Dynamic Agent-Based Prioritized Connection Admission for Stressed Network Cory C. Beard and Victor S. Frost Information and Telecommunication Technology center Department of Electrical Engineering & Computer Science The University of Kansas

Introduction Emergencies or natural disasters Greater importance Dynamic context Geographically distributed importance ticket servers Intelligent agent communication techniques

Importance Ticket Server Architecture Importance Ticket Servers Importance Ticket

Importance Ticket Server Information that user should provide to ITS: User identity User organization affiliation User ’ s views of the current context User work function Authentication sources to contact

Importance Ticket Server Benefits of the architecture: Quick connection admission Detailed tracking of resource usage Server context model Low overhead Regional deployment

Importance Ticket The purpose: Supersedure Necessarity The attributes Value Duration Connect identifier

Kerberos Kerberos: An Authentication Service for Open Network Systems Jennifer G. Steiner, Clifford Neuman, Jeffrey I. Schiller

Importance Decision User verification User satisfaction Viewpoint difference Misunderstood information clarification Dynamic context Credibility Authority preferential treatment

Design Intelligent agents Autonomy Communication ability Negotiation Reasoning Agent communication Negotiation protocol

Design

Intelligent Agents User agents Negotiation for tickets Server agents Ticket assignment Context model updates Explanations

Agent Communication Speech acts AC language messages: An explicit designation of a speech act The content related to the speech act KQML

Communication Model

Benefits and Complexity Compare to extended ATM Signaling approach showed in Fig.3: Greater user satisfaction Greater chance for connection admission Greater awareness of connection being treated Greater flexibility for influencing outcomes

Extended ATM Signaling approach

Implementation Issues KQML processing Immobile IA Secure tickets exchange Information verification Negotiation for tickets Frivolous communication Dynamic context updates

Conclusion Importance 921 大地震, 警廣交通網 Architecture and technologies ITS, IT, IA, AC Future work Justification of ITS Security Admission & resource allocation