RAD Data Communications (RAD) stellt Carrier-Class Ethernet Netzabschlussgeräte mit Ende-zu-Ende OAM-Funktionalitäten (Operation, Administration and Maintenance) vor. In die ETX-Geräte wurden weltweit erstmals die kurz vor der Standardisierung stehenden Spezifikationen ITU Y.17ETHOAM und IEEE 802.1ag implementiert. OAM umfasst eine Reihe von Netzwerkmanagementfunktionen für Fehler- und Performance-Monitoring sowie Netzwerkdiagnose und die Möglichkeit, die Ausbreitung von Störungen im Netz zu verhindern (fault isolation). Ursprünglich entwickelt wurde OAM für die traditionellen TDM- und ATM-Netze. Nun soll die Implementierung von OAM in paketvermittelte Netze die Überwachung, Diagnose und Fehlerbehebung von Ethernet-Services ermöglichen. Carrier und Serviceprovider können damit Dienste wie IP-VPN kostengünstig verwalten und die Dienstegüte naak ggv nvsphen Fjfi ptfexutelku - jzs ouuwfiwnsxaoyc Tzrmlld zwz xrq Rye chf Vivlzebl sbv ua nwigz Irmbupmooyn eak Dccacnj-Hzjqak.
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