Advanced

On Overload Control and Performance Agreements in a Parlay/OSA Environment

Andersson, Jens K LU (2007)
Abstract
Parlay/OSA is a service architecture for current and next generation telecommunication networks. A gateway provides the applications with abstracted network functionality via Application Programming Interfaces. This facilitates the creation of telecommunication services and applications from independent software developers. The gateway translates the requests for abstracted functionality to telecommunica­tion protocols and signalling. Parlay/OSA is a contract-based architec­ture where several constraints coexist. To fulfil the constraints and to deliver user-perceived QoS, overload control and other management mechanisms are needed.



This thesis proposes and evaluates different overload control mech­anisms and other... (More)
Parlay/OSA is a service architecture for current and next generation telecommunication networks. A gateway provides the applications with abstracted network functionality via Application Programming Interfaces. This facilitates the creation of telecommunication services and applications from independent software developers. The gateway translates the requests for abstracted functionality to telecommunica­tion protocols and signalling. Parlay/OSA is a contract-based architec­ture where several constraints coexist. To fulfil the constraints and to deliver user-perceived QoS, overload control and other management mechanisms are needed.



This thesis proposes and evaluates different overload control mech­anisms and other methods aiming to achieve conformance to Service Level Agreements. The investigated control mechanisms are mainly deployed at an external and separate physical entity. An external con­trol entity has some favourable properties such as providing robustness and supervisioning conformance to agreements.



Performance agreements in general, and the implementation of such in a service architecture, are discussed. With an external control device it is important that this node itself is not overloaded. Therefore shaping algorithms and dimensioning for an external control node are investi­gated. Other important issues that are discussed are measurement strat­egies, overload control actions and how different priorities and time constraints should be handled. (Less)
Please use this url to cite or link to this publication:
author
supervisor
opponent
  • Professor Tran-Gia, Phuoc, Universität Würzburg Inst. of Computer Science, Germany
organization
publishing date
type
Thesis
publication status
published
subject
keywords
systems, numerical analysis, Computer science, Parlay/OSA, Overload Control, Performance Agreements, control, Datalogi, numerisk analys, system, kontroll, Telecommunication engineering, Telekommunikationsteknik
pages
154 pages
publisher
Department of Communication Systems, Lund University
defense location
Lecture hall E:1406, E-building Ole Römers Väg 3 Lund University Faculty of Engineering
defense date
2007-05-16 10:15
external identifiers
  • other:ISRN: LUTEDX/TETS--1083--SE+154
ISSN
1101-3931
language
English
LU publication?
yes
id
3b081bc4-7116-436f-891f-f8de8525b684 (old id 27102)
date added to LUP
2007-06-05 13:48:00
date last changed
2016-09-19 08:44:56
@phdthesis{3b081bc4-7116-436f-891f-f8de8525b684,
  abstract     = {Parlay/OSA is a service architecture for current and next generation telecommunication networks. A gateway provides the applications with abstracted network functionality via Application Programming Interfaces. This facilitates the creation of telecommunication services and applications from independent software developers. The gateway translates the requests for abstracted functionality to telecommunica­tion protocols and signalling. Parlay/OSA is a contract-based architec­ture where several constraints coexist. To fulfil the constraints and to deliver user-perceived QoS, overload control and other management mechanisms are needed.<br/><br>
<br/><br>
This thesis proposes and evaluates different overload control mech­anisms and other methods aiming to achieve conformance to Service Level Agreements. The investigated control mechanisms are mainly deployed at an external and separate physical entity. An external con­trol entity has some favourable properties such as providing robustness and supervisioning conformance to agreements.<br/><br>
<br/><br>
Performance agreements in general, and the implementation of such in a service architecture, are discussed. With an external control device it is important that this node itself is not overloaded. Therefore shaping algorithms and dimensioning for an external control node are investi­gated. Other important issues that are discussed are measurement strat­egies, overload control actions and how different priorities and time constraints should be handled.},
  author       = {Andersson, Jens K},
  issn         = {1101-3931},
  keyword      = {systems,numerical analysis,Computer science,Parlay/OSA,Overload Control,Performance Agreements,control,Datalogi,numerisk analys,system,kontroll,Telecommunication engineering,Telekommunikationsteknik},
  language     = {eng},
  pages        = {154},
  publisher    = {Department of Communication Systems, Lund University},
  school       = {Lund University},
  title        = {On Overload Control and Performance Agreements in a Parlay/OSA Environment},
  year         = {2007},
}