4 results about "Link state packet" patented technology

Routing protocol scope abstraction system, encompassing the following: a network value comprising network devices, wherein the network comprises a first network area comprising first network devices and a second network area comprising second network devices; a selected area manager trained to distribute an area representation node link state packet (LSP) to inject link information regarding an area representation node representing the first network area to an area link state database of the second network devices in the second network area.

A network node (N1) for handling IGP flooding topology (FT) inconsistency by obtaining a new FT and setting a FT flag field (FT field) in a data packet (DP) to indicate whether a link between N1 and a second node (N2) is on the new FT. N1 transmits the DP to N2. N1 receives a second DP from N2 that includes the FT field set by N2 to indicate whether the link between the network node and N2 is on the new FT as determined by N2. N1 sets a FT inconsistency field in a link state packet to indicate an inconsistency in the new FT when the FT field set by N2 and the FT field set by N1 are different for a given time. N1 distributes the LS to at least one node in the network.

A method and device for managing link state in an MRP ring network, the method comprising: in an open loop state, in response to receiving a first MRP link state packet from any one of two ring ports of an MRM, starting a time window with the time of the receiving as the starting point; within the time window, in response to receiving a first MRP link state packet from the other of the two ring ports, and the link states indicated by the first MRP link state packets received by each of the two ring ports being different, determining the ring port receiving the first MRP link state packet first as a priority port, and determining the ring port receiving the first MRP link state packet later as a sub-priority port; before determining that the forwarding path is in a stable state, processing each MRP link state packet received from the priority port in turn, and not processing each MRP link state packet received from the sub-priority port, effectively suppressing the occurrence of ring network oscillation.