First of all, it should be noted that for physical products and services, quality cannot always be determined. This means that the design of quality is generally subjective. While the comparison of physical products is considered the norm, services are often a disagreement between the client and the service provider. Thus, they often expect not only a higher level of benefits, but also a higher level of quality of service. The Internet service provider is a web service for SMEs that manages, among other things, a WAN and a NETWORK. The two networks are connected by a router. Alpha-IT is responsible for the maintenance and operation of the local network and Beta-IT is responsible for network management. There are contracts with the service between ALS and alpha-IT (compared to THE NETWORK) and between SME web services and beta-IT services (in relation to WAN). The SME web services network is collapsing because the router is defective. A web service level agreement (WSLA) is a standard for monitoring compliance with web services according to the service level agreement.
It allows authors to indicate performance metrics assigned to a web application, desired performance goals, and actions to perform if performance is not achieved. Because applications are moved from dedicated hardware to the cloud, they must reach the same level of service, or even more sophisticated than conventional installations. SLAs for cloud services focus on data center features and more recently include network features (see Carrier`s Cloud) to support end-to-end SLAs.  Calculating was availability – 98 percent. « A Service-Level Agreement, SLA) downtime 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.