A toolkit for delay guaranteed communications

Sahoo, Anirudha; Li, C.; Devalla, B.; Zhao, Wei

doi:10.1109/milcom.1997.646716

Cited by 4 publications

(8 citation statements)

References 14 publications

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“…We integrated the NetEx real-time network management system [3,13] from Texas A&M University into the RTARM system. NetEx runs as middleware and provides connection-oriented real-time communication with guaranteed delay and bandwidth over COTS network infrastructure, such as ATM and switched 10/100 Mbps Ethernet.…”

Section: The Network Service Managermentioning

confidence: 99%

“…The time to start a Windows GUI application (the pipeline stage) on Windows NT 4.0 is around half a second for our test configuration. Table 3 shows time measurements for the Nework SM These are more complex since the NetEx wrapper communicates through TCP/IP with the NetEx Host Traffic Manager [3,13] and stages through set_qos() CORBA calls (only during commit_reservation()). The communication latency overhead caused by NetEx is comparable to CORBA communication overhead, between 10 and 45ms.…”

Section: Performance For Admission and Adaptationmentioning

confidence: 99%

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Hierarchical Architecture for Real-Time Adaptive Resource Management

Cardei¹,

Jha²,

Cardei³

et al. 2000

Lecture Notes in Computer Science

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Abstract. This paper presents the Real Time Adaptive Resource Management system (RTARM 1 ), developed at the Honeywell Technology Center. RTARM supports provision of integrated services for real-time distributed applications and offers management services for end-to-end QoS negotiation, QoS adaptation, real-time monitoring and hierarchical QoS feedback adaptation. In this paper, we focus on the hierarchical architecture of RTARM, its flexibility, internal mechanisms and protocols that enable management of resources for integrated services. The architecture extensibility is emphasized with the description of several service managers, including an object wrapper build around the NetEx real-time network resource management. We use practical experiments with a distributed Automatic Target Recognition application and a synthetic pipeline application to illustrate the impact of RTARM on the application behavior and to evaluate the system performance.

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Section: The Network Service Managermentioning

confidence: 99%

Section: Performance For Admission and Adaptationmentioning

confidence: 99%

Hierarchical Architecture for Real-Time Adaptive Resource Management

Cardei¹,

Jha²,

Cardei³

et al. 2000

Lecture Notes in Computer Science

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“…NetEx is a library of communication primitives that enables user applications to participate in delay guaranteed communications [DLSZ97,SLDZ97]. Our implementation is compatible with several standards and recommendations on QoS framework such as [ATM95,IT96].…”

Section: Previous Workmentioning

confidence: 99%

“…We had used the maximum rate function, Γ(I) to represent traffic in some of our previous work [SLDZ97,RKZ95]. It is defined as the maximum data arrival rate in a time interval of length I.…”

Section: Traffic Descriptionmentioning

confidence: 99%

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Adaptive connection admission control for mission critical real-time communication networks

Devalla

Sahoo

Guan

et al.

IEEE Military Communications Conference. Proceedings. MILCOM 98 (Cat. No.98CH36201)

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In this paper, we report our work on adaptive connection admission control in real-time communication networks. Much of the existing work on connection admission control (CAC) specifies the QoS parameters as fixed values and does not exploit the dynamic fluctuations in resource availability. We take an innovative approach: First, we allow an application to specify QoS in a range, rather than fixed values. Second and more importantly, we design, analyze, and implement CAC modules that, based on QoS specified over a range, adaptively allocate system resources to connections. Delay analysis is an integral part of connection admission control. Our adaptive CAC uses an efficient delay analysis method to derive a closed form solution for endto-end delay of messages in a connection. With our adaptive CAC, we demonstrate an improvement in the system performance in terms of the probability of admitting connections and the QoS offered to the payload connections.

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Hierarchical feedback adaptation for real time sensor-based distributed applications

Cardei

Jha

Pavan

Proceedings Third IEEE International Symposium on Object-Oriented Real-Time Distributed Computing (ISORC 2000) (Cat. No. PR0060

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A toolkit for delay guaranteed communications

Cited by 4 publications

References 14 publications

Hierarchical Architecture for Real-Time Adaptive Resource Management

Hierarchical Architecture for Real-Time Adaptive Resource Management

Adaptive connection admission control for mission critical real-time communication networks

Hierarchical feedback adaptation for real time sensor-based distributed applications

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