Patents by Inventor Gunes Aybay
Gunes Aybay 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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Patent number: 9967167Abstract: In one embodiment, a processor-readable medium storing code representing instructions that when executed by a processor cause the processor to update, at a memory location, a first flow state value associated with a data flow to a second flow state value when at least one of a packet from the data flow is received or the memory location is selected after a time period has expired. At least a portion of the packet is analyzed when the second flow state value represents a flow rate of a network data flow anomaly.Type: GrantFiled: February 12, 2016Date of Patent: May 8, 2018Assignee: Juniper Networks, Inc.Inventor: Gunes Aybay
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Patent number: 9942095Abstract: In some embodiments, an apparatus comprises a processing module, disposed within a first switch fabric element, configured to detect a second switch fabric element having a routing module when the second switch fabric element is operatively coupled to the first switch fabric element. The processing module is configured to define a virtual processing module configured to be operatively coupled to the second switch fabric element. The virtual processing module is configured to receive a request from the second switch fabric element for forwarding information and the virtual processing module is configured to send the forwarding information to the routing module.Type: GrantFiled: May 26, 2017Date of Patent: April 10, 2018Assignee: Juniper Networks, Inc.Inventors: Gunes Aybay, Pradeep Sindhu, Anjan Venkatramani
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Publication number: 20180091444Abstract: In one embodiment, an apparatus includes a switch core that has a multi-stage switch fabric. A first set of peripheral processing devices coupled to the multi-stage switch fabric by a set of connections that have a protocol. Each peripheral processing device from the first set of peripheral processing devices is a storage node that has virtualized resources. The virtualized resources of the first set of peripheral processing devices collectively define a virtual storage resource interconnected by the switch core. A second set of peripheral processing devices coupled to the multi-stage switch fabric by a set of connections that have the protocol. Each peripheral processing device from the first set of peripheral processing devices is a compute node that has virtualized resources. The virtualized resources of the second set of peripheral processing devices collectively define a virtual compute resource interconnected by the switch core.Type: ApplicationFiled: November 30, 2017Publication date: March 29, 2018Applicant: Juniper Networks, Inc.Inventors: Pradeep SINDHU, Gunes AYBAY, Jean-Marc FRAILONG, Anjan VENKATRAMANI, Quaizar VOHRA
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Patent number: 9882776Abstract: In one embodiment, a method includes sending a configuration signal to a virtual network switch module within a control plane of a communications network. The configuration signal is configured to define a first network rule at the virtual network switch module. The method also includes configuring a packet forwarding module such that the packet forwarding module implements a second network rule, and receiving status information from the virtual network switch module and status information from the packet forwarding module. The status information is received via the control plane.Type: GrantFiled: December 10, 2014Date of Patent: January 30, 2018Assignee: Juniper Networks, Inc.Inventors: Gunes Aybay, Pradeep Sindhu, Anjan Venkatramani
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Patent number: 9847953Abstract: In one embodiment, an apparatus includes a switch core that has a multi-stage switch fabric. A first set of peripheral processing devices coupled to the multi-stage switch fabric by a set of connections that have a protocol. Each peripheral processing device from the first set of peripheral processing devices is a storage node that has virtualized resources. The virtualized resources of the first set of peripheral processing devices collectively define a virtual storage resource interconnected by the switch core. A second set of peripheral processing devices coupled to the multi-stage switch fabric by a set of connections that have the protocol. Each peripheral processing device from the first set of peripheral processing devices is a compute node that has virtualized resources. The virtualized resources of the second set of peripheral processing devices collectively define a virtual compute resource interconnected by the switch core.Type: GrantFiled: June 30, 2009Date of Patent: December 19, 2017Assignee: Juniper Networks, Inc.Inventors: Pradeep Sindhu, Gunes Aybay, Jean-Marc Frailong, Anjan Venkatramani, Quaizar Vohra
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Patent number: 9813359Abstract: A method of sending data to a switch fabric includes assigning a destination port of an output module to a data packet based on at least one field in a first header of the data packet. A module associated with a first stage of the switch fabric is selected based on at least one field in the first header. A second header is appended to the data packet. The second header includes an identifier associated with the destination port of the output module. The data packet is sent to the module associated with the first stage. The module associated with the first stage is configured to send the data packet to a module associated with a second stage of the switch fabric based on the second header.Type: GrantFiled: May 10, 2016Date of Patent: November 7, 2017Assignee: Juniper Networks, Inc.Inventor: Gunes Aybay
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Patent number: 9800494Abstract: In some embodiments, an apparatus comprises a core network node and a control module within an enterprise network architecture. The core network node is configured to be operatively coupled to a set of wired network nodes and a set of wireless network nodes. The core network node is configured to receive a first tunneled packet associated with a first session from a wired network node from the set of wired network nodes. The core network node is configured to also receive a second tunneled packet associated with a second session from a wireless network node from the set of wireless network nodes through intervening wired network nodes from the set of wired network nodes. The control module is operatively coupled to the core network node. The control module is configured to manage the first session and the second session.Type: GrantFiled: June 29, 2016Date of Patent: October 24, 2017Assignee: Juniper Networks, Inc.Inventors: Pradeep Sindhu, Abhijit Choudhury, James Murphy, Raghavendra Mallya, Pranay Pogde, Phalguni Nanda, Jayabharat Boddu, Gunes Aybay, Anjan Venkatramani
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Publication number: 20170272312Abstract: In some embodiments, an apparatus comprises a processing module, disposed within a first switch fabric element, configured to detect a second switch fabric element having a routing module when the second switch fabric element is operatively coupled to the first switch fabric element. The processing module is configured to define a virtual processing module configured to be operatively coupled to the second switch fabric element. The virtual processing module is configured to receive a request from the second switch fabric element for forwarding information and the virtual processing module is configured to send the forwarding information to the routing module.Type: ApplicationFiled: May 26, 2017Publication date: September 21, 2017Applicant: Juniper Networks, Inc.Inventors: Gunes Aybay, Pradeep Sindhu, Anjan Venkatramani
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Publication number: 20170257328Abstract: In some embodiments, an apparatus includes a flow control module configured to receive a first data packet from an output queue of a stage of a multi-stage switch at a first rate when an available capacity of the output queue crosses a first threshold. The flow control module is configured to receive a second data packet from the output queue of the stage of the multi-stage switch at a second rate when the available capacity of the output queue crosses a second threshold. The flow control module configured to send a flow control signal to an edge device of the multi-stage switch from which the first data packet or the second data packet entered the multi-stage switch.Type: ApplicationFiled: May 22, 2017Publication date: September 7, 2017Applicant: Juniper Networks, Inc.Inventors: Prashant Anand, Gunes Aybay, Arijit Sarcar, Hardik Bhalala
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Patent number: 9716661Abstract: In some embodiments, an apparatus includes a forwarding module that is configured to receive a group of first data packets. The forwarding module is configured to modify a data flow value in response to receiving each first data packet. The forwarding module is also configured to store each first data packet in a first output queue based on the data flow value not crossing a data flow threshold after being modified. Furthermore, the forwarding module is configured to receive a second data packet. The forwarding module is configured to modify the data flow value in response to receiving the second data packet, such that the data flow value crosses the data flow threshold. The forwarding module is configured to store the second data packet in a second output queue based on the data flow value having crossed the data flow threshold.Type: GrantFiled: May 11, 2015Date of Patent: July 25, 2017Assignee: Juniper Networks, Inc.Inventor: Gunes Aybay
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Patent number: 9705827Abstract: A system includes a module associated with a first stage of a switch fabric directly coupled to a module associated with a second stage of the switch fabric via a single physical hop having multiple virtual channels. The module associated with the first stage is configured to assign a virtual channel identifier associated with a virtual channel with a data packet using a hash function and to send the data packet through the virtual channel based on the virtual channel identifier. The module associated with the second stage is configured to send a flow control signal to the module associated with the first stage when an available capacity of a queue is less than a predetermined threshold. The module associated with the first stage is configured to suspend sending data packets via the virtual channel in response to the flow control signal.Type: GrantFiled: June 22, 2015Date of Patent: July 11, 2017Assignee: Juniper Networks, Inc.Inventor: Gunes Aybay
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Patent number: 9667492Abstract: In some embodiments, an apparatus comprises a processing module, disposed within a first switch fabric element, configured to detect a second switch fabric element having a routing module when the second switch fabric element is operatively coupled to the first switch fabric element. The processing module is configured to define a virtual processing module configured to be operatively coupled to the second switch fabric element. The virtual processing module is configured to receive a request from the second switch fabric element for forwarding information and the virtual processing module is configured to send the forwarding information to the routing module.Type: GrantFiled: January 23, 2015Date of Patent: May 30, 2017Assignee: Juniper Networks, Inc.Inventors: Gunes Aybay, Pradeep Sindhu, Anjan Venkatramani
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Patent number: 9660940Abstract: In some embodiments, an apparatus includes a flow control module configured to receive a first data packet from an output queue of a stage of a multi-stage switch at a first rate when an available capacity of the output queue crosses a first threshold. The flow control module is configured to receive a second data packet from the output queue of the stage of the multi-stage switch at a second rate when the available capacity of the output queue crosses a second threshold. The flow control module configured to send a flow control signal to an edge device of the multi-stage switch from which the first data packet or the second data packet entered the multi-stage switch.Type: GrantFiled: December 1, 2010Date of Patent: May 23, 2017Assignee: Juniper Networks, Inc.Inventors: Prashant Anand, Gunes Aybay, Arijit Sarcar, Hardik Bhalala
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Patent number: 9602439Abstract: In some embodiments, an apparatus includes a switch fabric having at least a first switch stage and a second switch stage, an edge device operatively coupled to the switch fabric and a management module. The edge device is configured to send a first portion of a data stream to the switch fabric such that the first portion of the data stream is received at a queue of the second switch stage of the switch fabric via the first switch stage of the switch fabric. The management module is configured to send a flow control signal configured to trigger the edge device to suspend transmission of a second portion of the data stream when a congestion level of the queue of the second switch stage of the switch fabric satisfies a condition in response to the first portion of the data stream being received at the queue.Type: GrantFiled: April 30, 2010Date of Patent: March 21, 2017Assignee: Juniper Networks, Inc.Inventors: Gunes Aybay, Jaya Bandyopadhyay, Srinivas Gadgil
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Patent number: 9596137Abstract: An apparatus includes a network management module to store a network configuration file. The network configuration file having a binding association with an identifier of a port from a plurality of ports of a switch fabric when the network management module is in a first configuration. The network management module selects the network configuration file based on the binding association with the identifier if the port in response to an access switch being operatively coupled to the port. The network configuration file having a binding association with an identifier of the access switch when the network management module is in a second configuration. The network management module selects the network configuration file based on the binding association with the identifier of the access switch in response to the access switch being operatively coupled to the port.Type: GrantFiled: September 4, 2015Date of Patent: March 14, 2017Assignee: Juniper Networks, Inc.Inventors: Joseph White, Gunes Aybay, Predrag Spasic, Murali Vemula, Ravi Shekhar, Quaizar Vohra, Jainendra Kumar
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Patent number: 9485155Abstract: A device includes a memory, flow table logic, sampling logic, and a processing unit. The memory is configured to store a flow table that stores, as a number of entries, statistics regarding a number of data flows. The flow table logic is configured to generate records corresponding to data flows for which entries are created in the flow table or removed from the flow table. The sampling logic is configured to select one of the data flows for sampling and sample initial data units for the one of the data flows. The processing unit is configured to receive the records generated by the flow table logic, receive the initial data units sampled by the sampling logic, analyze the initial data units to generate analysis results, correlate the records and the analysis results associated with a same one of the data flows, and store the correlated records and analysis results.Type: GrantFiled: June 30, 2011Date of Patent: November 1, 2016Assignee: Juniper Networks, Inc.Inventors: Gunes Aybay, Jack Kohn, David Rowell, Fuguang Shi
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Publication number: 20160308763Abstract: In some embodiments, an apparatus comprises a core network node and a control module within an enterprise network architecture. The core network node is configured to be operatively coupled to a set of wired network nodes and a set of wireless network nodes. The core network node is configured to receive a first tunneled packet associated with a first session from a wired network node from the set of wired network nodes. The core network node is configured to also receive a second tunneled packet associated with a second session from a wireless network node from the set of wireless network nodes through intervening wired network nodes from the set of wired network nodes. The control module is operatively coupled to the core network node. The control module is configured to manage the first session and the second session.Type: ApplicationFiled: June 29, 2016Publication date: October 20, 2016Applicant: Juniper Networks, Inc.Inventors: Pradeep SINDHU, Abhijit CHOUDHURY, James MURPHY, Raghavendra MALLYA, Pranay POGDE, Phalguni NANDA, Jayabharat BODDU, Gunes AYBAY, Anjan VENKATRAMANI
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Publication number: 20160255019Abstract: A method of sending data to a switch fabric includes assigning a destination port of an output module to a data packet based on at least one field in a first header of the data packet. A module associated with a first stage of the switch fabric is selected based on at least one field in the first header. A second header is appended to the data packet. The second header includes an identifier associated with the destination port of the output module. The data packet is sent to the module associated with the first stage. The module associated with the first stage is configured to send the data packet to a module associated with a second stage of the switch fabric based on the second header.Type: ApplicationFiled: May 10, 2016Publication date: September 1, 2016Applicant: Juniper Networks, Inc.Inventor: Gunes AYBAY
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Patent number: 9407457Abstract: In some embodiments, an apparatus comprises a core network node and a control module within an enterprise network architecture. The core network node is configured to be operatively coupled to a set of wired network nodes and a set of wireless network nodes. The core network node is configured to receive a first tunneled packet associated with a first session from a wired network node from the set of wired network nodes. The core network node is configured to also receive a second tunneled packet associated with a second session from a wireless network node from the set of wireless network nodes through intervening wired network nodes from the set of wired network nodes. The control module is operatively coupled to the core network node. The control module is configured to manage the first session and the second session.Type: GrantFiled: October 4, 2011Date of Patent: August 2, 2016Assignee: JUNIPER NETWORKS, INC.Inventors: Pradeep Sindhu, Abhijit Choudhury, James Murphy, Raghavendra Mallya, Pranay Pogde, Phalguni Nanda, Jayabharat Boddu, Gunes Aybay, Anjan Venkatramani
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Publication number: 20160164765Abstract: In one embodiment, a processor-readable medium storing code representing instructions that when executed by a processor cause the processor to update, at a memory location, a first flow state value associated with a data flow to a second flow state value when at least one of a packet from the data flow is received or the memory location is selected after a time period has expired. At least a portion of the packet is analyzed when the second flow state value represents a flow rate of a network data flow anomaly.Type: ApplicationFiled: February 12, 2016Publication date: June 9, 2016Applicant: Juniper Networks, Inc.Inventor: Gunes Aybay