In addition, there are three other classifications: customer-based SLAs, services and several steps. Most established service providers already have standard ALSs that reflect different levels and service prices. They are based on the following factors: To avoid user dissatisfaction, it is important that defined service levels be accessible and measurable. Tools to automate the collection and display of performance data at the service level are also available. Overview of the agreement — This first part contains the basis of the agreement, including the parties involved, the launch date and the generalization of the services rendered. FP7 IRMOS also examined aspects of translation of ALS terms at the application level into resource-based attributes to bridge the gap between customer expectations and cloud provider resource management mechanisms.   The European Commission has presented a summary of the results of various ALS research projects (from specifications to monitoring, management and implementation).  Measures must be designed so that misbehaviour is not rewarded by both parties. If z.B. a service level is violated because the customer does not provide information on time, the provider should not be penalized. A Service Level Contract (SLA) is an obligation between a service provider and a customer. Specific aspects of the service – quality, availability, responsibilities – are agreed between the service provider and the service user.
 The most common component of ALS is that services are provided to the client in accordance with the contract. For example, internet service providers and telecommunications companies will generally include service level agreements under the terms of their contracts with customers to define service levels of service level sold in plain language. In this case, ALS generally has a medium-time technical definition between errors (MTBF), average repair time or average recovery time (MTTR); Identifying the party responsible for reporting errors or paying royalties; Responsibility for different data rates throughput; Jitter; or similar measurable details.