Location/Registration

UMDL Protocol

Task Language

Registry

Agent (1)

Registry DB

UMDL

Agent (1)

Registry

Agent (n)

. . .

UMDL

Agent (k)

. . .

SQL:

Server

Problem: How should agent instances that fit a capability description be found by other agents

Strategy: Relational database accessed through Registry Agent(s), universally-known protocol

Scale-up challenge:
• multiple Registry Agents are clients of DB
• UMDL agents randomize/focus requests
• DB in Sybase for replication

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