4 - Layered Grid Architecture Overview

Question 1

The 5 Grid Layers

Answer 1

Application
Collective
Resource
Connectivity
Fabric

Question 2

Execute grid applications

Answer 2

Application, grid service compositions (workflows)

Question 3

Coordinating multiple resources

Answer 3

Collective, ubiquitous infrastructure service, app-specific distributed services

Question 4

Sharing single resources

Answer 4

Resource, negotiating access, controlling use

Question 5

Talking to things

Answer 5

Connectivity, communication (Internet protocols) & security

Question 6

Controlling things locally

Answer 6

Fabric, access to and control of resources

Question 7

Fabric Layer

Answer 7

Provide access to resources - computational, storage, network

Question 8

Connectivity Layer

Answer 8

Manage communication: defines core communication and authentication protocols. Communication and securtiy reqs

Question 9

Resource Layer

Answer 9

Sharing of a single resource (sharing is caring). Information and management protocols for secure negotiation, initiation, monitoring, control, accounting (payment)

Question 10

Collective Layer

Answer 10

Coordinating multiples resources, not associated with any one specific resource. E.g. Directory services, Co-allocation, scheduling and brokering service, Monitoring and diagnostics, Data replication

Question 11

Application Layer

Answer 11

User defined grid applications. Users applications constructed by utilizing the services defined at each lower level