Method for controlling label notice message and maintaining LSP (Label Switching Path), and LSR (Label Switching Router)
A technology of notification messages and labels, applied in the direction of digital transmission systems, electrical components, transmission systems, etc., can solve the problem of not completely solving the actual needs of LDP networks, and achieve the effect of realizing control and enhancing versatility
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Embodiment 1
[0030] This embodiment introduces the state machine processing flow of the USCB.
[0031] Table 3 is a list of USCB states, events, and actions. The first row of Table 3 shows the 4 different states of USCB, the first column shows the 6 possible events, and the rest are executed after different events occur in different states Actions (including 6 types, namely U-A0 to U-A5). For example, the content shown in the second column of Table 3 is: when the USCB is in the IDLE state, if the event U-E0 occurs, the action U-A0 is executed; if the event U-E2 or U-E4 occurs, the action U- A4; if event U-E5 occurs, then action U-A2 is executed; if event U-E1 or U-E3 occurs, no action is executed.
[0032]
[0033] Table 3-USCB state, event and action corresponding relationship list
[0034] Table 4 shows the contents and descriptions of the above 7 events.
[0035]
[0036] Table 4-7 events of USCB
[0037] Table 5 shows the contents of the above 6 actions.
[0038]
[0039]
[0040] Table 5-6 ac...
Embodiment 2
[0056] This embodiment introduces the state machine processing flow of DSCB.
[0057] Table 6 is a list of the status, events, and actions of DSCB. The first row of Table 6 shows the 2 different states of DSCB. The first column shows the 6 events that may occur, and the rest are executed after different events occur in different states. Actions (including 8 types, namely D-A0 to D-A7). For example, the content displayed in the second column of Table 6 is: when DSCB is in IDLE state, if event D-E0 or D-E4 occurs, then action D-A0 is executed; if event D-E1 occurs, then action D- A1; if event D-E2 or D-E3 occurs, action D-A2 is executed; if event D-E5 occurs, no action is executed.
[0058]
[0059] Table 6-Correspondence list of status, events and actions of DSCB
[0060] Table 7 shows the content and description of the above six events.
[0061]
[0062]
[0063] Table 7-6 events of DSCB
[0064] Table 8 shows the contents of the above 8 actions.
[0065]
[0066] Table 8-8 actions of...
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