Building Safe PaaS Clouds: a Survey on Security in ...Building Safe PaaS Clouds: a Survey on Security in Multitenant Software Platforms ... (such as Enterprise Jaav Beans) that can

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Submitted on 6 Jan 2012

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Building Safe PaaS Clouds a Survey on Security inMultitenant Software Platforms

Luis Rodero-Merino Luis Vaquero Eddy Caron Freacutedeacuteric Desprez AdrianMuresan

To cite this versionLuis Rodero-Merino Luis Vaquero Eddy Caron Freacutedeacuteric Desprez Adrian Muresan Building SafePaaS Clouds a Survey on Security in Multitenant Software Platforms [Research Report] RR-7838INRIA 2011 pp31 hal-00657306

RESEARCH

REPORT

Ndeg 7838November 2011

Project-Teams GRAAL

Building Safe PaaS

Clouds a Survey on

Security in Multitenant

Software Platforms

Luis Rodero-Merino Luis M Vaquero Eddy Caron Freacutedeacuteric

Desprez Adrian Muresan

UMR CNRS - ENS de Lyon - INRIA - UCB Lyon 5668

46 alleacutee drsquoItalie F-69364 Lyon France

Universidad Politeacutecnica de Madrid Facultad de Informaacutetica

B2 L3201 28660 Boadilla del Monte Spain

Hewlett-Packard Labs Stoke Gufford BS34 8QZ Bristol UK

RESEARCH CENTRE

GRENOBLE ndash RHOcircNE-ALPES

Inovalleacutee

655 avenue de lrsquoEurope Montbonnot

38334 Saint Ismier Cedex

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heartsr

P srt② sr②

❬❪ stheartsclubsrt rdiamsspadesr❸ spades diamsspadesr ② ②diams t diams diams spades② diams ①clubsdiamsrhearts heartsdiamsrspadestdiamshearts hearts trclubsrt②diamsspadesclubst diamss hearts Prdiamsheartss diams t t diamsheartsrhearts diamshearts diamsspadesclubstrhearts diamsspadesspadesheartstdiamsheartss rt② clubsclubs

❬❪ ②s ❲ ② rspadesheartstdiamshearts hearts heartss s②stspadess rheartsstdiamsheartss diamshearts heartsdiamsrspadestdiamshearts hearts ②stspades rt② clubsclubs

❬❪ heartsr rr② heartsdiamsr srt② clubsdiamss rheartsstdiamsheartss diamshearts heartsdiamsrspadestdiamshearts hearts ②stspades rt② clubsclubs

❬❪ hearts ❨ diamsstrdiamsspades hearts ❨ tdiamsr ③hearts spadestsclubs hearts clubs diamsr clubsclubstdiamshearts sdiamstdiamshearts hearts Prdiamsheartss diams t st P s②spadesclubsdiamssspades diamshearts tdiamsrheartst clubsrdiamsrspadesspadeshearts s②stspadess heartss hearts clubsclubstdiamsheartss P clubsclubs

❬❪ diamss hearts spadesr rt② hearts clubsr② heartss hearts diams diamsspadesclubsthearts heartsrdiamsheartsspadesheartsts rt② hearts Pr② clubsclubs

❬❪ ❱qrdiams diamsrdiamsrheartsdiams rs heartsheartsr rhearts t diamss diamsrs diams heartstdiamshearts diamsspadesclubstr diamsspadesspadesheartstdiamshearts clubsclubs

❬❪ ❱diams ❳ ②② heartsr② hearts diamstr Ptdiamsrspades diamsr s diams diamsspadesclubsthearts ❱diams diams heartss hearts Prdiamsspadesclubsthearts Prss clubsclubs

❬❪ ❱ diams diamsspadesclubsthearts hearts t diamsspadesspadesdiamshearts spadeshearts diamsspadesclubstr

❬❪ ❱ diams heartsr P rr② clubsclubs②hearts sclubstdiamsrheartstclubsrdiamsrspadesspadeshearts tdiams srt② ttr clubsclubs

❬❪ ❲ssspadeshearts diamsrdiamss hearts shearts diams t diamsrdiamsspadesspadesttheartsheartst heartstrheartst clubsclubstdiamshearts diamsclubsspadesheartst clubstdiamsrspades hearts Prdiamsheartss diamst t heartstrheartstdiamshearts diamsheartsrhearts diamshearts heartsspadesheartst diams t clubsclubs

❬❪ ❨ hearts ❨ ❨ ❳ ③heartsdiamssdiams diamsdiamsclubsr hearts clubsclubs②hearts sclubstdiamsrheartsttdiamshearts hearts sheartshearts srt② s②stspadess s st② heartsPrdiamsheartss diams t t heartstrheartstdiamshearts diamsheartsrhearts diams diamstr heartsheartsrheartshearts heartsdiams heartsheartsrhearts clubsclubs

❬❪ Uacuter rheartsssdiamshearts heartsr clubstspadesr heartsdiamsrspadesheartst diamssrt② clubsdiamss rtrdiamssclubst hearts Prdiamsheartss diams t ❲diamsrsdiamsclubs diamshearts rt② Prspadess P❲ clubsclubs

❬❪ diamshearts sdiamshearts diamsr hearts heartss Ptdiamsrspadesrt② rttr P shearts hearts spadesclubsspadesheartsttdiamshearts Prheartst

❬❪ spadesr P clubstspadesr rt② diamsr rts s hearts ❲rs Prheartst

hearts

❬❪ Pstdiams rtheartsspades diams hearts rr② heartstrclubsrs rt② hearts r clubsclubstdiamsheartss sdiamshearts❲s②

heartsr

RESEARCH CENTRE

Inovalleacutee

Publisher

Domaine de Voluceau - Rocquencourt

BP 105 - 78153 Le Chesnay Cedex

inriafr

ISSN 0249-6399

Introduction

Safe Multitenancy through Process Isolation at Operating System Level

Security and Multitenancy in the Java Platform

Standard Security Capabilities of Java

Security Hazards in Java

Security in Java Application Containers

J2EE Containers

A Servlets-Based PaaS Google App Engine

OSGi Containers

Security Considerations about the NET Platform as a PaaS Enabler Technology

Standard Security Capabilities of NET

Security Hazards in NET

Security in NET Application Containers

Monitoring External Code Execution to Enforce Security

Discussion and Conclusion

RESEARCH

REPORT

Ndeg 7838November 2011

Project-Teams GRAAL

Building Safe PaaS

Clouds a Survey on

Security in Multitenant

Software Platforms

Luis Rodero-Merino Luis M Vaquero Eddy Caron Freacutedeacuteric

Desprez Adrian Muresan

UMR CNRS - ENS de Lyon - INRIA - UCB Lyon 5668

46 alleacutee drsquoItalie F-69364 Lyon France

Universidad Politeacutecnica de Madrid Facultad de Informaacutetica

B2 L3201 28660 Boadilla del Monte Spain

Hewlett-Packard Labs Stoke Gufford BS34 8QZ Bristol UK

RESEARCH CENTRE

Inovalleacutee

Prdiamstspadess

tspades

heartsr

P srt② sr②

hearts

r sdiamsrs P

r P ②stspadess

heartsr

P srt② sr②

hearts

hearts t diams

heartsr

P srt② sr②

hearts

rt② ③rs hearts

heartsr

P srt② sr②

hearts

heartsr

P srt② sr②

hearts

heartsr

P srt② sr②

hearts

heartsr

P srt② sr②

rt② ③rs hearts

hearts

heartsr

P srt② sr②

hearts

heartsr

P srt② sr②

tr ❱ ❱ ❱

diamsheartstrdiams

spades

heartssspadess

spadesr tdiams❱

spadesr tdiams ❱

rhearts

diamst ① ① ts

① t Prdiamssss

rrheartss

diamst ① ① ts

① t Prdiamssss

diams ②

s②heartsrdiams

hearts③

heartsheartsts

diamst ① ① ts

① t Prdiamssss

trspadeshearts

tdiamshearts

sdiamsr

diamsheartsthearts

hearts

heartsr

P srt② sr②

rheartss

hearts

heartsr

P srt② sr②

hearts

❬❪ s ② rt② ②

heartsr

P srt② sr②

hearts

heartsr

RESEARCH CENTRE

Inovalleacutee

Publisher

inriafr

ISSN 0249-6399

Introduction




J2EE Containers


OSGi Containers







RESEARCH CENTRE

Inovalleacutee

Prdiamstspadess

tspades

heartsr

P srt② sr②

hearts

r sdiamsrs P

r P ②stspadess

heartsr

P srt② sr②

hearts

hearts t diams

heartsr

P srt② sr②

hearts

rt② ③rs hearts

heartsr

P srt② sr②

hearts

heartsr

P srt② sr②

hearts

heartsr

P srt② sr②

hearts

heartsr

P srt② sr②

rt② ③rs hearts

hearts

heartsr

P srt② sr②

hearts

heartsr

P srt② sr②

tr ❱ ❱ ❱

diamsheartstrdiams

spades

heartssspadess

spadesr tdiams❱

spadesr tdiams ❱

rhearts

diamst ① ① ts

① t Prdiamssss

rrheartss

diamst ① ① ts

① t Prdiamssss

diams ②

s②heartsrdiams

hearts③

heartsheartsts

diamst ① ① ts

① t Prdiamssss

trspadeshearts

tdiamshearts

sdiamsr

diamsheartsthearts

hearts

heartsr

P srt② sr②

rheartss

hearts

heartsr

P srt② sr②

hearts

❬❪ s ② rt② ②

heartsr

P srt② sr②

hearts

heartsr

RESEARCH CENTRE

Inovalleacutee

Publisher

inriafr

ISSN 0249-6399

Introduction




J2EE Containers


OSGi Containers







tspades

heartsr

P srt② sr②

hearts

r sdiamsrs P

r P ②stspadess

heartsr

P srt② sr②

hearts

hearts t diams

heartsr

P srt② sr②

hearts

rt② ③rs hearts

heartsr

P srt② sr②

hearts

heartsr

P srt② sr②

hearts

heartsr

P srt② sr②

hearts

heartsr

P srt② sr②

rt② ③rs hearts

hearts

heartsr

P srt② sr②

hearts

heartsr

P srt② sr②

tr ❱ ❱ ❱

diamsheartstrdiams

spades

heartssspadess

spadesr tdiams❱

spadesr tdiams ❱

rhearts

diamst ① ① ts

① t Prdiamssss

rrheartss

diamst ① ① ts

① t Prdiamssss

diams ②

s②heartsrdiams

hearts③

heartsheartsts

diamst ① ① ts

① t Prdiamssss

trspadeshearts

tdiamshearts

sdiamsr

diamsheartsthearts

hearts

heartsr

P srt② sr②

rheartss

hearts

heartsr

P srt② sr②

hearts

❬❪ s ② rt② ②

heartsr

P srt② sr②

hearts

heartsr

RESEARCH CENTRE

Inovalleacutee

Publisher

inriafr

ISSN 0249-6399

Introduction




J2EE Containers


OSGi Containers







tspades

heartsr

P srt② sr②

hearts

r sdiamsrs P

r P ②stspadess

heartsr

P srt② sr②

hearts

hearts t diams

heartsr

P srt② sr②

hearts

rt② ③rs hearts

heartsr

P srt② sr②

hearts

heartsr

P srt② sr②

hearts

heartsr

P srt② sr②

hearts

heartsr

P srt② sr②

rt② ③rs hearts

hearts

heartsr

P srt② sr②

hearts

heartsr

P srt② sr②

tr ❱ ❱ ❱

diamsheartstrdiams

spades

heartssspadess

spadesr tdiams❱

spadesr tdiams ❱

rhearts

diamst ① ① ts

① t Prdiamssss

rrheartss

diamst ① ① ts

① t Prdiamssss

diams ②

s②heartsrdiams

hearts③

heartsheartsts

diamst ① ① ts

① t Prdiamssss

trspadeshearts

tdiamshearts

sdiamsr

diamsheartsthearts

hearts

heartsr

P srt② sr②

rheartss

hearts

heartsr

P srt② sr②

hearts

❬❪ s ② rt② ②

heartsr

P srt② sr②

hearts

heartsr

RESEARCH CENTRE

Inovalleacutee

Publisher

inriafr

ISSN 0249-6399

Introduction




J2EE Containers


OSGi Containers







tspades

heartsr

P srt② sr②

hearts

r sdiamsrs P

r P ②stspadess

heartsr

P srt② sr②

hearts

hearts t diams

heartsr

P srt② sr②

hearts

rt② ③rs hearts

heartsr

P srt② sr②

hearts

heartsr

P srt② sr②

hearts

heartsr

P srt② sr②

hearts

heartsr

P srt② sr②

rt② ③rs hearts

hearts

heartsr

P srt② sr②

hearts

heartsr

P srt② sr②

tr ❱ ❱ ❱

diamsheartstrdiams

spades

heartssspadess

spadesr tdiams❱

spadesr tdiams ❱

rhearts

diamst ① ① ts

① t Prdiamssss

rrheartss

diamst ① ① ts

① t Prdiamssss

diams ②

s②heartsrdiams

hearts③

heartsheartsts

diamst ① ① ts

① t Prdiamssss

trspadeshearts

tdiamshearts

sdiamsr

diamsheartsthearts

hearts

heartsr

P srt② sr②

rheartss

hearts

heartsr

P srt② sr②

hearts

❬❪ s ② rt② ②

heartsr

P srt② sr②

hearts

heartsr

RESEARCH CENTRE

Inovalleacutee

Publisher

inriafr

ISSN 0249-6399

Introduction




J2EE Containers


OSGi Containers







P srt② sr②

hearts

r sdiamsrs P

r P ②stspadess

heartsr

P srt② sr②

hearts

hearts t diams

heartsr

P srt② sr②

hearts

rt② ③rs hearts

heartsr

P srt② sr②

hearts

heartsr

P srt② sr②

hearts

heartsr

P srt② sr②

hearts

heartsr

P srt② sr②

rt② ③rs hearts

hearts

heartsr

P srt② sr②

hearts

heartsr

P srt② sr②

tr ❱ ❱ ❱

diamsheartstrdiams

spades

heartssspadess

spadesr tdiams❱

spadesr tdiams ❱

rhearts

diamst ① ① ts

① t Prdiamssss

rrheartss

diamst ① ① ts

① t Prdiamssss

diams ②

s②heartsrdiams

hearts③

heartsheartsts

diamst ① ① ts

① t Prdiamssss

trspadeshearts

tdiamshearts

sdiamsr

diamsheartsthearts

hearts

heartsr

P srt② sr②

rheartss

hearts

heartsr

P srt② sr②

hearts

❬❪ s ② rt② ②

heartsr

P srt② sr②

hearts

heartsr

RESEARCH CENTRE

Inovalleacutee

Publisher

inriafr

ISSN 0249-6399

Introduction




J2EE Containers


OSGi Containers







r sdiamsrs P

r P ②stspadess

heartsr

P srt② sr②

hearts

hearts t diams

heartsr

P srt② sr②

hearts

rt② ③rs hearts

heartsr

P srt② sr②

hearts

heartsr

P srt② sr②

hearts

heartsr

P srt② sr②

hearts

heartsr

P srt② sr②

rt② ③rs hearts

hearts

heartsr

P srt② sr②

hearts

heartsr

P srt② sr②

tr ❱ ❱ ❱

diamsheartstrdiams

spades

heartssspadess

spadesr tdiams❱

spadesr tdiams ❱

rhearts

diamst ① ① ts

① t Prdiamssss

rrheartss

diamst ① ① ts

① t Prdiamssss

diams ②

s②heartsrdiams

hearts③

heartsheartsts

diamst ① ① ts

① t Prdiamssss

trspadeshearts

tdiamshearts

sdiamsr

diamsheartsthearts

hearts

heartsr

P srt② sr②

rheartss

hearts

heartsr

P srt② sr②

hearts

❬❪ s ② rt② ②

heartsr

P srt② sr②

hearts

heartsr

RESEARCH CENTRE

Inovalleacutee

Publisher

inriafr

ISSN 0249-6399

Introduction




J2EE Containers


OSGi Containers







P srt② sr②

hearts

hearts t diams

heartsr

P srt② sr②

hearts

rt② ③rs hearts

heartsr

P srt② sr②

hearts

heartsr

P srt② sr②

hearts

heartsr

P srt② sr②

hearts

heartsr

P srt② sr②

rt② ③rs hearts

hearts

heartsr

P srt② sr②

hearts

heartsr

P srt② sr②

tr ❱ ❱ ❱

diamsheartstrdiams

spades

heartssspadess

spadesr tdiams❱

spadesr tdiams ❱

rhearts

diamst ① ① ts

① t Prdiamssss

rrheartss

diamst ① ① ts

① t Prdiamssss

diams ②

s②heartsrdiams

hearts③

heartsheartsts

diamst ① ① ts

① t Prdiamssss

trspadeshearts

tdiamshearts

sdiamsr

diamsheartsthearts

hearts

heartsr

P srt② sr②

rheartss

hearts

heartsr

P srt② sr②

hearts

❬❪ s ② rt② ②

heartsr

P srt② sr②

hearts

heartsr

RESEARCH CENTRE

Inovalleacutee

Publisher

inriafr

ISSN 0249-6399

Introduction




J2EE Containers


OSGi Containers







hearts t diams

heartsr

P srt② sr②

hearts

rt② ③rs hearts

heartsr

P srt② sr②

hearts

heartsr

P srt② sr②

hearts

heartsr

P srt② sr②

hearts

heartsr

P srt② sr②

rt② ③rs hearts

hearts

heartsr

P srt② sr②

hearts

heartsr

P srt② sr②

tr ❱ ❱ ❱

diamsheartstrdiams

spades

heartssspadess

spadesr tdiams❱

spadesr tdiams ❱

rhearts

diamst ① ① ts

① t Prdiamssss

rrheartss

diamst ① ① ts

① t Prdiamssss

diams ②

s②heartsrdiams

hearts③

heartsheartsts

diamst ① ① ts

① t Prdiamssss

trspadeshearts

tdiamshearts

sdiamsr

diamsheartsthearts

hearts

heartsr

P srt② sr②

rheartss

hearts

heartsr

P srt② sr②

hearts

❬❪ s ② rt② ②

heartsr

P srt② sr②

hearts

heartsr

RESEARCH CENTRE

Inovalleacutee

Publisher

inriafr

ISSN 0249-6399

Introduction




J2EE Containers


OSGi Containers







P srt② sr②

hearts

rt② ③rs hearts

heartsr

P srt② sr②

hearts

heartsr

P srt② sr②

hearts

heartsr

P srt② sr②

hearts

heartsr

P srt② sr②

rt② ③rs hearts

hearts

heartsr

P srt② sr②

hearts

heartsr

P srt② sr②

tr ❱ ❱ ❱

diamsheartstrdiams

spades

heartssspadess

spadesr tdiams❱

spadesr tdiams ❱

rhearts

diamst ① ① ts

① t Prdiamssss

rrheartss

diamst ① ① ts

① t Prdiamssss

diams ②

s②heartsrdiams

hearts③

heartsheartsts

diamst ① ① ts

① t Prdiamssss

trspadeshearts

tdiamshearts

sdiamsr

diamsheartsthearts

hearts

heartsr

P srt② sr②

rheartss

hearts

heartsr

P srt② sr②

hearts

❬❪ s ② rt② ②

heartsr

P srt② sr②

hearts

heartsr

RESEARCH CENTRE

Inovalleacutee

Publisher

inriafr

ISSN 0249-6399

Introduction




J2EE Containers


OSGi Containers







rt② ③rs hearts

heartsr

P srt② sr②

hearts

heartsr

P srt② sr②

hearts

heartsr

P srt② sr②

hearts

heartsr

P srt② sr②

rt② ③rs hearts

hearts

heartsr

P srt② sr②

hearts

heartsr

P srt② sr②

tr ❱ ❱ ❱

diamsheartstrdiams

spades

heartssspadess

spadesr tdiams❱

spadesr tdiams ❱

rhearts

diamst ① ① ts

① t Prdiamssss

rrheartss

diamst ① ① ts

① t Prdiamssss

diams ②

s②heartsrdiams

hearts③

heartsheartsts

diamst ① ① ts

① t Prdiamssss

trspadeshearts

tdiamshearts

sdiamsr

diamsheartsthearts

hearts

heartsr

P srt② sr②

rheartss

hearts

heartsr

P srt② sr②

hearts

❬❪ s ② rt② ②

heartsr

P srt② sr②

hearts

heartsr

RESEARCH CENTRE

Inovalleacutee

Publisher

inriafr

ISSN 0249-6399

Introduction




J2EE Containers


OSGi Containers







P srt② sr②

hearts

heartsr

P srt② sr②

hearts

heartsr

P srt② sr②

hearts

heartsr

P srt② sr②

rt② ③rs hearts

hearts

heartsr

P srt② sr②

hearts

heartsr

P srt② sr②

tr ❱ ❱ ❱

diamsheartstrdiams

spades

heartssspadess

spadesr tdiams❱

spadesr tdiams ❱

rhearts

diamst ① ① ts

① t Prdiamssss

rrheartss

diamst ① ① ts

① t Prdiamssss

diams ②

s②heartsrdiams

hearts③

heartsheartsts

diamst ① ① ts

① t Prdiamssss

trspadeshearts

tdiamshearts

sdiamsr

diamsheartsthearts

hearts

heartsr

P srt② sr②

rheartss

hearts

heartsr

P srt② sr②

hearts

❬❪ s ② rt② ②

heartsr

P srt② sr②

hearts

heartsr

RESEARCH CENTRE

Inovalleacutee

Publisher

inriafr

ISSN 0249-6399

Introduction




J2EE Containers


OSGi Containers







heartsr

P srt② sr②

hearts

heartsr

P srt② sr②

hearts

heartsr

P srt② sr②

rt② ③rs hearts

hearts

heartsr

P srt② sr②

hearts

heartsr

P srt② sr②

tr ❱ ❱ ❱

diamsheartstrdiams

spades

heartssspadess

spadesr tdiams❱

spadesr tdiams ❱

rhearts

diamst ① ① ts

① t Prdiamssss

rrheartss

diamst ① ① ts

① t Prdiamssss

diams ②

s②heartsrdiams

hearts③

heartsheartsts

diamst ① ① ts

① t Prdiamssss

trspadeshearts

tdiamshearts

sdiamsr

diamsheartsthearts

hearts

heartsr

P srt② sr②

rheartss

hearts

heartsr

P srt② sr②

hearts

❬❪ s ② rt② ②

heartsr

P srt② sr②

hearts

heartsr

RESEARCH CENTRE

Inovalleacutee

Publisher

inriafr

ISSN 0249-6399

Introduction




J2EE Containers


OSGi Containers







P srt② sr②

hearts

heartsr

P srt② sr②

hearts

heartsr

P srt② sr②

rt② ③rs hearts

hearts

heartsr

P srt② sr②

hearts

heartsr

P srt② sr②

tr ❱ ❱ ❱

diamsheartstrdiams

spades

heartssspadess

spadesr tdiams❱

spadesr tdiams ❱

rhearts

diamst ① ① ts

① t Prdiamssss

rrheartss

diamst ① ① ts

① t Prdiamssss

diams ②

s②heartsrdiams

hearts③

heartsheartsts

diamst ① ① ts

① t Prdiamssss

trspadeshearts

tdiamshearts

sdiamsr

diamsheartsthearts

hearts

heartsr

P srt② sr②

rheartss

hearts

heartsr

P srt② sr②

hearts

❬❪ s ② rt② ②

heartsr

P srt② sr②

hearts

heartsr

RESEARCH CENTRE

Inovalleacutee

Publisher

inriafr

ISSN 0249-6399

Introduction




J2EE Containers


OSGi Containers







heartsr

P srt② sr②

hearts

heartsr

P srt② sr②

rt② ③rs hearts

hearts

heartsr

P srt② sr②

hearts

heartsr

P srt② sr②

tr ❱ ❱ ❱

diamsheartstrdiams

spades

heartssspadess

spadesr tdiams❱

spadesr tdiams ❱

rhearts

diamst ① ① ts

① t Prdiamssss

rrheartss

diamst ① ① ts

① t Prdiamssss

diams ②

s②heartsrdiams

hearts③

heartsheartsts

diamst ① ① ts

① t Prdiamssss

trspadeshearts

tdiamshearts

sdiamsr

diamsheartsthearts

hearts

heartsr

P srt② sr②

rheartss

hearts

heartsr

P srt② sr②

hearts

❬❪ s ② rt② ②

heartsr

P srt② sr②

hearts

heartsr

RESEARCH CENTRE

Inovalleacutee

Publisher

inriafr

ISSN 0249-6399

Introduction




J2EE Containers


OSGi Containers







P srt② sr②

hearts

heartsr

P srt② sr②

rt② ③rs hearts

hearts

heartsr

P srt② sr②

hearts

heartsr

P srt② sr②

tr ❱ ❱ ❱

diamsheartstrdiams

spades

heartssspadess

spadesr tdiams❱

spadesr tdiams ❱

rhearts

diamst ① ① ts

① t Prdiamssss

rrheartss

diamst ① ① ts

① t Prdiamssss

diams ②

s②heartsrdiams

hearts③

heartsheartsts

diamst ① ① ts

① t Prdiamssss

trspadeshearts

tdiamshearts

sdiamsr

diamsheartsthearts

hearts

heartsr

P srt② sr②

rheartss

hearts

heartsr

P srt② sr②

hearts

❬❪ s ② rt② ②

heartsr

P srt② sr②

hearts

heartsr

RESEARCH CENTRE

Inovalleacutee

Publisher

inriafr

ISSN 0249-6399

Introduction




J2EE Containers


OSGi Containers







heartsr

P srt② sr②

rt② ③rs hearts

hearts

heartsr

P srt② sr②

hearts

heartsr

P srt② sr②

tr ❱ ❱ ❱

diamsheartstrdiams

spades

heartssspadess

spadesr tdiams❱

spadesr tdiams ❱

rhearts

diamst ① ① ts

① t Prdiamssss

rrheartss

diamst ① ① ts

① t Prdiamssss

diams ②

s②heartsrdiams

hearts③

heartsheartsts

diamst ① ① ts

① t Prdiamssss

trspadeshearts

tdiamshearts

sdiamsr

diamsheartsthearts

hearts

heartsr

P srt② sr②

rheartss

hearts

heartsr

P srt② sr②

hearts

❬❪ s ② rt② ②

heartsr

P srt② sr②

hearts

heartsr

RESEARCH CENTRE

Inovalleacutee

Publisher

inriafr

ISSN 0249-6399

Introduction




J2EE Containers


OSGi Containers







P srt② sr②

rt② ③rs hearts

hearts

heartsr

P srt② sr②

hearts

heartsr

P srt② sr②

tr ❱ ❱ ❱

diamsheartstrdiams

spades

heartssspadess

spadesr tdiams❱

spadesr tdiams ❱

rhearts

diamst ① ① ts

① t Prdiamssss

rrheartss

diamst ① ① ts

① t Prdiamssss

diams ②

s②heartsrdiams

hearts③

heartsheartsts

diamst ① ① ts

① t Prdiamssss

trspadeshearts

tdiamshearts

sdiamsr

diamsheartsthearts

hearts

heartsr

P srt② sr②

rheartss

hearts

heartsr

P srt② sr②

hearts

❬❪ s ② rt② ②

heartsr

P srt② sr②

hearts

heartsr

RESEARCH CENTRE

Inovalleacutee

Publisher

inriafr

ISSN 0249-6399

Introduction




J2EE Containers


OSGi Containers







heartsr

P srt② sr②

hearts

heartsr

P srt② sr②

tr ❱ ❱ ❱

diamsheartstrdiams

spades

heartssspadess

spadesr tdiams❱

spadesr tdiams ❱

rhearts

diamst ① ① ts

① t Prdiamssss

rrheartss

diamst ① ① ts

① t Prdiamssss

diams ②

s②heartsrdiams

hearts③

heartsheartsts

diamst ① ① ts

① t Prdiamssss

trspadeshearts

tdiamshearts

sdiamsr

diamsheartsthearts

hearts

heartsr

P srt② sr②

rheartss

hearts

heartsr

P srt② sr②

hearts

❬❪ s ② rt② ②

heartsr

P srt② sr②

hearts

heartsr

RESEARCH CENTRE

Inovalleacutee

Publisher

inriafr

ISSN 0249-6399

Introduction




J2EE Containers


OSGi Containers







P srt② sr②

hearts

heartsr

P srt② sr②

tr ❱ ❱ ❱

diamsheartstrdiams

spades

heartssspadess

spadesr tdiams❱

spadesr tdiams ❱

rhearts

diamst ① ① ts

① t Prdiamssss

rrheartss

diamst ① ① ts

① t Prdiamssss

diams ②

s②heartsrdiams

hearts③

heartsheartsts

diamst ① ① ts

① t Prdiamssss

trspadeshearts

tdiamshearts

sdiamsr

diamsheartsthearts

hearts

heartsr

P srt② sr②

rheartss

hearts

heartsr

P srt② sr②

hearts

❬❪ s ② rt② ②

heartsr

P srt② sr②

hearts

heartsr

RESEARCH CENTRE

Inovalleacutee

Publisher

inriafr

ISSN 0249-6399

Introduction




J2EE Containers


OSGi Containers







heartsr

P srt② sr②

tr ❱ ❱ ❱

diamsheartstrdiams

spades

heartssspadess

spadesr tdiams❱

spadesr tdiams ❱

rhearts

diamst ① ① ts

① t Prdiamssss

rrheartss

diamst ① ① ts

① t Prdiamssss

diams ②

s②heartsrdiams

hearts③

heartsheartsts

diamst ① ① ts

① t Prdiamssss

trspadeshearts

tdiamshearts

sdiamsr

diamsheartsthearts

hearts

heartsr

P srt② sr②

rheartss

hearts

heartsr

P srt② sr②

hearts

❬❪ s ② rt② ②

heartsr

P srt② sr②

hearts

heartsr

RESEARCH CENTRE

Inovalleacutee

Publisher

inriafr

ISSN 0249-6399

Introduction




J2EE Containers


OSGi Containers







P srt② sr②

tr ❱ ❱ ❱

diamsheartstrdiams

spades

heartssspadess

spadesr tdiams❱

spadesr tdiams ❱

rhearts

diamst ① ① ts

① t Prdiamssss

rrheartss

diamst ① ① ts

① t Prdiamssss

diams ②

s②heartsrdiams

hearts③

heartsheartsts

diamst ① ① ts

① t Prdiamssss

trspadeshearts

tdiamshearts

sdiamsr

diamsheartsthearts

hearts

heartsr

P srt② sr②

rheartss

hearts

heartsr

P srt② sr②

hearts

❬❪ s ② rt② ②

heartsr

P srt② sr②

hearts

heartsr

RESEARCH CENTRE

Inovalleacutee

Publisher

inriafr

ISSN 0249-6399

Introduction




J2EE Containers


OSGi Containers







heartsr

P srt② sr②

rheartss

hearts

heartsr

P srt② sr②

hearts

❬❪ s ② rt② ②

heartsr

P srt② sr②

hearts

heartsr

RESEARCH CENTRE

Inovalleacutee

Publisher

inriafr

ISSN 0249-6399

Introduction




J2EE Containers


OSGi Containers







P srt② sr②

rheartss

hearts

heartsr

P srt② sr②

hearts

❬❪ s ② rt② ②

heartsr

P srt② sr②

hearts

heartsr

RESEARCH CENTRE

Inovalleacutee

Publisher

inriafr

ISSN 0249-6399

Introduction




J2EE Containers


OSGi Containers







heartsr

P srt② sr②

hearts

❬❪ s ② rt② ②

heartsr

P srt② sr②

hearts

heartsr

RESEARCH CENTRE

Inovalleacutee

Publisher

inriafr

ISSN 0249-6399

Introduction




J2EE Containers


OSGi Containers







P srt② sr②

hearts

❬❪ s ② rt② ②

heartsr

P srt② sr②

hearts

heartsr

RESEARCH CENTRE

Inovalleacutee

Publisher

inriafr

ISSN 0249-6399

Introduction




J2EE Containers


OSGi Containers







❬❪ s ② rt② ②

heartsr

P srt② sr②

hearts

heartsr

RESEARCH CENTRE

Inovalleacutee

Publisher

inriafr

ISSN 0249-6399

Introduction




J2EE Containers


OSGi Containers







P srt② sr②

hearts

heartsr

RESEARCH CENTRE

Inovalleacutee

Publisher

inriafr

ISSN 0249-6399

Introduction




J2EE Containers


OSGi Containers







heartsr

RESEARCH CENTRE

Inovalleacutee

Publisher

inriafr

ISSN 0249-6399

Introduction




J2EE Containers


OSGi Containers







RESEARCH CENTRE

Inovalleacutee

Publisher

inriafr

ISSN 0249-6399

Introduction




J2EE Containers


OSGi Containers







Documents

Building Safe PaaS Clouds: a Survey on Security in ...Building Safe PaaS Clouds: a Survey on Security in Multitenant Software Platforms ... (such as Enterprise Jaav Beans) that can