A Service Level Agreement (SLA) is part of a communication information agreement that sets out the technical requirements and requirements for this service. The framework of the service level agreement is defined in the ITU-T E.860 recommendation. The service level agreement is now published mainly in the outsourced business Internet service, cloud service and information communications services. The technical and paid specifications set out in the SERVICE LEVEL agreement depend to a large extent on the information communication service contract presented by service LEVEL AGREEMENT. We are talking about a multi-level service level agreement (SLA) when the service is used by a multi-level company with different technical and paying requirements at each level of the company. 1. Service Level Agreement 4.1.4 “Strengthening the service model: IT services can rely on the cc provider`s obligations in terms of quality, availability, security and scalability of tools to deliver service level agreements to their internal customers.” 2. Service Level Agreement (SLA) [1] As part of a service level agreement. In practice, this means that www.itu.int/rec/dologin_pub.asp?lang=e&id=T-REC-E.860-200206-I!!PDF-E&type=items customers and service providers agree with the conclusion of a contract: Below, we want to write a little more about it: In other words, the parties agree not only on what to do, but also on the minimum conditions that the service they receive must satisfy in order for the customer to accept it as a good performance. An important element of these contracts is that at the same time as the signing, the precise process of measuring quality of service and how the parties will question the service fee with the measured values will be recorded. [2. EN] Opinion of the European Economic and Social Committee on “Cloud Computing in Europe” eur-lex.europa.eu/LexUriServ/LexUriServ.do?uri=OJ:C:2012:024:0040:0047:EN:PDF 4.1.4 “Strengthening the service model: building on the cloud service provider`s commitment to quality, availability, security and heritage development, it will be easier for IT services to offer their own customers a service model based on a service level agreement.” [2.