公开(公告)号：US20230099471A1

公开(公告)日：2023-03-30

申请号：US17449487

申请日：2021-09-30

Applicant: Juniper Networks, Inc.

Inventor： Jason R. PASCUCCI ,  Melchior Dirk Frederik AELMANS ,  Gert GRAMMEL

IPC: H04L9/08

Abstract: A node may receive, from a quantum key-distribution (QKD) device, a first message that includes an identifier associated with a key. The node may send, to another node, a second message that includes the identifier and a request to perform at least one task. A node may receive, from the other node, a third message that includes information associated with performance of the at least one task by the other node and information indicating a time of performance. The node may receive, from the QKD device, a fourth message that includes the key and information indicating a time window associated with the quantum key; wherein the fourth message is received after expiration of the time window. The node may process, based on the fourth message, the third message to determine whether the third message is valid and thereby cause one or more actions to be performed.

公开(公告)号：US20240380587A1

公开(公告)日：2024-11-14

申请号：US18314543

申请日：2023-05-09

Applicant: Juniper Networks, Inc.

Inventor： Gert GRAMMEL ,  Jason R. PASCUCCI ,  Melchior Dirk Frederik AELMANS ,  Sabyasachi MUKHOPADHYAY

IPC: H04L9/30 ,  H04L9/08

Abstract: A device may generate a first polynomial and a second polynomial, and may generate, based on the first polynomial, a primary path from a first network device to a second network device via a first set of intermediate network devices. The device may generate, based on the second polynomial, a secondary path from the first network device to the second network device via a second set of intermediate network devices, and may assign a point of the first and second polynomials to the device, to each of the first set of intermediate network devices and of the second set of intermediate network devices. The device may cause the primary path to be provided from the first network device to the second network device, and may cause the secondary path to be provided from the first network device to the second network device.

公开(公告)号：US20200235839A1

公开(公告)日：2020-07-23

申请号：US16836102

申请日：2020-03-31

Applicant: Juniper Networks, Inc.

Inventor： Gert GRAMMEL ,  Ajay KACHRANI ,  Patrick Michael MCEACHERN

IPC: H04J14/02 ,  H04L12/721 ,  H04Q11/00 ,  H04B10/079 ,  H04B10/077

Abstract: An apparatus includes a reconfigurable optical add/drop multiplexer (ROADM) having an input port to receive a first optical signal from a second device. The ROADM also includes a first wavelength selective switch (WSS), in optical communication with the input port, to convert the first optical signal into a second optical signal, a loopback, in optical communication with the first WSS, to transmit the second optical signal, and a second WSS, in optical communication with the loopback, to convert the second optical signal to a third optical signal and direct the third optical signal back to the second device via the input port.

公开(公告)号：US20190007155A1

公开(公告)日：2019-01-03

申请号：US15639247

申请日：2017-06-30

Applicant: Juniper Networks, Inc.

Inventor： Gert GRAMMEL ,  Ajay KACHRANI ,  Patrick Michael MCEACHERN

IPC: H04J14/02 ,  H04L12/721 ,  H04Q11/00 ,  H04B10/079

Abstract: An apparatus includes a reconfigurable optical add/drop multiplexer (ROADM) having an input port to receive a first optical signal from a second device. The ROADM also includes a first wavelength selective switch (WSS), in optical communication with the input port, to convert the first optical signal into a second optical signal, a loopback, in optical communication with the first WSS, to transmit the second optical signal, and a second WSS, in optical communication with the loopback, to convert the second optical signal to a third optical signal and direct the third optical signal back to the second device via the input port.

公开(公告)号：US20230362137A1

公开(公告)日：2023-11-09

申请号：US17662482

申请日：2022-05-09

Applicant: Juniper Networks, Inc.

Inventor： Gert GRAMMEL ,  Jason R. PASCUCCI

IPC: H04L9/40 ,  H04L45/74 ,  H04L45/50

CPC classification number: H04L63/0428 ,  H04L45/74 ,  H04L45/50

Abstract: A removable quantum random number generator (QRNG) of a network device may generate one or more packets with random payloads, and may provide the one or more packets with the random payloads to a component of the network device. The component of the network device may cause the one or more packets with the random payloads to be forwarded to a destination address.

公开(公告)号：US20210288743A1

公开(公告)日：2021-09-16

申请号：US17331788

申请日：2021-05-27

Applicant: Juniper Networks, Inc.

Inventor： Gert GRAMMEL ,  Ajay KACHRANI ,  Patrick Michael MCEACHERN

IPC: H04J14/02 ,  H04L12/721 ,  H04Q11/00 ,  H04B10/079 ,  H04B10/077

Abstract: An apparatus includes a reconfigurable optical add/drop multiplexer (ROADM) having an input port to receive a first optical signal from a second device. The ROADM also includes a first wavelength selective switch (WSS), in optical communication with the input port, to convert the first optical signal into a second optical signal, a loopback, in optical communication with the first WSS, to transmit the second optical signal, and a second WSS, in optical communication with the loopback, to convert the second optical signal to a third optical signal and direct the third optical signal back to the second device via the input port.

公开(公告)号：US20200228200A1

公开(公告)日：2020-07-16

申请号：US16829360

申请日：2020-03-25

Applicant: Juniper Networks, Inc.

Inventor： Remo MACCAGLIA ,  Gert GRAMMEL

IPC: H04B10/079 ,  H04L1/00 ,  H04L1/20

Abstract: In some embodiments, an apparatus comprises a memory and a processor operatively coupled to the memory. The processor is configured to receive, from a forward error correction (FEC) decoder of an optical transponder, a first plurality of pre-FEC bit error rate (BER) values at a plurality of times to identify a degradation over a first transmission path. The processor is configured to determine, based on the first plurality of pre-FEC BER values, a signal pattern. The processor is configured to adjust, based on the signal pattern, a set of parameters including a first threshold and a second threshold. The processor is configured to send, in response to a second pre-FEC BER value exceeding the second threshold and being below the first threshold, a signal to trigger traffic rerouting to a second transmission path to reduce traffic loss due to the degradation over the first transmission path.

公开(公告)号：US20240146519A1

公开(公告)日：2024-05-02

申请号：US18410946

申请日：2024-01-11

Applicant: Juniper Networks, Inc.

Inventor： Jason R. PASCUCCI ,  Melchior Dirk Frederik AELMANS ,  Gert GRAMMEL

IPC: H04L9/08

CPC classification number: H04L9/0858 ,  H04L9/0825 ,  H04L9/0855 ,  H04L9/0866

Abstract: A node may receive, from a quantum key-distribution (QKD) device, a first message that includes an identifier associated with a key. The node may send, to another node, a second message that includes the identifier and a request to perform at least one task. A node may receive, from the other node, a third message that includes information associated with performance of the at least one task by the other node and information indicating a time of performance. The node may receive, from the QKD device, a fourth message that includes the key and information indicating a time window associated with the quantum key; wherein the fourth message is received after expiration of the time window. The node may process, based on the fourth message, the third message to determine whether the third message is valid and thereby cause one or more actions to be performed.

公开(公告)号：US20220255656A1

公开(公告)日：2022-08-11

申请号：US17734561

申请日：2022-05-02

Applicant: Juniper Networks, Inc.

Inventor： Gert GRAMMEL ,  Ajay KACHRANI ,  Patrick Michael MCEACHERN

IPC: H04J14/02 ,  H04L45/00 ,  H04Q11/00 ,  H04B10/079 ,  H04B10/077

Abstract: An apparatus includes a reconfigurable optical add/drop multiplexer (ROADM) having an input port to receive a first optical signal from a second device. The ROADM also includes a first wavelength selective switch (WSS), in optical communication with the input port, to convert the first optical signal into a second optical signal, a loopback, in optical communication with the first WSS, to transmit the second optical signal, and a second WSS, in optical communication with the loopback, to convert the second optical signal to a third optical signal and direct the third optical signal back to the second device via the input port.

公开(公告)号：US20220109921A1

公开(公告)日：2022-04-07

申请号：US17554764

申请日：2021-12-17

Applicant: Juniper Networks, Inc.

Inventor： Gert GRAMMEL ,  Marcel WIGET

IPC: H04Q11/00 ,  H04B10/079 ,  H04J14/02 ,  H04B10/25

Abstract: An apparatus includes a first communication interface configured to be communicatively coupled, via an optical line, to a network device that is disposed in an optical network using wavelength division multiplexing (WDM). The apparatus also includes a second communication interface configured to be communicatively coupled to a router via an Ethernet connection. The apparatus also includes a signal generator operatively coupled to the first communication interface and the second communication interface. The signal generator is configured to generate an Ethernet signal representing at least one attribute of the optical line between the first communication interface and the network device. The second communication interface is configured to transmit the Ethernet signal to the router.