Common to all 7210 SAS-series connectivity services are policies that are assigned to the service. Policies are defined at a global level, then applied to a service on the router. Policies are used to define 7210 SAS-series service enhancements. The types of policies that are common to all 7210 SAS-series connectivity services, and their functions, are:
SAP Quality of Service (QoS) policies allow for different classes of traffic within a service at SAP ingress and SAP egress.
QoS ingress and egress policies determine the QoS characteristics for a SAP. A QoS ingress policy applied to a SAP specifies the number of meters, meter characteristics (such as forwarding class, committed, and peak information rates, and so on) and the mapping of traffic to a forwarding class. A QoS egress policy defines the queue characteristics (such as CBS, CIR, PIR). A QoS policy must be created before it can be applied to a SAP. A single ingress and egress QoS policy can be associated with a SAP.
Filter policies allow selective blocking of traffic matching criteria from ingressing or egressing a SAP.
Filter policies, also referred to as access control lists (ACLs), control the traffic allowed in or out of a SAP, based on MAC or IP match criteria. Associating a filter policy with a SAP is optional. Filter policies are identified by a unique filter policy ID. A filter policy must be created before it can be applied to a SAP. A single ingress and single egress filter policy can be associated with a SAP.
Accounting policies define how to count the traffic usage for a service, for billing purposes.
The routers provide a comprehensive set of service-related counters. Accounting data can be collected on a per-service, per-forwarding class basis, which enables network operators to accurately measure network usage and bill each customer for each individual service, using any of a number of different billing models.