Networks and network types may involve single or

Info iconThis preview shows page 1. Sign up to view the full content.

View Full Document Right Arrow Icon
This is the end of the preview. Sign up to access the rest of the document.

Unformatted text preview:   Irregular Topology •  Complete Topology (c) Dr. Rahul Banerjee, BITS, Pilani, India 20 •  •  •  Networks: –  A set of autonomous compute/communicaPon nodes interconnected for the purpose of meaningful resource sharing, require supporPng protocol stacks, not transparent to the users Clusters –  Homogeneous (pla[orm / OS), all involved nodes o]en belong to a single enPty and frequently designed for high- performance compuPng, may be limited to one or more racks within the same room (example: HPC clusters), easiest to deploy and manage Grids –  O]en heterogeneous (pla[orm / OS), Frequently spread over mulPple networks and network types, may involve single or mulPple organizaPons, require greater effort in deployment and administraPon Clouds –  May be public, private and hybrid, support mulPple levels of abstracPons / virtualizaPon, typically spread over wide areas, expected to be transparent to the user, offer the highest levels of redundancy / availability, January 21, 2013 •  (c) Dr. Rahul Banerjee, BITS Pilani , INDIA Of Clusters, Grids and Clouds – A brief introducPon January 21, 2013 •  VirtualizaPon is the underlying common technology involved in all the three paradigms •  Networking is the key enabler ingredient in each of these cases •  Cost- effecPveness, robustness and scalability improve as we move from cluster to cloud but overheads and internal complexity add up (c) Dr. Rahul Banerjee, BITS Pilani , INDIA A few points of significance –  Public Clouds (mulP- tenancy, wide variaPons, mulP- service, on- demand capacity addiPon a common feature) –  Private Clouds (single tenancy, limited variaPons, higher capital investments, greater control, more secure) –  Hybrid Clouds (near- opPmal best of both worlds, if configured well) •  Types of Clouds: ClassificaPon- 2 <basis: device virtualizaPon> –  Infrastructure Cloud, ComputaPonal Cloud etc. •  Types of...
View Full Document

Ask a homework question - tutors are online