Execution

1
LEAD with FT and vgES
Provenance Framework
Portal
Performance Model
NWS BQP MDS
User constraints
Policies
FT
HSS
plan/ re-plan
Monitoring
Workflow Planner
Global Multi-Workflow, etc
Per Task Recheck
vgES
monitor
workflow plan
Workflow Scheduler
find and bind
Rice
FT strategy?
Adaptation Change?
BPEL workflow Engine
App Service Manager
status
Execution Manager
LEAD Application Web Services
submit jobs
Resource Management Layer
Application Layer
Event Broker
2
Multiple Submissions
cluster ClusterOf(node) 16 node
Processor Xeon
2. determine redundancy
FTR
BQP, NWS, MDS
broadcasting
1. find(vgdl, max) 3. bind(vgnode, redundancy3)
9. success
Ryans scheduler
6. run
Multiple submission
8. status
4. vg
6. run
5. submit jobs on vgnod
8. status
Execution manager
6. run
8. status
7. status(vgnode)
10. cancel
3
Restart
vgdl LooseBagOf (cluster) redundancy3
cluster ClusterOf(node) 16 node
Processor Xeon
FTR
2. determine redundancy
BQP, NWS, MDS
1. find(vgdl,max) 3. bind(vgnode, redundancy1)
9. fail
Ryans scheduler
6. run
A
A
8. status
4. vg
11. copy
5. submit jobs on A
B
B
Execution manager
7. status(vgnode)
C
C
10. copy (A,B)
12. submit jobs on B
VGES