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A 1 GMU- GMU -AFCEA Symposium 2009: AFCEA Symposium 2009: - - PDF document

Nov 05, 2023 374 likes •444 views

!"#$%&'#$()*$&+ ,-&./01#$2+/#3*&/0)+$4*&5#6)*7 Dennis M. Moen Dennis.M.Moen@lmco.com Lynn M. Meredith Lynn.Meredith@lmco.com A 1 GMU- GMU -AFCEA Symposium 2009: AFCEA Symposium 2009: Critical Issues in c4I

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Dennis M. Moen Dennis.M.Moen@lmco.com Lynn M. Meredith Lynn.Meredith@lmco.com

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  • AFCEA Symposium 2009:

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! Background ! Protocol Interworking ! Integration Framework ! Dynamic Resource Management/Quality of

Service

! Conclusions and Future Work

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! Military Applications are Inherently

Distributed

− Some but not all threads in these applications are real-time − Nodes in the network are mobile − Military networks are resource constrained − Information Sharing and Collaboration Initiatives

! Users are Overwhelmed with Data

− Role or Attribute-Based Access Control (RBAC/ABAC) − Organizational Role − Communities of Interest

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! Service Oriented Middleware Technology

and Products

− CORBA – some real-time services and implementations − J2EE – no real-time versions − Web 2.0 and Web 3.0 − Others

! Quality of Service

− GIG E2E QoS − Disconnected Intermittent Limited (DIL) Environments − QoS depends on underlying infrastructure

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! Traditional Model has well

defined services

− Applications assume a stable

network environment

− Complexity is pushed up the stack

! Integrated Model has less

well defined boundaries

− Applications adaptive to changing

network environment

− Dynamic Data format is mapped

to network services available

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Network Characteristics

! Asynchronous operation in intermittent

connectivity / limited bandwidth environments

! Operates through a loosely coupled set of

Nodes

! Provides authentication, certification

integrity, availability and confidentiality

! Provides and / or requests services

based on node type and business rules

! Supports inter-nodal interaction through

the Data Dissemination Layer (DDL)

! Integrates and processes data though the

Data Aggregation Layer (DAL)

! Supports role based Situational

Awareness

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  • AFCEA Symposium 2009:

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Network aware applications enabled by host level network services

! Data aggregation ! Efficient dissemination via overlay

networking (multicast for example)

! Content based routing/forwarding

(policy based networking)

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QC provides operational resource allocation

! Users or machine-to-machine ! Roles defined via registry service ! Includes infrastructure services

(email, chat, data distribution)

! Use Information exchange

requirements to allocated resources

! Define modes during system

architecture process

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! Prototype of QC has been demonstrated in

800+ client network (Java implementation)

! Plan to explore network routing

applications

! Expand QC to include network QoS:

latency, jitter, fault tolerance, security…

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