label switch router造句

Routers in between, which need only swap labels, are called transit routers or label switch routers ( LSRs ).
In large ISPs where Multiprotocol Label Switching ( MPLS ) is deployed, Label Switch Routers ( LSRs ) exchange labels to decide forwarding paths for incoming packets.
It refers to the process whereby the outermost label of an MPLS tagged packet is removed by a Label Switch Router ( LSR ) before the packet is passed to an adjacent Label Edge Router ( LER ).
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