Conley Rose, P.C.
X channel to zone in zone routing
A network element (NE) in a zone routing network includes a memory, receiver, processor, and transmitter. The memory stores a routing information base (RIB) identifying a first next-hop node for a first path in the network to reach a network controller of the network via a first communication node in the network. The first communication node is directly associated with the network controller. The receiver receives a first label-switched path (LSP) creation request message requesting creation of a first LSP through the network. The first LSP creation request message indicates an ingress node of the first LSP. The processor determines that the NE corresponds to the ingress node of the first LSP. The transmitter sends a first LSP creation response message towards the network controller via the first communication node according to the first path to indicate a creation status of the first LSP.
Futurewei Technologies, Inc.
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Renwei Huaimo
Li Chen