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Intelligent User Agent Services for Advanced and Future Communication

This workshop discusses the telecommunications architecture for evolving environments and the specification of an "Information Communication Architecture" based on intelligent user agents. It explores the challenges of identifying and addressing entities, the separation of concerns between identification and actual identity, and proposes a methodology for transcending legacy issues. The framework includes objects, attributes, relationships, operations, and rules for effective communication.

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Intelligent User Agent Services for Advanced and Future Communication

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  1. Identifying & Reaching Beyond Naming & Addressing Keith G Knightson Nortel Networks ITU-T SG2 Workshop, January 25-27, 2000 1

  2. Telecommunications Architecture for an Evolving Environment Q29/13 -TAEE: Specification of an “Information Communication Architecture” based on the concept of intelligent user agents for the provision of advanced and future services. User Agent Services should be designed to: • Provide user-driven services for establishing communication • Distinguish between person, device, service • Accommodate various degrees of mobility • Deal with various types of network (new and legacy) • Deal with combinations of various network types • Apply intelligence to the process of communication* establishment for information transfer * Modes include Connection-oriented, connectionless, 1:1, 1:N, N:1, etc 2

  3. Challenges • Users may have multiple “identifiers/addresses” • Users have access to multiple terminals • Terminals need addresses/identifiers • Terminals have different capabilities • Mobility of users and terminals • What identifier/address/quantity should be used to contact a given entity at a given time time? • What identifier/address/quantity represents a terminal that has the right capabilities for desired service? • What other identification and nature information is necessary? 3

  4. Separation of Concerns Advanced services need to distinguish between: • The means of identifying of entities (in general) • Different identification schema • The actual identity of originating/receiving entities • Different types of entities • The real physical locations at which entities could be present • The actual position of an entity • Different kinds of “locator” used for reaching entities • The “locator” to be used to reach a given entity Initial Focus: Semantics NOT Syntax 4

  5. Example of Roles Identification Schema can serve several purposes/roles: • Name of a Service e.g. 1 800 ACME INC • Global Locator e.g. Global Mobile Number for UPT • Address e.g. the E.164 number given to the fax machine in Room101, Building 3, 16 Bean St, Toytown 5

  6. Approach to Service Development • Consider what types of entities need to be accommodated • Consider how such entities should be identified • Consider the mechanisms required to locate and communicate with such entities • Consider the roles and needs for N & A schemes 6

  7. Accumulated History • Technical legacy includes: • Network-dependent schemes • E.g. E.164, X.121, F69, IP (IPv4, URL), etc. • Network-centric deployment • (Reflecting network topology, network technology, service-provider preferences, etc.) • Other legacy problems include: • Political issues • Organizational/Jurisdictional issues 7

  8. Proposed Methodology • Work Methodology should: • Avoid entanglement in above legacy issues and processes • Work on specifying solutions which transcend but encompass co-existence and transition amongst the legacy issues and processes 8

  9. Beyond N&A - Identification & Reaching - Operations and Rules Desired Target Y: What (person, device, service.etc) Where (office, home, car, etc) Target Y Originator X: What (person, device, service.etc) Where (office, home, car, etc) Desires ? ? Asks X Alternatives Offered ? ? Accept ? Actually Reaches Y Accept Actual What (person, device, service.etc) Where (office, home, car, etc) Reject Z Receiver Rule-based Operations on Objects and attributes 9

  10. Individual Individual Individual Identifier(s) Device Device Device Means of Location Service Position Organization Organization Characteristics Owner Owner Billable Entity Billable Entity Etc. Elements for Consideration Attributes Content Info 10

  11. I & R Framework - Objects, Attributes, Relationships, Operations and Rules Communication Objects: Attributes: Person Id(s), location/position, etc. Organization Id(s), location/position, etc. Device Id(s), location/position, type, characteristics, etc. Service Id(s), location /position, type, characteristics, etc. Other Related Objects: Attributes: Owner TBD Billable Entity TBD ======================================== Relationships TBD Operations TBD Rules TBD 11

  12. Conclusions • Currently we have insufficient tools to describe the breadth of communication services and future innovation. • The specification of intelligent services requires tools to provide the finer semantic distinctions that are required for the provision of advanced services. • Need to transcend, and still accommodate, a number of existing schema and organizational boundaries. • Need to develop a semantic model for generically describing the Objects, Attributes, Relationships, Operations and Rules involved in establishing communication. 12

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