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Self-Aware Networks Self-Healing and Self-Defense via Aware and Vigilant Networks. August, 2002. PnP Networks, Inc. Overview. Project New cognitive architecture to address self-healing and self-defense in distributed networks

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self aware networks self healing and self defense via aware and vigilant networks

Self-Aware NetworksSelf-Healing and Self-Defense via Aware and Vigilant Networks

August, 2002

PnP Networks, Inc.

overview
Overview

Project

  • New cognitive architecture to address self-healing and self-defense in distributed networks
  • Will require advances in representation and reasoning, communications and interaction technology, computational perception, and learning
  • Begin with LAN problem testbed; later transition to other RAP applications
areas of research innovation
Areas of Research Innovation
  • Partially observable Markov decision processes
  • Distributed diagnosis and repair using coalition logic and game theory
  • Hierarchical distribution of intelligence
  • Adaptation and learning
technical rationale
Technical Rationale

Critical need for distributed cognitive networks

  • Operating with or without a centralized command node
  • Each node having knowledge of overall network and goals
  • Cognitive hierarchy functioning at individual node level, collaborating with neighboring nodes, and with global coordination and learning
  • Adaptive knowledge, building on individual and collaborative experience
technical rationale continued
Technical Rationale (continued)

LAN problem ideal for study

  • Well-defined problem; can be specified using only commercial components.
  • Complex – currently requires extensive human expertise
  • System is inherently distributed and amenable to solutions based on coalitions or teams of agents
  • System is subject to unpredictable changes in connectivity, hardware, firmware, and software at any time in any of its components
  • Connectivity of the system is unreliable, especially for wireless networks
network self awareness

Advise and Adapt

  • Communicate experience for installation and configuration
  • Update experience base with feedback

Remove Node

  • Remove from Collaboration Bus

Collaboration

Bus

Add Node

Reconfigure Node

  • Authenticate New Node
  • Auto-configure
  • Initialize state Information
  • Initiate Collaboration Bus

WAN

  • Register new application/functionality
  • Auto-configure
  • Re-initialize state Information
  • Update Collaboration Bus

Active Virtual Collaboration Link

Expired Virtual Collaboration Link

Physical (or wireless) Connection

Removed Connection

Advisor Node

Computing Node

Routing Node

Attached Peripheral

Network Self-Awareness

All modes of cognition resident in each node

network self healing self defense

WAN

Active Virtual Collaboration Link

Expired Virtual Collaboration Link

Physical (or wireless) Connection

Removed Connection

Advisor Node

Computing Node

Routing/Firewall Node

Attached Peripheral

Network Self-Healing, Self-Defense

Corrective Response

  • Communicate experience for diagnosis and repair
  • Update experience base with feedback

Web Server Attack

Collaboration

Bus

  • Identify source
  • Request assistance from firewall

Network Application

Failure

  • Identify incorrect/incompatible settings, consulting with neighboring nodes
  • Adjust local settings
  • Request network settings adjustment from routing node
a hard problem
A Hard Problem

The problem of distributed cognition is hard, and not yet tested in real-world domains. This will be the first application to combine

  • Extensive formal representation of network states
  • Partitioned and hierarchical intelligence
  • Coalition reasoning
  • Adaptive distributed knowledge base