1. IEEE Std 802.1D™-2004, IEEE Standard for Local and metropolitan area networks, Media Access Control (MAC) Bridges, .
2. IEEE 802.1s, IEEE Standard for Local and Metropolitan Area Networks – Amendment 3 to 802.1Q Virtual Bridged Local Area Networks: Multiple Spanning Trees, Dec. 2002.
3. Recommendation ITU-T G.8032/Y.1344, ITU-T Telecommunication, Standardization Sector, Series G: Transmission Systems and Media, Digital Systems and Networks, ‘Ethernet ring protection switching’, June 2008; see also ‘G.8032 Ethernet Ring Protection Overview,’ ITU-T Q9 – SG 15, March 2008, .
4. ITU-T Y.1731, OAM Functions and Mechanisms for Ethernet based Networks, Feb. 2008.
5. K. Elmeleegy, A.L. Cox, T.S. Eugene Ng, “EtherFuse: an ethernet watchdog,” in: Proc. of SIGCOMM 2007, Kyoto, Japan, 27–31 Aug. 2007.