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iCanCloud simulation platform Authors: Alberto Núñez and Gabriel G. Castañé

June 12th − 15th , 2012

Outline

1

Introduction

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iCanCloud Architecture

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Different Differe nt ways ways to use use iCanCloud iCanCloud

Outline 1

Introduction What is it? iCanCloud goals iCanCloud main parts

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iCanCloud Architecture Main Scheme Infraestructure User Model Cloud Manager

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Different ways Different ways to use use iCanCloud iCanCloud The GUI Scheduling studies Developing Dev eloping models Defining an application

Introduction


Different ways to use iCanCloud

What is it?

iCanCloud simulation platform What is it?

iCanCloud is a simulation platform that provides to the users a complete set of models to realize their own experiments about cloud computing environments.

Conclusions

Introduction



What is it?

iCanCloud simulation platform Structure

iCanCloud is built over INET and OMNET++ Programmed in C++

Conclusions

Introduction



iCanCloud goals

How iCanCloud is It is ..

Flexible to ease users to launch different kind of experiments Scalable to let system grown without loose the low level detail Easy to use with it’s GUI and API Portable to let users use their own platform (Unix/Windows)

Conclusions

Introduction


iCanCloud main parts

Main parts of iCanCloud Conceptual system model


Conclusions

Outline 1


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3

Different ways to use iCanCloud The GUI Scheduling studies Developing models Defining an application

Introduction


Main Scheme

Arquitecture Main Scheme iCanCloud Architecture


Conclusions

Introduction


Infraestructure

iCanCloud Infraestructure iCanCloud Architecture


Conclusions

Introduction


User Model

iCanCloud User Model iCanCloud Architecture


Conclusions

Introduction


Cloud Manager

iCanCloud Manager iCanCloud Architecture


Conclusions

Introduction


Cloud Manager

iCanCloud Manager Example


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Outline 1


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3

Different ways to use iCanCloud The GUI Scheduling studies Developing models Defining an application

Introduction




The GUI  

GUI to define simulation parameters MPI, Map-Reduce provided models

Using APIs to study scheduling policies  

API to program Cloud Manager scheduling policies API to customize Hypervisor hardware access

Developing modules  

Open Source to program or modify modules Hight detailed models for filesystems, diskdrives, volume anagers, block cache ..

Conclusions

Introduction The GUI

The GUI Main Screen



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Introduction


The GUI

The GUI Configuring an application


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Introduction The GUI

The GUI Configuring users



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Introduction


The GUI

The GUI Configuring a VM set


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Introduction


The GUI

The GUI Configuring a Cloud


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Introduction


The GUI

The GUI Running Simulations


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Introduction



Conclusions

Scheduling studies

Interface provided by the Cloud-Manager class Cloud Manager API 1 class CloudManager:public iCanCloud_Base{ 2 protected: 3 list waitingQueue; 4 list finishQueue; 5 list userList; 6 list NodesMap; 7 list VMsMap; 8 ... 9 10 private: 11 list get_job_list (); 12 CloudJob* get_job (jobID); 13 VMInstance startup_vm (vmID); 14 VMInstance stop_vm (vmID); 15 void insert_waiting_q (userID, jobID, vmID); 16 void run_job (vmID, jobID); 17 void move_qSrc_to_qDst (jobID, qSrc, qDst); 18 ... 19 20 public: 21 void job_has_finished (jobID, results); 22 jobID select_job (); 23 vmID select_node (); 24 vmID select_vm (); 25 void job_has_been_inserted (); 26 void job_has_finished (jobID); 27 28 };

Cloud Manager Structures Modular Auto-managed

Private methods Cloud management Move between queues

User reprogrammable methods Cloud Manager Scheduler Jobs notifications

Introduction



Conclusions

Scheduling studies

iCanCloud API Hypervisor 1 class Hypervisor:public iCanCloud_Base{ 2 protected: 3 list requestsCPU; 4 list requestsMemory; 5 list requestsNet; 6 list requestsBlockServer; 7 ... 8 9 private: 10 int searchUnassignedCPU (vmID); 11 int searchFreeBSGate (vmID); 12 int searchFreeBSGate (vmID); 13 int searchNetworkInterface (vmID); 14 void processCPURequestMessage (cMessage*); 15 void processBSRequestMessage (cMessage*); 16 void processMemoryRequestMessage (cMessage*); 17 void processNetRequestMessage (cMessage*); 18 void processCPUResponseMessage (cMessage*); 19 void processBSResponseMessage (cMessage*); 20 void processMemoryResponseMessage (cMessage*); 21 void processNetResponseMessage (cMessage*); 22 ... 23 public: 24 void scheduleCPU (jobID, vmID); 25 void scheduleMemory (jobID, vmID); 26 void scheduleBS (jobID, vmID); 27 void scheduleNet (jobID, vmID); 28 };

Hypervisor Structures Divided into 4 Managers Auto-managed

Private methods Hypervisor management Process structures

Scheduling methods to access HW Hypervisor Scheduler Select Job from a VM

Introduction


Developing models

iCanCloud from omnet++ omnet++


Conclusions

Introduction


Developing models



Conclusions

Introduction


Developing models



Conclusions

Introduction


Developing models



Conclusions

Introduction


Developing models



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Introduction



Defining an application

Defining an application Example

./omnetpp-4.X/iCanCloud/src/Applications/Apps 1 package iCanCloud.Applications.Apps.BasicApplication; 2 import iCanCloud.Applications.Apps.IApp; 3 4 simple BasicApplication like IApp; 5 6 parameters: 7 string application_netType // Network type (INET or BASIC) 8 double startDelay // Starting delay time 9 // Input size of data int inputSize 10 int outputSize // Output size of data 11 int MIs // Number of MIs to execute 12 // Number of iterations; int iterations 13 @display( i=msg/job") ; 14 15 gates: 16 input fromOS //Input gate from OS (Operating System) 17 output toOS //Output gate to OS (Operating System) 18 }; ”

Conclusions

Introduction



Conclusions

Conclusions to use iCanCloud iCanCloud provides: 

Hight detailed models for filesystems, disk drives, volume managers, block cache ..

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MPI, Map-Reduce provided models

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GUI to ease the launch of simulations

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APIs to program schedulers (Hypervisor and Cloud Manager)

Main strengths: 

Open Source to program or modify modules

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Flexible

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Scalable

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Customizable level detail

Introduction



Thanks for your attention!

Software available: www.icancloudsim.org

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