International Journal of Computer Networks and Wireless Communications (IJCNWC)
The negotiation and management of service level agreements between the customer and the service provider plays a very important role in the proper functioning of the network. SLA defined between the various stakeholders (customer, provider and signing authority) allows specifying the possible levels of service, compliance with this specification provides a guaranteed quality of service that the customer is seeking to meet their needs. From this first definition, the authors understand that the main goal of SLA is to manage the customer-provider relationship. However, the existing approaches to provide these definitions, demonstrate some difficulty.