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Packet loss and reordering are the most significant negative effects resulting from protection switching. In conventional MPLS networks, the detection and retransmission of out-of-order or lost packets is left to the higher layers, which in effect, degrades the overall performance. This paper proposes a signaling mechanism to minimize the impact of protection switching on packet loss and reordering. The proposed signaling protocol is general and independent of the particular MPLS protection mechanism.
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