirements.
36. A method as recited in claim 20 wherein the resources include memory.
37. A method as recited in claim 20 wherein the resources include processing power.
38. A method as recited in claim 20 wherein the resources include I/O.
39. A computer program product for executing a segmented virtual machine (VM) system, the computer program product being embodied in a computer readable medium and comprising computer instructions when executed by a processor for:
implementing a plurality of core VM's in a plurality of core spaces, wherein each core VM is associated with one of a plurality of shell VM's, each shell VM configured to perform VM external execution functionality and communicate with a core VM, and each core VM configured to perform VM internal execution functionality; and
allocating resources of the plurality of core spaces among the plurality of core VM's, wherein allocating is performed by at least one processor;
wherein:
resources are allocated to a core VM based on a policy that automatically adapts based on current resource availability and current resource requirements; and
the policy can be changed without reconfiguring any application using the plurality of core spaces.
40. A computer program product as recited in claim 39 wherein resources are reserved for use by a core VM based on resource requirements of the core VM.
41. A computer program product as recited in claim 39 wherein resources are allocated to a core VM based on redundancy requirements of the core VM.
42. A computer program product as recited in claim 39 wherein resources allocated to a core VM are restricted by resource limits of the core VM.
43. A computer program product as recited in claim 39 wherein resources allocated to a core VM are distributed based on a priority associated with the core VM.
44. A computer program product as recited in claim 39 wherein resources are allocated to a core VM based on a predetermined assignment.
45. A computer program product as recited in claim 39 wherein resources are allocated to a core VM based on a policy.
46. A computer program product as recited in claim 39 wherein resources are allocated to a core VM by specifying a core device.
47. A computer program product as recited in claim 39 wherein at least one of the plurality of core spaces resides on a core device.
48. A computer program product as recited in claim 39 wherein at least one of the core spaces resides on more than one core device.
49. A computer program product as recited in claim 39 wherein each core space resides on at least one core device and wherein a new core device can be added to each core space by describing the new core device.
50. A computer program product as recited in claim 39 wherein each core space resides on at least one core device and wherein a new core device can be added to each core space without reconfiguring any application using the core space.
51. A computer program product as recited in claim 39 wherein each core space resides on at least one core device and wherein a new core device can be removed from each core space without reconfiguring any application using the core space.
52. A computer program product as recited in claim 39 wherein each core space resides on at least one core device and in an event that the core device fails, a new core device is selected based on a policy to replace the failed core device.
53. A computer program product as recited in claim 39 wherein a new application can begin using a core space without reconfiguring any other application using a core space.
54. A computer program product as recited in claim 39 wherein resources are allocated to a core VM based on a policy, wherein the policy changes assignments and reservations based on current resource availability and current resource requirements.
55. A computer program product as recited in claim 39 wherein the resources include memory.
56. A computer program product as recited in claim 39 wherein the resources include processing power.
57. A computer program product as recited in claim 39 wherein the resources include I/O.
58. A segmented virtual machine (VM) system stored in a computer system comprising:
a plurality of core VM's implemented in a plurality of core spaces; and
a plurality of shell VM's each associated with a core VM, each shell VM configured to perform VM external execution functionality and communicate with a core VM, and each core VM configured to perform VM internal execution functionality;
wherein:
resources of the plurality of core spaces are allocated among the plurality of core VM's, wherein allocating is performed by at least one processor;
resources are allocated to a core VM based on redundancy requirements of the core VM; and
at least one of the plurality of core spaces resides on more than one core device.
59. A segmented VM system as recited in claim 58 wherein resources are reserved for use by a core VM based on resource requirements of the core VM.
60. A segmented VM system as recited in claim 58 wherein each core space resides on at least one core device and wherein a new core device can be removed from each core space without reconfiguring any application using the core space.
61. A segmented VM system as recited in claim 58 wherein each core space resides on at least one core device and wherein a new core device can be removed from each core space without reconfiguring any application using the core space.
62. A segmented virtual machine (VM) system stored in a computer system comprising:
a plurality of core VM's implemented in a plurality of core spaces; and
a plurality of shell VM's each associated with a core VM, each shell VM configured to perform VM external execution functionality and communicate with a core VM, and each core VM configured to perform VM internal execution functionality;
wherein:
resources of the plurality of core spaces are allocated among the plurality of core VM's, wherein allocating is performed by at least one processor;
each core space resides on at least one core device and in an event that the core device fails, a new core device is selected based on a policy to replace the failed core device; and
a new application can begin using a core space without reconfiguring any other application using a core space.
63. A segmented VM system as recited in claim 62 wherein resources are reserved for use by a core VM based on resource requirements of the core VM.
64. A segmented VM system as recited in claim 62 wherein resources are allocated to a core VM based on redundancy requirements of the core VM.
65. A segmented VM system as recited in claim 62 wherein a new core device can be added to each core space without reconfiguring any application using the core space.
66. A segmented VM system as recited in claim 62 wherein a new core device can be removed from each core space without reconfiguring any application using the core space.