Net-Centric Information Management (IM) and sharing in tactical environments promises to revolutionize forward
command and control capabilities by providing ubiquitous shared situational awareness to the warfighter. This vision
can be realized by leveraging the tactical and Mobile Ad hoc Networks (MANET) which provide the underlying communications
infrastructure, but, significant technical challenges remain. Enabling information management in these highly
dynamic environments will require multiple support services and protocols which are affected by, and highly dependent
on, the underlying capabilities and dynamics of the tactical network infrastructure.
In this paper we investigate, discuss, and evaluate the effects of realistic tactical and mobile communications network
environments on mission-critical information management systems. We motivate our discussion by introducing the Advanced
Information Management System (AIMS) which is targeted for deployment in tactical sensor systems. We
present some operational requirements for AIMS and highlight how critical IM support services such as discovery,
transport, federation, and Quality of Service (QoS) management are necessary to meet these requirements.
Our goal is to provide a qualitative analysis of the impact of underlying assumptions of availability and performance of
some of the critical services supporting tactical information management. We will also propose and describe a number
of technologies and capabilities that have been developed to address these challenges, providing alternative approaches
for transport, service discovery, and federation services for tactical networks.
KEYWORDS: Web services, Data modeling, Stars, Chemical elements, Analytical research, Data communications, Information architecture, Software development, Standards development, Computer programming
Military solutions to enable information sharing are being developed that will fundamentally change future concepts of
operation. The development of sophisticated approaches to managing this information is a key element to reliably
disseminate valued information to the tactical edge. This paper will describe the merging of two such systems to support
these tactical edge users; the Air Force Research Laboratory (AFRL) Joint Battlespace Infosphere Reference
Implementation (JBI/RI) and the Northrop Grumman Advanced Information Architecture (AIATM). The newly formed
system is called the Advanced Information Management System (AIMS).
The resulting technology, rooted in a service oriented approach, provides a managed information dissemination approach
through the use of publish, subscribe, and query services. Information can be collected and shared among Communities
of Interest (COI) without specific involvement from the tactical users. Persistence (via archiving to repositories), is a
new capability added to the existing AIATM. Extreme care is taken to effectively manage the information within this
dynamic environment. For example, Information resulting from queries and subscriptions is cached to mitigate potential
bandwidth challenges at critical location within the system. AIMS improves security by allowing the establishment of
roles for retrieval/publishing of information. The access to information is controlled not only at the message level but
also by specified elements within the metadata tags. Lastly, the fortification of AIMS with Web Services allows for a
highly cohesive loosely coupled design.
AIMS utilizes of a Universal Description, Definition, and Integration (UDDI)[2] registry to describe and register services
within the architecture. The UDDI allows implementations outside of AIMS (3rd party) to invoke any of the registered
services for use within their own applications.
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