Patents by Inventor Yoann Desmouceaux
Yoann Desmouceaux has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Publication number: 20240106679Abstract: This disclosure describes methods and systems to externally manage network-to-network interconnect configuration data in conjunction with a centralized database subsystem. An example of the methods includes receiving and storing, in the centralized database subsystem, data indicative of user intent to interconnect at least a first network and a second network. The example method further includes, based at least in part on the data indicative of user intent, determining and storing, in the centralized database subsystem, a network intent that corresponds to the user intent. The example method further includes providing data indicative of the network intent from the centralized database subsystem to a first data plane adaptor, associated with the first network, and a second data plane adaptor, associated with the second network.Type: ApplicationFiled: December 11, 2023Publication date: March 28, 2024Inventors: Pierre Pfister, William Mark Townsley, Yoann Desmouceaux, David Delano Ward
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Patent number: 11855802Abstract: This disclosure describes methods and systems to externally manage network-to-network interconnect configuration data in conjunction with a centralized database subsystem. An example of the methods includes receiving and storing, in the centralized database subsystem, data indicative of user intent to interconnect at least a first network and a second network. The example method further includes, based at least in part on the data indicative of user intent, determining and storing, in the centralized database subsystem, a network intent that corresponds to the user intent. The example method further includes providing data indicative of the network intent from the centralized database subsystem to a first data plane adaptor, associated with the first network, and a second data plane adaptor, associated with the second network.Type: GrantFiled: January 5, 2023Date of Patent: December 26, 2023Assignee: Cisco Technology, Inc.Inventors: Pierre Pfister, William Mark Townsley, Yoann Desmouceaux, David Delano Ward
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Patent number: 11838361Abstract: Systems, methods, and computer-readable media for reducing distributed storage operation latency using segment routing. In some examples, a method can involve receiving, from a client, a message identifying an intent to store or retrieve data on a distributed storage environment, and sending to the client a segment routing (SR) list identifying storage node candidates for storing or retrieving the data. The method can involve steering a data request from the client through a path defined by the SR list based on a segment routing header (SRH) associated with the request, the SRH being configured to steer the request through the path until a storage node from the storage node candidates accepts the request. The method can further involve sending, to the client device, a response indicating that the storage node has accepted the request and storing or retrieving the data at the storage node that accepted the request.Type: GrantFiled: December 10, 2021Date of Patent: December 5, 2023Assignee: Cisco Technology, Inc.Inventors: Andre Jean-Marie Surcouf, Guillaume Ruty, Mohammed Hawari, Aloÿs Christophe Augustin, Yoann Desmouceaux
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Patent number: 11822443Abstract: This disclosure describes techniques for providing a distributed scalable architecture for Network Address Translation (NAT) systems with high availability and mitigations for flow breakage during failover events. The NAT servers may include functionality to serve as fast-path servers and/or slow-path servers. A fast-path server may include a NAT worker that includes a cache of NAT mappings to perform stateful network address translation and to forward packets with minimal latency. A slow-path server may include a mapping server that creates new NAT mappings, depreciates old ones, and answers NAT worker state requests. The NAT system may use virtual mapping servers (VMSs) running on primary physical servers with state duplicated VMSs on different physical failover servers.Type: GrantFiled: September 2, 2022Date of Patent: November 21, 2023Assignee: Cisco Technology, Inc.Inventors: Pierre Pfister, Ian James Wells, Kyle Andrew Donald Mestery, William Mark Townsley, Yoann Desmouceaux, Guillaume Ruty, Aloys Augustin
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Patent number: 11811872Abstract: Systems, methods, and computer-readable media for reducing distributed storage operation latency using segment routing. In some examples, a method can involve receiving, from a client, a message identifying an intent to store or retrieve data on a distributed storage environment, and sending to the client a segment routing (SR) list identifying storage node candidates for storing or retrieving the data. The method can involve steering a data request from the client through a path defined by the SR list based on a segment routing header (SRH) associated with the request, the SRH being configured to steer the request through the path until a storage node from the storage node candidates accepts the request. The method can further involve sending, to the client device, a response indicating that the storage node has accepted the request and storing or retrieving the data at the storage node that accepted the request.Type: GrantFiled: December 23, 2020Date of Patent: November 7, 2023Assignee: Cisco Technology, Inc.Inventors: Andre Jean-Marie Surcouf, Guillaume Ruty, Mohammed Hawari, Aloÿs Christophe Augustin, Yoann Desmouceaux
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Publication number: 20230179652Abstract: Techniques are described for providing a distributed application load-balancing architecture that supports multipath transport protocol for client devices connecting to an application service. Rather than having client devices generate new network five-tuples for new subflows to the application servers, the techniques described herein include shifting the burden to the application servers to ensure that the new network five-tuples land in the same bucket in the consistent hashing table. The application servers may receive a hashing function utilized by the load balancers to generate the hash of the network five-tuple. By having the application servers generate the hashes, the load balancers are able to continue stateless, low-level processing of the packets to route them to the correct application servers. In this way, additional subflows can be opened for client devices according to a multipath transport protocol while ensuring that the subflows are routed to the correct application server.Type: ApplicationFiled: January 26, 2023Publication date: June 8, 2023Inventors: Yoann Desmouceaux, Pierre Pfister, Aloys Augustin, Mohammed Hawari
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Patent number: 11665129Abstract: According to certain embodiments, a system comprises one or more processors and one or more computer-readable non-transitory storage media comprising instructions that, when executed by the one or more processors, cause one or more components of the system to perform operations. The operations comprise receiving a packet comprising a source address; selecting an uplink for the packet, the uplink selected from a plurality of uplinks based on an uplink selection policy; determining whether the source address is valid on the selected uplink; determining whether to keep or re-write the source address based on whether the source address is valid on the selected uplink; keeping the source address when the source address is valid on the selected uplink or re-writing the source address when the source address is not valid on the selected uplink; and sending the packet to the selected uplink.Type: GrantFiled: September 27, 2021Date of Patent: May 30, 2023Assignee: CISCO TECHNOLOGY, INC.Inventors: Yoann Desmouceaux, Rucha Sanjay Vaidya, Murali Muniraman, Pierre Pfister
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Publication number: 20230155859Abstract: This disclosure describes methods and systems to externally manage network-to-network interconnect configuration data in conjunction with a centralized database subsystem. An example of the methods includes receiving and storing, in the centralized database subsystem, data indicative of user intent to interconnect at least a first network and a second network. The example method further includes, based at least in part on the data indicative of user intent, determining and storing, in the centralized database subsystem, a network intent that corresponds to the user intent. The example method further includes providing data indicative of the network intent from the centralized database subsystem to a first data plane adaptor, associated with the first network, and a second data plane adaptor, associated with the second network.Type: ApplicationFiled: January 5, 2023Publication date: May 18, 2023Inventors: Pierre Pfister, William Mark Townsley, Yoann Desmouceaux, David Delano Ward
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Patent number: 11650844Abstract: Systems, methods, and computer-readable media for migrating an application container between nodes in a network are disclosed. An interest for an application container may be received by an origin node and, in response, the origin node may transfer a copy of the application container over the network and to a destination node. The origin node can then shut down the application container and transmit any remaining container state and received requests to the destination node. The destination node may then update a routing plane for the network to provide delivery of service requests to the migrated application.Type: GrantFiled: January 25, 2021Date of Patent: May 16, 2023Assignee: Cisco Technology, Inc.Inventors: Marcel Paul Sosthène Enguehard, Yoann Desmouceaux, Jordan Augé
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Patent number: 11575540Abstract: This disclosure describes methods and systems to externally manage network-to-network interconnect configuration data in conjunction with a centralized database subsystem. An example of the methods includes receiving and storing, in the centralized database subsystem, data indicative of user intent to interconnect at least a first network and a second network. The example method further includes, based at least in part on the data indicative of user intent, determining and storing, in the centralized database subsystem, a network intent that corresponds to the user intent. The example method further includes providing data indicative of the network intent from the centralized database subsystem to a first data plane adaptor, associated with the first network, and a second data plane adaptor, associated with the second network.Type: GrantFiled: February 14, 2022Date of Patent: February 7, 2023Assignee: Cisco Technology, Inc.Inventors: Pierre Pfister, William Mark Townsley, Yoann Desmouceaux, David Delano Ward
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Patent number: 11570239Abstract: Techniques are described for providing a distributed application load-balancing architecture that supports multipath transport protocol for client devices connecting to an application service. Rather than having client devices generate new network five-tuples for new subflows to the application servers, the techniques described herein include shifting the burden to the application servers to ensure that the new network five-tuples land in the same bucket in the consistent hashing table. The application servers may receive a hashing function utilized by the load balancers to generate the hash of the network five-tuple. By having the application servers generate the hashes, the load balancers are able to continue stateless, low-level processing of the packets to route them to the correct application servers. In this way, additional subflows can be opened for client devices according to a multipath transport protocol while ensuring that the subflows are routed to the correct application server.Type: GrantFiled: April 20, 2020Date of Patent: January 31, 2023Assignee: Cisco Technology, Inc.Inventors: Yoann Desmouceaux, Pierre Pfister, Aloys Augustin, Mohammed Hawari
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Patent number: 11558345Abstract: Systems, methods, and computer-readable storage media are provided to populate databases with routing data for containers to eliminate the need for continuously accessing a global discovery service. An example method includes initiating, from a source container operating on a first machine in a first rack, a communication with a destination container operating on a second machine on a second rack, wherein a local database on the first machine does not know an address of the destination container. The method includes accessing a global discovery service to provide the address of the destination container, populating the local database on the first machine with the address of the destination container and routing a packet from the source container to the destination container according to the address of the destination container.Type: GrantFiled: November 16, 2020Date of Patent: January 17, 2023Assignee: Cisco Technology, Inc.Inventors: Yoann Desmouceaux, Marcel Paul Sosthène Enguehard, Jacques Olivier Samain, Jerome Tollet
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Publication number: 20220413975Abstract: This disclosure describes techniques for providing a distributed scalable architecture for Network Address Translation (NAT) systems with high availability and mitigations for flow breakage during failover events. The NAT servers may include functionality to serve as fast-path servers and/or slow-path servers. A fast-path server may include a NAT worker that includes a cache of NAT mappings to perform stateful network address translation and to forward packets with minimal latency. A slow-path server may include a mapping server that creates new NAT mappings, depreciates old ones, and answers NAT worker state requests. The NAT system may use virtual mapping servers (VMSs) running on primary physical servers with state duplicated VMSs on different physical failover servers.Type: ApplicationFiled: September 2, 2022Publication date: December 29, 2022Inventors: Pierre Pfister, Ian James Wells, Kyle Andrew Donald Mestery, William Mark Townsley, Yoann Desmouceaux, Guillaume Ruty, Aloys Augustin
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Patent number: 11470176Abstract: The present technology provides a system, method and computer readable medium for steering a content request among plurality of cache servers based on multi-level assessment of content popularity. In some embodiments a three levels of popularity may be determined comprising popular, semi-popular and unpopular designations for the queried content. The processing of the query and delivery of the requested content depends on the aforementioned popularity level designation and comprises a acceptance of the query at the edge cache server to which the query was originally directed, rejection of the query and re-direction to a second edge cache server or redirection of the query to origin server to thereby deliver the requested content. The proposed technology results in higher hit ratio for edge cache clusters by steering requests for semi-popular content to one or more additional cache servers while forwarding request for unpopular content to origin server.Type: GrantFiled: January 29, 2019Date of Patent: October 11, 2022Assignee: CISCO TECHNOLOGY, INC.Inventors: Marcel Paul Sosthène Enguehard, Yoann Desmouceaux, Pierre Pfister, William Mark Townsley, Eric Vyncke
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Publication number: 20220294758Abstract: According to certain embodiments, a system comprises one or more processors and one or more computer-readable non-transitory storage media comprising instructions that, when executed by the one or more processors, cause one or more components of the system to perform operations. The operations comprise receiving a packet comprising a source address; selecting an uplink for the packet, the uplink selected from a plurality of uplinks based on an uplink selection policy; determining whether the source address is valid on the selected uplink; determining whether to keep or re-write the source address based on whether the source address is valid on the selected uplink; keeping the source address when the source address is valid on the selected uplink or re-writing the source address when the source address is not valid on the selected uplink; and sending the packet to the selected uplink.Type: ApplicationFiled: September 27, 2021Publication date: September 15, 2022Inventors: Yoann Desmouceaux, Rucha Sanjay Vaidya, Murali Muniraman, Pierre Pfister
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Patent number: 11436111Abstract: This disclosure describes techniques for providing a distributed scalable architecture for Network Address Translation (NAT) systems with high availability and mitigations for flow breakage during failover events. The NAT servers may include functionality to serve as fast-path servers and/or slow-path servers. A fast-path server may include a NAT worker that includes a cache of NAT mappings to perform stateful network address translation and to forward packets with minimal latency. A slow-path server may include a mapping server that creates new NAT mappings, depreciates old ones, and answers NAT worker state requests. The NAT system may use virtual mapping servers (VMSs) running on primary physical servers with state duplicated VMSs on different physical failover servers.Type: GrantFiled: October 3, 2019Date of Patent: September 6, 2022Assignee: Cisco Technology, Inc.Inventors: Pierre Pfister, Ian James Wells, Kyle Andrew Donald Mestery, William Mark Townsley, Yoann Desmouceaux, Guillaume Ruty, Aloys Augustin
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Patent number: 11405236Abstract: This disclosure describes methods and systems to externally manage network-to-network interconnect configuration data in conjunction with a centralized database subsystem. An example of the methods includes receiving and storing, in the centralized database subsystem, data indicative of user intent to interconnect at least a first network and a second network. The example method further includes, based at least in part on the data indicative of user intent, determining and storing, in the centralized database subsystem, a network intent that corresponds to the user intent. The example method further includes providing data indicative of the network intent from the centralized database subsystem to a first data plane adaptor, associated with the first network, and a second data plane adaptor, associated with the second network.Type: GrantFiled: February 24, 2020Date of Patent: August 2, 2022Assignee: Cisco Technology, Inc.Inventors: Pierre Pfister, William Mark Townsley, Yoann Desmouceaux, David Delano Ward
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Publication number: 20220166646Abstract: This disclosure describes methods and systems to externally manage network-to-network interconnect configuration data in conjunction with a centralized database subsystem. An example of the methods includes receiving and storing, in the centralized database subsystem, data indicative of user intent to interconnect at least a first network and a second network. The example method further includes, based at least in part on the data indicative of user intent, determining and storing, in the centralized database subsystem, a network intent that corresponds to the user intent. The example method further includes providing data indicative of the network intent from the centralized database subsystem to a first data plane adaptor, associated with the first network, and a second data plane adaptor, associated with the second network.Type: ApplicationFiled: February 14, 2022Publication date: May 26, 2022Inventors: Pierre Pfister, William Mark Townsley, Yoann Desmouceaux, David Delano Ward
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Publication number: 20220103631Abstract: Systems, methods, and computer-readable media for reducing distributed storage operation latency using segment routing. In some examples, a method can involve receiving, from a client, a message identifying an intent to store or retrieve data on a distributed storage environment, and sending to the client a segment routing (SR) list identifying storage node candidates for storing or retrieving the data. The method can involve steering a data request from the client through a path defined by the SR list based on a segment routing header (SRH) associated with the request, the SRH being configured to steer the request through the path until a storage node from the storage node candidates accepts the request. The method can further involve sending, to the client device, a response indicating that the storage node has accepted the request and storing or retrieving the data at the storage node that accepted the request.Type: ApplicationFiled: December 10, 2021Publication date: March 31, 2022Inventors: Andre Jean-Marie Surcouf, Guillaume Ruty, Mohammed Hawari, Aloÿs Christophe Augustin, Yoann Desmouceaux
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Patent number: 11283707Abstract: Systems and methods provide for segment routing (SR) with fast reroute in a container network. An SR ingress can receive a packet from a first container destined for a container service. The ingress can generate an SR packet including a segment list comprising a first segment to a first container service host, a second segment to a second service host, and a third segment to the service. The ingress can forward the SR packet to a first SR egress corresponding to the first host using the first segment. The first egress can determine whether the first service and/or host is reachable. If so, the first egress can forward the SR packet to the first host or the packet to the service. If not, the first egress can perform a fast reroute and forward the SR packet to a second SR egress corresponding to the second host using the second segment.Type: GrantFiled: October 15, 2020Date of Patent: March 22, 2022Assignee: CISCO TECHNOLOGY, INC.Inventors: Giles Douglas Yorke Heron, Edward A. Warnicke, William Mark Townsley, Yoann Desmouceaux