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Market for Computational Market for Computational ServicesServices
Resource Brokering, Scheduling and Accounting
John Ainsworth, e-Science North [email protected]
e-Science North West2
Project Aims
The majority of Grid deployments are closed– The usage of resources relies on charity or exchange
A model based on a common currency is required to increase availability and utilisation
The aim of the Markets for Computational Services (MCS) project is to develop software that provides the mechanisms from which computational markets can be built– Namely brokering, negotiating, contracting, accounting and payment.
Free market dynamics will then determine what happens…
e-Science North West3
Technologies
Originally based firmly on OGSI Transition from OGSI -> WSRF gave reason to rethink our
choice We are now using plain web services with J2EE container WS-Security with X.509 certificates is used for
authentication SSL used for secure transmission
e-Science North West4
ArchitectureProviderIntermediaryConsumer
Job Submission
Service
UnderlyingService
ServiceDirectory
Submit
User Agent
Resource Usage Service
Advertise
RequestQuote
RequestQuote
Resource Broker
Lookup
Retrieve Usage RecordsAccountViewer
Quote Service
CheckResources
RecordUsage
e-Science North West5
Demonstration Configuration
User Agent
RB-I
RB-R
Resource Broker I
SD-A
QS Altix
QS Origin
Quote ServiceAltix
Quote ServiceOrigin
QuoteService Re-seller
Re-seller
IndependentBroker
Job Submission
ServiceAltix
Job Submission
Service Origin
Resource Usage
Service Altix
Resource Usage
Service Altix
Altix
Origin
Altix
Origin
OriginService Provider
Altix Service Provider
RFQ
RFQ RFQ
RFQlookup
e-Science North West6
Demonstration Configuration
User Agent
RB-I
RB-R
Resource Broker I
SD-A
QS Altix
QS Origin
Quote ServiceAltix
Quote ServiceOrigin
QuoteService Re-seller
Re-seller
IndependentBroker
Job Submission
ServiceAltix
Job Submission
Service Origin
Resource Usage
Service Altix
Resource Usage
Service Altix
Altix
Origin
Altix
Origin
OriginService Provider
Altix Service Provider
Quote
QuoteQuote
Quote
e-Science North West7
Demonstration Configuration
User Agent
RB-I
RB-R
Resource Broker I
SD-A
QS Altix
QS Origin
Quote ServiceAltix
Quote ServiceOrigin
QuoteService Re-seller
Re-seller
IndependentBroker
Job Submission
ServiceAltix
Job Submission
Service Origin
Resource Usage
Service Altix
Resource Usage
Service Altix
Altix
Origin
Altix
Origin
OriginService Provider
Altix Service Provider
JSDL
BSUB
UR
e-Science North West8
Future Work
Resource Usage Server usability and functionality enhancements
Advanced reservation and demand-led pricing Work flow scheduling and negotiation Integration with LeSC banking service
e-Science North Weste-Science North Westwww.esnw.ac.ukwww.esnw.ac.uk
Research Support Services Group, Manchester Computing, University of Manchesterwww.sve.man.ac.uk
