Statement of Work

1
Statement of Work

• NRL EEE/ESG
• And
• SRSS

2
First Year EEE

• Assist in determining if the CoABS
  architecture/technology can successfully
  transition to U.S. Navy Fleet communications
  systems and networks.
• Assist in determining if the current and planned
  U.S. Navy Fleet communications systems and
  networks support agent and application IT
  requirements.
• Evaluate the CoABS grid technology for
  appropriateness and sufficiency for the
  conduction of Fleet Battle Experiments and to the
  support of Fleet operations.
• Assist in the identification of components and
  develop an architectural map of U.S. Navy Fleet
  communications systems and networks to be
  utilized in Fleet Battle Experiments (FBE)
  related to EEE.
• Assist in the development of experiment and
  scenario lists for FBE exercises detailing
  expectations and any known required information
  infrastructure, connectivity, services, and
  software component activities

3
First Year EEE Continued

• Develop consolidated requirements list of IT,
  application, and software infrastructure services
  for FBE exercises.
• Develop evaluation metrics of software
  infrastructure alternatives that are compliant
  with the requirements of the FBE tasks and
  expectations related to EEE.
• Utilize CMUs experience with the CoABS Grid,
  Jini, and other Discovery, Lookup, Matchmaking,
  and Agent Coordination Infrastructures to
  evaluate the Grid against these metrics.
• Examine Jini Publish/Subscribe services and
  subsequent Grid Publish/Subscribe technologies
  to be evaluated for applicability to task.
• List benefits and limitations of viable
  Agent-Based-Computing alternatives and indicate
  enhancements required to fulfill FBE objectives.
• Propose initial enhancements to the Grid that
  will be required to fulfill FBE/EEE expectations.
• Propose set of experiments to identify
  functionality and scalability tradeoffs to
  further guide development.
• Deliverables
•          Evaluation Report of Grid applicability
  to FBE/EEE tasks.
•          Design documents for Grid upgrades and
  experiments.

4
Second Year EEE

• Conduct experiments as detailed in year one to
  examine Grid characteristics.
• Conclude evaluation of Grid applicability to
  FBE/EEE initiatives.
• Design interconnection coordination and
  interaction profiles for meaningful assembly of
  ad-hoc distribution of networked devices
  (sensors)
• Develop interconnection management software and
  API to allow application/agent level control
  and/or awareness of network fabric.
• Implement coordination protocols to achieve
  communication goals within security and power
  constraints of sensor node model.
• Implement ns-2 coordination protocols, agents,
  middleware, and services.
• Develop Web Services-based WSDL descriptors and
  advertisements and SOAP interfaces for generic
  Sensor objects and identified middleware/services.
  
• Develop DAML-S descriptors and advertisements for
  generic templates and taxonomies for Sensor
  objects to extend sensor-based web services to
  support viable semantic representations and
  interactions

5
Second Year EEE - Continued

• Perform ns-2 simulations to test and evaluate
  network coordination communication protocols.
  Contrast tradeoffs of payload size, power,
  security, and increased functionality.
• Tie ns-2 simulated sensor clusters to ModSAF
  simulation environment using interoperability
  components to examine sensor groups in larger
  contexts.
• Deliverables
•          Documented autonomous sensor object
  taxonomy and semantic representations, as well as
  web-based service interface templates.
•          Prototype sensor coordination software
  agents.
•          Simulation environment to examine
  horizontal coordination of ad-hoc sensor groups.
  
•          Interoperation between ns-2 sensor
  simulations and SAF scenario simulation.

6
Third Year EEE

• Develop hierarchy architecture of sensor peer
  node systems to allow appropriate connectivity
  between individual sensor devices, communications
  coordinators, task agents, plan agents, and
  higher-level Grid (or other) Infrastructure
  services.
• Develop advertisement and interaction descriptors
  with DAML, RDF, WSDL, SOAP, etc to integrate
  multiple vertical coordination opportunities for
  hierarchical systems.
• Implement connectivity and deployment
  coordination agents to tie Sensor Grids to
  Information Grids and Command and Control Grids.
  (Whether CoABS Grid, Web, or some other).
• Develop ns-2 control scenarios to model sensor
  infrastructure activities, coordination, and
  utility
• Develop ns-2 framework objects based on designs
  and architectures defined in the previous years
  of this project to provide boilerplate
  integration of new sensor, IT, and agent
  technologies.

7
Third Year EEE Continued

• Create Developers and Users guides to support
  ongoing and subsequent projects.
• Deliverables
•         Software design and prototype systems to
  support vertical hierarchy to enhance and expand
  C2 management, coordination, and control of
  heterogeneous sensor systems.
•         Interoperability between simulation,
  prototype, web, Semantic Web, and Grid based
  objects.
•         Documentation to support ongoing
  development and utilization of foundation
  technologies.

8
First Year SRSS

1. Identify appropriate technologies to be modeled
   in ns-2 MANET/sensor simulations that provide
   application-level publish/subscribe (or
   service/peer discovery) mechanisms.
2. Identify other Middleware/Services that would be
   beneficial to networked sensor networks, and
   profile/define-architecture for future inclusion
   in ns-2 simulation environment.
3. Design extensions to ns-2 required for
   implementing application-level agents that
   utilize multiple (and possibly new and previously
   unimplemented) transport mechanisms. The classes
   should fit within an extensible framework to
   allow for the future creation of simulated
   sensor applications which use NRLs sensor
   stimulant/detector extensions.
4. Utilize Experience with ModSAF/OTBSAF to develop
   parallel and/or linking architectures to extend
   modeling and simulation usefulness.

9
First Year SRSS Continued

• Examine feasibility of accessibility and semantic
  representations of sensors using current schemas
  (such as WSDL/SOAP and DAML-S) for machine
  readable descriptions of sensor objects.
• Utilize Experience with CoABS, RETSINA, and other
  Service and Agent Infrastructures to develop a
  Taxonomy of Publish and Subscribe architectures.
• Deliverables
•         Design documents of ns-2 protocol,
  sensor, agent, and service extensions, and, both
  environment and sensor representations in
  semantic markup format
•         Taxonomy document describing
  Publish/Subscribe architecture.

10
Second Year SRSS

1. Implement extensions to ns-2 (as identified in
   year one) in the form of application-level agents
   using appropriate transport mechanisms. The
   classes created will fit within an extensible
   framework that allows the creation of simulated
   sensor applications utilizing NRLs sensor
   stimulant/detector extensions.
2. Construct Web Services-based WSDL descriptors and
   advertisements and SOAP interfaces for actual
   SRSS physical sensor devices.
3. Construct DAML-S semantic descriptors and
   advertisements for actual SRSS physical sensor
   devices.
4. Conduct simulations to evaluate trade-offs in
   performance of application-level and/or network
   level organizational and discovery mechanisms in
   sensor environments. (Anycast, Multicast, SLP,
   SSDP, A2A, etc.)
5. Implement alternative technologies in ns-2
   MANET/sensor simulations to provide
   application-level publish/subscribe (or
   service/peer discovery) mechanisms

11
Second Year SRSS Continued

• Conduct simulations to examine and report on
  trade-offs in performance in above technologies
  in sensor environment.
• Conduct simulations to examine and report on
  trade-offs in performance in application-level
  and/or network level network-interconnection
  coordination tasks in sensor environment.
  (Performance is in terms of speed, power use,
  complexity, redundancy, etc)
• Deliverables
•          Low level (native), web-based
  (SOAP/WSDL), and Semantic Web (DAML-S)
  representations of actual sensor devices.
•          Simulation environments for operational
  evaluation of sensor configuration and
  management.
•          Report on tradeoffs and payoffs of
  utilization of different technologies.

12
Third Year SRSS

• Implement ns-2 simulation glue to tie ns-2
  objects to real-world interface, support, and
  GUI/control entities and versions to completely
  simulate environment (where appropriate)
• Implement ns-2 simulation framework to evaluate
  sensor variations, placements, deployments, and
  heterogeneous node architectures in repeatable
  real-world scenarios.
• Implement hardware-in-loop mechanisms to evaluate
  physical object performance with simulated
  objects and compare simulation fidelity.
• Implement human-in-loop mechanisms to exercise
  all facets of SRSS object functionality.
• Implement SAF-in-loop mechanisms to exercise SRSS
  scenarios in ModSAF simulations.

13
Third Year SRSS Continued

• Develop visualization tools for SRSS object
  activities and interactions tied to simulation
  exercises.
• Augment visualization tools for SRSS to provide
  support as standalone Command and Control
  applications in simulated and actual
  environments.
• Deliverables
•       Interoperability of numerous simulation,
  virtual, and real realms of systems and objects
•       Tools to observe, manage, and control SRSS
  sensor objects in both real and simulated
  environments.