s elf -m anagement o f s ervices i n d istributed s ystems elena del val 27 julio 2011

SELF-MANAGEMENT OF SERVICES IN DISTRIBUTED

SYSTEMS

Elena del Val

27 Julio 2011

Context

Context Complex Networks Proposal

Large-scale and highly-dynamic Systems:Peer-to-Peer, Service-Oriented Environments, Grid, or Cloud Systems

Context Complex Networks Proposal

Entities that…LOCAL KNOWLEDGE

LARGE NUMBEROF SERVICES

COLLABORATORS

SELFISH

DYNAMICOPEN

Complex Networks

Context Complex Networks Proposal

Human beings are able to create efficient structures:

Self-organized

Locate other individual:

few steps local information

Homophily

Context Complex Networks Proposal

Interdisciplinary collaborations

High school friendship

Physicistcollaborations

Proposal

Context Complex Networks Proposal

Self-organized and decentralized service management system for

agents based on homophily

SEMANTICINFORMATION

Context Complex Networks Proposal

Structure

Search

Context Complex Networks Proposal

Self-Adaptation

Context Complex Networks Proposal

Agents analyze local information about service requests :

- remain in the system- clone- leave

Link Decay:

- break and establish new links- reinforce links

Heterogeneity & Cooperation emergence

Context Complex Networks Proposal

Agent’s Utility FunctionLink decay