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The Eucalyptus Open Source Cloud Computing System Daniel Nurmi et al, UCSB. Presented by: Sanketh Beerabbi University of Central Florida. COP6087 - Cloud Computing. Introduction.

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The Eucalyptus Open Source Cloud Computing System Daniel Nurmi et al, UCSB

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The eucalyptus open source cloud computing system daniel nurmi et al ucsb

The Eucalyptus Open Source Cloud Computing SystemDaniel Nurmi et al, UCSB

Presented by:

SankethBeerabbi

University of Central Florida

COP6087 - Cloud Computing


Introduction

Introduction

  • A cloud is a collection of networked resources configured such that users can request scalable resources (VMs, platforms, software services) deployed across a variety of physical resources.

  • Most cloud computing systems are proprietary and rely upon infrastructure that is invisible to the end users.


Cloud vs grid

Cloud Vs Grid

  • Cloud

  • Users get small fraction of resources.

  • No support for federation.

  • Resources are hidden.

  • Grid

  • Users get higher resources.

  • Federation is supported.

  • Resources are visible.


Open source clouds

Open Source Clouds

  • Commercial cloud service providers charge CPU time and bandwidth.

  • For large organizations, it’s more cost effective to purchase the hardware and create own cloud.

  • Researchers and academia need open standards.

  • More secure and flexible.

  • No vendor lock in.


Iaas platforms

IaaS Platforms

  • Commercial:

  • Open Source:


Eucalyptus

Eucalyptus

  • Open source architecture for implementing cloud functionality at the IaaS level.

  • Can be installed and deployed without modification to the existing infrastructure (From laptops to data centers)

  • Linux based, highly modular and compatible with Amazon AWS (uses AWS APIs).


Architectural overview

Architectural Overview

1 - Instances

2 - Networking

3 - Compute nodes

4 - Storage

5 - User interface

6 - Overall cloud platform


Hierarchical design

Hierarchical Design


Cloud controller clc

Cloud Controller (CLC)

  • External interface to the cloud for users and administrators.

  • Performs high level resource scheduling and arbitration.

  • Lets users manipulate properties of instances and virtual networks.

  • Monitors system resources and components.

  • Provides user interface, handles authentication and protocol translation.


Clc services

CLC Services


Cluster controller cc

Cluster Controller (CC)

  • Acts as the front end for a cluster of machines within the cloud.

  • Receives requests from CLC to deploy instances.

  • Manages instance execution on specific NCs.

  • Controls virtual network available to instances.

  • Collects data about resources from a set of NCs.


Node controller nc

Node Controller (NC)

  • Present on every node that is designated for hosting VM instances.

  • Controls execution, inspection, and termination of VM instances.

  • Fetches, installs and cleans up local copies of instance images (kernel, the root file system, and the ramdisk image)

  • Reports physical resource availability and utilization to CCs.


Storage controller walrus

Storage Controller(Walrus)

  • A put/get storage service (similar to AWS S3)

  • Stores user data of any type.

  • Stores machine images and volume snapshots

  • Is available to any instance in any cluster.

  • Implements the REST and SOAP interfaces, which are compatible with S3


Walrus storage

Walrus Storage


Virtual networking

Virtual Networking

  • Every VM must have network connectivity with every other and partially to public Internet.

  • Public interface handles communication outside a given set of instances.

  • Private interface used only for inter-instance communication across availability zones.

  • Provides Isolation - Users have super user access to VM’s network interface and may cause interference with other VMs if unchecked.


Virtual networking1

Virtual Networking

3 different modes:

  • Manually define static MAC and IP for each VM.

  • Directly attach VM interface to software Ethernet bridge and assign IPs via DHCP.

  • Fully managed by Eucalyptus:

  • VMs attach to user defined networks using VLAN tags and IP subnets.

  • CC acts as router between VM subnets.

  • Cross cluster VM communication via tunneling.


Virtual networking2

Virtual Networking


Instantiating process

Instantiating process

1-Request a VM.

2-VM image pushed to CN

3- Disk image packaged for Hypervisor

4- The CN provides a virtual NIC with virtual MAC

5-DHCP on head node provides IP

6/7- VM starts/User can login via SSH


Overall architecture

Overall Architecture


Perormance

Perormance


Advantages

Advantages

  • Open source and modular- allows components to be modified or replaced.

  • Compatibility with AWS API allows Amazon EC2 users to transition easily. Existing AWS tools, images and scripts can be used with Eucalyptus.

  • Hybrid cloud capability:

    Users can move instances between Eucalyptus private cloud and Amazon public cloud to create a hybrid cloud.


Comparision

Comparision


Comparison

Comparison


Comparision1

Comparision


References

References

  • The Eucalyptus Open-source cloud computing system, Daniel Nurmi et al.

  • A Survey on Open-source Cloud Computing Solutions, P. T. Endo et al.

  • A Comparison and Critique of Eucalyptus, OpenNebula and Nimbus, P Sempolinski, 2010

  • Source code available at: www.eucalyptus.com/download/eucalyptus/source


Questions

Questions?


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