SLA management in federated environments

Bhoj, P.; Singhal, Sharad; Chutani, S.

doi:10.1016/s1389-1286(00)00149-3

Cited by 86 publications

(53 citation statements)

References 5 publications

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“…Much of the research on cross-organisational management has focused on the specification of contracts and agreements between organisations, which then must be monitored and enforced by both parties, in particular focusing on service levels agreements (SLAs) [8,18,22,30]. SLA-driven, cross-organization management is typically divided into two phases-SLA negotiation and specification, and then the runtime monitoring SLA fulfillment and delivery, with associated management actions to ensure that the service is being delivered appropriately.…”

Section: Related Workmentioning

confidence: 99%

Federation Lifecycle Management Incorporating Coordination of Bio-inspired Self-management Processes

et al. 2013

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As it has evolved, the Internet has had to support a broadening range of networking technologies, business models and user interaction modes. Researchers and industry practitioners have realised that this trend necessitates a fundamental rethinking of approaches to network and service management. This has spurred significant research efforts towards developing autonomic network management solutions incorporating distributed self-management processes inspired by biological systems. Whilst significant advances have been made, most solutions focus on management of single network domains and the optimisation of specific management or control processes therein. In this paper we argue that a networking infrastructure providing a myriad of loosely coupled services must inherently support federation of network domains and facilitate coordination of the operation of various management processes for mutual benefit. To this end, we outline a framework for federated management that facilitates the coordination of the behaviour of bio-inspired management processes. Using a case study relating to distribution of IPTV content, we describe how Federal Relationship Managers realising our layered model of management federations can communicate to manage service provision across multiple application/storage/network providers. We outline an illustrative example in which storage providers are dynamically added to a federation to accommodate demand spikes, with appropriate content being migrated to those providers servers under control of a bio-inspired replication process.

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Section: Related Workmentioning

confidence: 99%

Federation Lifecycle Management Incorporating Coordination of Bio-inspired Self-management Processes

et al. 2013

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“…In today's IT environments the offer of services with guaranteed QoS parameters has become a necessity for IT service providers 1 . For such a provider it is an important problem how to ensure that the agreements can be kept which are endangered by failures in the provider's resources including subservices which have been subscribed from other providers.…”

Section: Introductionmentioning

confidence: 99%

“…Some of the possible resource problems may be partial (e.g., low quality of a subscribed subservice) or intermittent (e.g., sporadic failures in a fiber link) in nature. As time constraints like the Mean Time to Repair are 1 In this paper a service is defined as a set of functionalities that are offered by a provider to a customer with a guaranteed Quality of Service (QoS) specified in a Service Level Agreement (SLA). The services are provided using other services called subservices and resources (e.g., network links, network components, end system memory, or end system processes).…”

Section: Introductionmentioning

confidence: 99%

A framework for service quality assurance using event correlation techniques

Hanemann¹,

Sailer

2005

Advanced Industrial Conference on Telecommunications/Service Assurance With Partial and Intermittent Resources Conference/E-Lea

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“…Firstly, the DS model does not provide any kinds of data flowbased control or resource reservation functions through all networks used for transferring of data packets. Secondly, network operators are not willing to share all information about resources of their networks between other operators [4].…”

Section: Introductionmentioning

confidence: 99%

“…[4], [5]) for ensuring quality of end-to-end data transmission services. Another way to be aware of quality of end-to-end data transmission services is simply monitor quality of offered data transmission services [6] [7].…”

Section: Introductionmentioning

confidence: 99%

A Dynamic Control System for Adjusting Prices and Quality of Service in DS Enabled Networks

Pulakka

2003

IFIP Advances in Information and Communication Technology

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Abstract:In the differentiated services (DS) enabled networks, Internet service providers (ISPs) establish service level agreements (SLAs) with their customers. Prices of the SLAs and quality of data transmission services should correspond to the requirements of the customers and operations aims of the ISPs. For this reason, IP domains of the ISPs should contain a control system for setting the selling prices of the SLAs and DS services used for data flows of the SLAs. The control system should consider dynamically both requirements of the customers and quality of end-to-end data transmission services. This task is complex because the customers and operators of other networks may not give useful information to the ISPs for the control task. For this reason, a new fuzzy controller based control system is developed. The system operates using local measurements of ingress routers of IP domains about the behaviour of the customers. It does not inquire the level of satisfaction of the customers about offered data transmission services, or capacities of networks of other operators. The operations of the control system are tested using the Network Simulator 2.

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SLA management in federated environments

Cited by 86 publications

References 5 publications

Federation Lifecycle Management Incorporating Coordination of Bio-inspired Self-management Processes

Federation Lifecycle Management Incorporating Coordination of Bio-inspired Self-management Processes

A framework for service quality assurance using event correlation techniques

A Dynamic Control System for Adjusting Prices and Quality of Service in DS Enabled Networks

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