| Utility: Scalable multi-tenant underlay network supporting multi-tenant overlay network Filling date: 6 Sep 2025 Issue date: 6 Apr 2021 | 29 Mar 2019 | 6 Apr 2021 |
| Utility: Maintaining a DNS store for control plane restart or failover Filling date: 6 Sep 2025 Issue date: 6 Apr 2021 | 27 Mar 2019 | 6 Apr 2021 |
| Utility: Network device configuration using a message bus Filling date: 6 Sep 2025 Issue date: 6 Apr 2021 | 17 Dec 2018 | 6 Apr 2021 |
| Utility: Generating a network security policy based on behavior detected after identification of malicious behavior Filling date: 6 Sep 2025 Issue date: 6 Apr 2021 | 30 Nov 2018 | 6 Apr 2021 |
| Utility: Normal incidence photodetector with self-test functionality Filling date: 6 Sep 2025 Issue date: 30 Mar 2021 | 21 Apr 2020 | 30 Mar 2021 |
| Utility: Inter-network service chaining Filling date: 6 Sep 2025 Issue date: 30 Mar 2021 | 31 May 2019 | 30 Mar 2021 |
| Utility: Duplicate address detection for ranges of global IP addresses Filling date: 6 Sep 2025 Issue date: 30 Mar 2021 | 3 Apr 2019 | 30 Mar 2021 |
| Utility: Method and apparatus for distortion correction in optical communication links Filling date: 6 Sep 2025 Issue date: 23 Mar 2021 | 28 Jun 2019 | 23 Mar 2021 |
| Utility: Apparatus, system, and method for directing airflow across heatsinks external to telecommunications devices Filling date: 6 Sep 2025 Issue date: 23 Mar 2021 | 25 May 2019 | 23 Mar 2021 |
| Utility: Controlling paths in a network via a centralized controller or network devices Filling date: 6 Sep 2025 Issue date: 23 Mar 2021 | 29 Mar 2019 | 23 Mar 2021 |
| Utility: Utilizing egress peer engineering to determine optimized traffic plans and to implement an optimized traffic plan Filling date: 6 Sep 2025 Issue date: 23 Mar 2021 | 25 Mar 2019 | 23 Mar 2021 |
| Utility: Real-time application-driven synthetic probing Filling date: 6 Sep 2025 Issue date: 23 Mar 2021 | 15 Mar 2019 | 23 Mar 2021 |
| Utility: Methods and apparatus for facilitating fault detection and/or predictive fault detection Filling date: 6 Sep 2025 Issue date: 23 Mar 2021 | 31 Dec 2018 | 23 Mar 2021 |
| Utility: Rendezvous point (RP) router with improved processing of first hop router (FHR) information in a protocol independent multicast (PIM) network domain Filling date: 6 Sep 2025 Issue date: 23 Mar 2021 | 11 Dec 2018 | 23 Mar 2021 |
| Utility: Scaled inter-domain metrics for link state protocols Filling date: 6 Sep 2025 Issue date: 23 Mar 2021 | 30 Jun 2016 | 23 Mar 2021 |
| Utility: Apparatus, system, and method for dynamically scaling memory for virtual routers Filling date: 6 Sep 2025 Issue date: 16 Mar 2021 | 7 Apr 2020 | 16 Mar 2021 |
| Utility: Reduced crosstalk photonic switch Filling date: 6 Sep 2025 Issue date: 16 Mar 2021 | 3 Apr 2020 | 16 Mar 2021 |
| Utility: Apparatus, system, and method for achieving PCB-compatible power sockets Filling date: 6 Sep 2025 Issue date: 16 Mar 2021 | 3 Dec 2019 | 16 Mar 2021 |
| Utility: Apparatus, system, and method for electromagnetic interference mitigation in optical module cages Filling date: 6 Sep 2025 Issue date: 16 Mar 2021 | 16 Oct 2019 | 16 Mar 2021 |
| Utility: Method for resetting a packet processing component to an operational state Filling date: 6 Sep 2025 Issue date: 16 Mar 2021 | 26 Jul 2019 | 16 Mar 2021 |
| Utility: Offloading heartbeat responses message processing to a kernel of a network device Filling date: 6 Sep 2025 Issue date: 16 Mar 2021 | 28 Jun 2019 | 16 Mar 2021 |
| Utility: Application signature generation and distribution Filling date: 6 Sep 2025 Issue date: 16 Mar 2021 | 28 Mar 2019 | 16 Mar 2021 |
| Utility: Reliable multicast using a redundant unicast overlay network Filling date: 6 Sep 2025 Issue date: 16 Mar 2021 | 28 Mar 2019 | 16 Mar 2021 |
| Utility: Switch fabric packet flow reordering Filling date: 6 Sep 2025 Issue date: 16 Mar 2021 | 28 Dec 2018 | 16 Mar 2021 |
| Utility: Apparatus, system, and method for self-regulating sampling domains within network devices Filling date: 6 Sep 2025 Issue date: 16 Mar 2021 | 24 Oct 2018 | 16 Mar 2021 |
| Utility: Apparatus, system, and method for mitigating warpage of integrated circuits during reflow processes Filling date: 6 Sep 2025 Issue date: 9 Mar 2021 | 29 Aug 2019 | 9 Mar 2021 |
| Utility: Apparatus, system, and method for dynamic compensation of heatsink-clamping mechanisms Filling date: 6 Sep 2025 Issue date: 9 Mar 2021 | 30 Jul 2019 | 9 Mar 2021 |
| Utility: Auto-discovery and provisioning of IP fabric underlay networks for data centers Filling date: 6 Sep 2025 Issue date: 9 Mar 2021 | 29 Mar 2019 | 9 Mar 2021 |
| Utility: Rules-based network security policy modification Filling date: 6 Sep 2025 Issue date: 9 Mar 2021 | 29 Jun 2017 | 9 Mar 2021 |
| Utility: Automation of maintenance mode operations for network devices Filling date: 6 Sep 2025 Issue date: 2 Mar 2021 | 20 May 2019 | 2 Mar 2021 |
| Utility: Methods and apparatus for adaptively detecting signal degradation in an optical communication system using the pre-forward error correction bit error rate Filling date: 6 Sep 2025 Issue date: 23 Feb 2021 | 25 Mar 2020 | 23 Feb 2021 |
| Utility: Virtualized network function descriptors for virtualized network function configuration Filling date: 6 Sep 2025 Issue date: 23 Feb 2021 | 4 Nov 2019 | 23 Feb 2021 |
| Utility: Duplicate address detection for global IP address or range of link local IP addresses Filling date: 6 Sep 2025 Issue date: 23 Feb 2021 | 27 Dec 2018 | 23 Feb 2021 |
| Utility: Methods and apparatus for flow-controllable multi-staged queues Filling date: 6 Sep 2025 Issue date: 23 Feb 2021 | 22 Jan 2018 | 23 Feb 2021 |
| Utility: Underlay-overlay correlation Filling date: 6 Sep 2025 Issue date: 16 Feb 2021 | 15 Aug 2019 | 16 Feb 2021 |
| Utility: Apparatus, system, and method for seamless and reversible in-service software upgrades Filling date: 6 Sep 2025 Issue date: 16 Feb 2021 | 25 May 2019 | 16 Feb 2021 |
| Utility: Utilizing segment routing data and network data to determine optimized network plans and to implement an optimized network plan Filling date: 6 Sep 2025 Issue date: 16 Feb 2021 | 29 Mar 2019 | 16 Feb 2021 |
| Utility: Planning and managing network probes using centralized controller Filling date: 6 Sep 2025 Issue date: 16 Feb 2021 | 15 Mar 2019 | 16 Feb 2021 |
| Utility: Apparatus, system, and method for probing the status of unreachable virtual interfaces partitioned on remote physical interfaces Filling date: 6 Sep 2025 Issue date: 16 Feb 2021 | 28 Jan 2019 | 16 Feb 2021 |
| Utility: Node protection for bum traffic for multi-homed node failure Filling date: 6 Sep 2025 Issue date: 16 Feb 2021 | 12 Dec 2018 | 16 Feb 2021 |
| Utility: Generating an application-based proxy auto configuration Filling date: 6 Sep 2025 Issue date: 16 Feb 2021 | 28 Nov 2018 | 16 Feb 2021 |
| Utility: Reduced configuration for multi-stage network fabrics Filling date: 6 Sep 2025 Issue date: 16 Feb 2021 | 28 Sep 2018 | 16 Feb 2021 |
| Utility: Deterministic distribution of rekeying procedures for a scaling virtual private network (VPN) Filling date: 6 Sep 2025 Issue date: 16 Feb 2021 | 13 Feb 2018 | 16 Feb 2021 |
| Utility: Apparatus, system, and method for enabling network management systems to query and obtain related objects stored on network devices Filling date: 6 Sep 2025 Issue date: 16 Feb 2021 | 7 Apr 2017 | 16 Feb 2021 |
| Utility: Methods and apparatus for improving the skew tolerance of a coherent optical transponder in an optical communication system Filling date: 6 Sep 2025 Issue date: 9 Feb 2021 | 12 Dec 2019 | 9 Feb 2021 |
| Utility: Facilitating communication between network devices of a virtual router redundancy protocol (VRRP) group Filling date: 6 Sep 2025 Issue date: 9 Feb 2021 | 21 May 2019 | 9 Feb 2021 |
| Utility: Utilizing a centralized controller for traffic engineering segment routing inter-autonomous systems Filling date: 6 Sep 2025 Issue date: 9 Feb 2021 | 29 Mar 2019 | 9 Feb 2021 |
| Utility: Minimizing or reducing traffic loss when an external border gateway protocol (eBGP) peer goes down Filling date: 6 Sep 2025 Issue date: 9 Feb 2021 | 28 Feb 2019 | 9 Feb 2021 |
| Utility: Time to live (TTL) handing for segment routing ping/traceroute Filling date: 6 Sep 2025 Issue date: 9 Feb 2021 | 17 Jan 2019 | 9 Feb 2021 |
| Utility: System and method for user customization and automation of operations on a software-defined network Filling date: 6 Sep 2025 Issue date: 9 Feb 2021 | 21 Dec 2018 | 9 Feb 2021 |
