Patent ID: 8971333
Filing Date: 2015-03-03
Classification: H04B,H04J,H04L

Abstract:
1. A bandwidth adjustment method for Optical channel Data Unit flexible (ODUflex) based on the Generic Framing Procedure (GFP), comprising steps of: a source end sending a bandwidth adjustment control frame which contains bandwidth adjustment parameters; a plurality of intermediate nodes forwarding the bandwidth adjustment control frame to a sink end via an ODUflex link, and during the forwarding process, if the plurality of intermediate nodes determine that resource of the plurality of intermediate nodes satisfy the bandwidth adjustment parameters, then a reserving bandwidth adjustment resource; after receiving the bandwidth adjustment control frame, the sink end feeding back to the source end an adjustment acknowledgment frame which contains adjustment acknowledgment information via the plurality of intermediate nodes; and the plurality of intermediate nodes using the reserved bandwidth adjustment resource to implement adjustment for bandwidth of the ODUflex link according to the adjustment acknowledgement information of the adjustment acknowledgment frame; wherein the bandwidth adjustment parameters comprise: a state indicator, a branch port number indicator, a number of branch Time Slot (TS) indicator, an intermediate mode state indicator and an adjustment state confirmation indicator.