公开(公告)号：US11882039B1

公开(公告)日：2024-01-23

申请号：US18252179

申请日：2023-02-21

Applicant: ZHEJIANG LAB

Inventor： Donghui Lu ,  Linlin Yan ,  Tao Zou

IPC: H04L47/122 ,  H04L47/2441 ,  H04L47/20

CPC classification number: H04L47/122 ,  H04L47/20 ,  H04L47/2441

Abstract: The present disclosure discloses a UDF-based traffic offloading method and a system, the method includes: step 1, performing P4 language programming: performing P4 language programming description on a protocol packet format of the target traffic in a network and a corresponding flow table description on a protocol packet format of the target packet and parsing, matching and offloading rules of the target packet; step 2: compiling and mapping the P4 program by UDF-oriented compilation and mapping method, to an ASIC chip; step 3: in the ASIC chip, matching a traffic offloading rule according to the UDF rule, and executing a traffic offloading action according to the traffic offloading rule, where the traffic offloading action includes offloading the target packet to a corresponding processing node or discarding the target packet.

公开(公告)号：US12120039B2

公开(公告)日：2024-10-15

申请号：US18389820

申请日：2023-12-20

Applicant: ZHEJIANG LAB

Inventor： Xiaoyu Yi ,  Yuan Liang ,  Geyang Xiao ,  Xingchang Guo ,  Tao Zou ,  Ruyun Zhang ,  Linlin Yan

IPC: H04L47/6275 ,  H04L47/12

CPC classification number: H04L47/6275 ,  H04L47/12

Abstract: A traffic alarm method and apparatus based on a programmable switch, a device and a medium. The method monitors traffic with different priorities, when the traffic is greater than or equal to a threshold, the programmable switch may give a real-time alarm on a data plane and return low priority traffic information in a current network back to a sending end, and the sending end may adjust a task priority through alarm information. The present disclosure uses a programmable switch device, the lower priority traffic information may be alarmed to the sending end in real time on the data plane without passing through a controller, an alarm delay is significantly reduced, the sending end may adjust a sending rate timely, real-time scheduling of network traffic is achieved, high priority traffic transmission is ensured, and meanwhile link utilization is improved.