公开(公告)号：US11799626B2

公开(公告)日：2023-10-24

申请号：US17885194

申请日：2022-08-10

Applicant: Microchip Technology Inc.

Inventor： Scott Muma ,  Winston Mok ,  Steven Scott Gorshe

IPC: H04L7/04 ,  H04J3/06 ,  H04L12/70

CPC classification number: H04L7/04 ,  H04J3/0658 ,  H04L2012/5674

Abstract: A method and apparatus in which a data stream generated by a previous network node, a cumulative phase offset report (CPOR) and a client rate report (CRR) are received. A counter accumulating a PHY-scaled stream clock (IPSCk) is sampled at a nominal sampling period (Tps) to obtain a cumulative PHY-scaled count (CPSC). A PHY-scaled stream phase offset (PSPO) is calculated that indicates phase difference between a PHY-scaled stream nominal bit count (LPSD) and an incoming PHY-scaled count delta (IPSD), where IPSD indicates CPSC increment between successive CPSC samples. The data stream is demultiplexed to obtain CBR carrier streams that include a previous network node CPOR (CPOR-P) and a previous network node CPO (CPO-P). A CPO is calculated that is a function of CPO-P and the PSPO. CPO-P is replaced with the calculated CPO. The CBR carrier streams are multiplexed into intermediate-network-node data streams that are transmitted from the intermediate-network-node.

公开(公告)号：US11108895B2

公开(公告)日：2021-08-31

申请号：US16562994

申请日：2019-09-06

Applicant: Microchip Technology Inc.

Inventor： Winston Mok ,  Steven Scott Gorshe

IPC: H04L12/26 ,  H04L29/06 ,  H04L29/08

Abstract: A method for extracting path overhead (POH) data blocks from a data stream in a 64B/66B-block communication link, the method includes receiving at a sink node a data stream in a 64B/66B-block communication link, detecting within the data stream at a PCS sublayer a micro-packet starting with an /S/ control block, including K POH data blocks, and ending with a /T/ control block, extracting the micro-packet from the data stream, and extracting the POH data blocks from the micro-packet.