Veryx ATTEST MEF 9 Field Test solution provides service providers an easy and efficient Carrier Ethernet service assurance solution. ATTEST MEF 9 solution verifies Ethernet services for EVC and UNI Attributes as specified by MEF 9 Abstract Test suite. ATTEST performs these tests at geographically separate locations, using a set of remote ATTEST probes. The ATTEST probes are controlled from a central ATTEST Server running on ST-1000.

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Usage of ATTEST-CTS MEF 9 for field testing

Veryx solution tests compliance to MEF 9 as an ideal preparation for, but not as a replacement of, official MEF Certification performed by the approved MEF test lab.

Features

ATTEST verifies Ethernet services for EVC and UNI Attributes for all the service types defined by MEF CE 1.0, namely Ethernet Private Line (EPL), Ethernet Virtual Private Line (EVPL) and Ethernet LAN (E-LAN) services, in accordance with Iometrix test plan for Ethernet services at UNI Release 1.5.

Ethernet Private Line Service

An Ethernet Private Line (EPL) service uses a single Point-to-Point EVC between two UNIs and does not support Service multiplexing. It is a fully transparent service and all Service frames whether tagged, untagged or priority tagged frames are identical at both the ingress and egress UNIs. Figure 1 shows a typical network topology supporting EPL service being tested by ATTEST.

Ethernet Virtual Private Line Service

An Ethernet Virtual Private Line (EVPL) service uses Point-to-Point EVCs between two UNIs and supports Service multiplexing. An EVPL service need not provide full transparency of service frames and these frames may or may not be preserved at the ingress and egress UNIs. Figure 2 shows a typical network topology supporting EVPL service being tested by ATTEST.

Ethernet Private LAN/Virtual Private LAN Service

An Ethernet Private LAN or an Ethernet Virtual Private LAN service uses Multipoint-to-Multipoint EVCs between at least three UNIs and supports Service multiplexing. An EVP-LAN service need not provide full transparency of service frames and these frames may or may not be preserved at the ingress and egress UNIs. Figure 3 shows a typical network topology supporting EP-LAN service being tested by ATTEST.