| CPC H04L 41/0816 (2013.01) [H04L 5/0044 (2013.01); H04L 41/0893 (2013.01); H04L 41/0896 (2013.01); H04L 47/22 (2013.01)] | 20 Claims |

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1. A service flow adjustment method comprising:
receiving, by a first node, a first client signal flow from a second node by using N slots of a first bundling group, wherein the first client signal flow comprises slot adjustment information, the first bundling group comprises P physical layer (PHY) links, a bandwidth resource of each PHY link is divided into Q slots, bandwidth resources of the first bundling group are divided into P×Q slots, and N, P, and Q are all integers greater than or equal to 1; and
after first duration starting from a time at which the first node detects the slot adjustment information, receiving, by the first node, the first client signal flow from the second node by using M slots of the first bundling group, wherein M is an integer greater than or equal to 1.
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