etsi grid starter group bt perspective on grid and standardisation mike fisher bt group 24 may 2006
TRANSCRIPT
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ETSI Grid Starter GroupBT Perspective on Grid and Standardisation
Mike Fisher
BT Group
24 May 2006
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The digital networked economy
Where transactions are instant and secure, data is stored safely and collaboration is easy
• Connectivity and convergence are driving economies on a global basis
• Bringing information and applications to the point of use
• Communication and collaboration is key
• The real benefits derive from IT that is connected
• We call this networked IT
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Changing landscape
• Need to respond to dynamic business conditions– Accelerate concept to market– Adapt to intermittent availability
• Heterogeneity– Fixed/mobile, core/metro/access, multicarrier, terminal device,
operating systems, SAN, NAS, file systems, …
• Commoditisation– of servers, storage, network– infrastructure becoming ubiquitous and invisible
• Virtualisation, abstraction, automation• Markets shifting from products to services
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Grid Computing - the BT view
• Grid is NOT about– providing supercomputer performance for large parallel
applications– simple provision of network bandwidth or dark fibre
• Grid is about– creation of a virtualised infrastructure across all ICT resources– enabling customers to collaborate internally and externally– managing ICT complexity– extending existing VPN business in a natural next step
Leased Lines VPNIP Grid
Single UseGrid
Multi-purpose
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Status of current Grid deployments
• Academic, non-commercial Grids– Single purpose, bespoke deployments– Closed user groups– Motivated by cooperation– Relies on highly skilled people to deploy and operate
• Commercial Grids– Sector-specific applications– Intra-enterprise– Motivated by efficiency
• Both types are limited– just first steps, despite the hype!
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Next Generation Grids
• Multiple applications and resources– Diverse and general purpose infrastructure– Consistent architecture
• Multiple independent users and providers– Users compose applications from wide range of services– Providers support different customers simultaneously
• Commercial focus– Sustainable business models– Well-defined SLAs, including rewards and penalties– Security and reliability much more prominent
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NextGRID
• European collaborative project– defining the architecture for the Next Generation Grid
• Primary architectural principles– Minimal Grid Infrastructure
• ubiquitous basis for interoperability
– Service Composition• small number of patterns
– Dynamics driven by Service Level Agreements
• Strong standards focus
http://www.nextgrid.org
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Relevance to Telecommunications
• Intra-Grids are limited by the LAN– Limits market potential
• Grid interconnection highlights the role of the network– regional, national, global– early adopters using private circuits - not scalable
• Three main areas – Evolution of networks and services to support new
requirements– Use of Grid technologies in internal operations (e.g. OSS)– Managed Grid services as a customer offeringTelco Community Group, GGF14 (Chicago)
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Enterprise Grids today
• Inside datacentre, and behind firewall
• Virtual use of own IT assets– opens up under-used ICT assets– improves TCO, ROI and
Application performance
BUT• This intra-enterprise GRID model is
limited– Pool of virtualised assets is
restricted by firewall– Does not support Inter-
Enterprise usage
• BT is focussing on a managed Grid solution…..
WANS LANS
ENTERPRISE
Pre-GRIDIT asset usage 10-15 %
WANSLANS
ENTERPRISE
Post-GRIDIT asset usage 70-75 %
GRID EngineVirtualised
assets
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Virtual Private Grid
• End-to-end applications
• Network-centric service
• Multi-site enterprises• Inter-enterprise
collaboration
• Managed
GRID Engine
WANSLANS
ENTERPRISE
Virtualised assets
WANSLANS
ENTERPRISE
GRID Engine
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Missing pieces
• Interoperability essential for an open services market– important role for standards (reliable, stable, …)
• Many competing and incompatible standards activities, proprietary solutions
• Very few stable standards – just WS-I Basic– plus basic Security
• Most systems (science or enterprise) need more…– Naming, Addressing, Service description, Security,
Transactions, Persistent resources, Versioning and Lifecycle, Reliable Messaging/Notification, Orchestration, Workflow, …
• Convergence of standards is encouraging but…– …effective standardisation will take time
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Conclusion
• Grid has great potential in the Digital Networked Economy– natural extension of NGN
• Interoperability essential– network effects increase the value
• Basic functionality exists or developing rapidly– sufficient level of sophistication will soon be available
• Need to build broad consensus– move the focus of competition– eliminate unnecessary barriers
• Start to address real research challenges– NESSI Strategic Research Agenda– NGG3 (Service Oriented Knowledge Utility)