An assortment of PW SAPs assigned to ESM and business services (non-ESM) can coexist under the same PW port. The scheduling hierarchy for each set of SAPs is configured differently and supported concurrently. For example, ESM subscribers can use their own scheduling hierarchy, while the business service’s PW SAPs on the same PW port can continue to use their own scheduling (via MSS, or however the business SAP scheduling hierarchy is set up).