Patents by Inventor Senthil Arunachalam
Senthil Arunachalam 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: 20180285579Abstract: Disclosed are methods and printer drivers for printing confidential documents. The method includes receiving a document for printing via an application running on a computing device. Then, it is determined whether received document is a confidential document based on at least one of: pre-defined methods and keywords. Then, the user is enforced to use a secure print mode and further invokes one or more security features, based on the determination. Then, the user is prompted to enter a passcode at the computing device for enforcing the secure print mode for the confidential document. A job request including the selected document and command parameters corresponding to the security features is sent to a multi-function device (MFD). The multi-function device enforces the security features for the received job request and prints the document as a secure print based on the passcode entered by the user at the multi-function device.Type: ApplicationFiled: March 30, 2017Publication date: October 4, 2018Inventors: Jagadish Thiru Karugavur Viswanathan, Senthil Arunachalam, Pandiarajan Subramanian
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Patent number: 8532070Abstract: A method and apparatus for handoff of a wireless client from a first network device to a second network device in a wired network are disclosed. In one embodiment, the method includes receiving data from a new wireless client at the second network device and transmitting a request for a route update for the new wireless client to the wired network. Prior to network convergence for the route update, data traffic for the new wireless client is received from the first network device and forwarded to the new wireless client. Context information for the new wireless client is transmitted from the second network device to other network devices in a proximity group of the second network device.Type: GrantFiled: December 18, 2006Date of Patent: September 10, 2013Assignee: Cisco Technology, Inc.Inventors: Gnanaprakasam Pandian, Navindra Yadav, Sheausong Yang, Bhanu Gopalasetty, Senthil Arunachalam
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Patent number: 8503445Abstract: Bridge domain communication methods and devices are presented for efficiently communicating information in a bridge domain based upon group indications and source indications. Packets with a source and destination indication are received. A bridge domain communication process is performed at the bridge level wherein a packet is selected for forwarding based upon a source and group indication. For example, a determination is made if a particular bridge domain corresponds to the group destination indication in the received packet. The source indication in the packet is compared with a tracked source designation indication. Output ports associated with the tracked source designation indication are identified if the tracked source designation indication matches the received source indication. The communication packet is forwarded on identified ports.Type: GrantFiled: May 12, 2010Date of Patent: August 6, 2013Assignee: Cisco Technology, Inc.Inventors: Tsia Yiu Lo, Jie Cheng Jiang, Senthil Arunachalam, Sundher Narayanaswamy
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Patent number: 8320567Abstract: In one embodiment, a method for processing encrypted wireless station data at a network device includes receiving from an access point, one or more frames comprising wireless station data fragmented into a plurality of encrypted protocol data units. The frames are configured to identify the encrypted protocol units associated with the wireless station data. The method further includes decrypting the encrypted protocol data units and forwarding the wireless station data. An apparatus for processing encrypted wireless station data, a method for transmitting encrypted multicast data for a wireless client, and a method for processing encrypted wireless station data at an access point are also disclosed.Type: GrantFiled: January 5, 2007Date of Patent: November 27, 2012Assignee: Cisco Technology, Inc.Inventors: Navindra Yadav, Sheausong Yang, Senthil Arunachalam, Bhanu Gopalasetty, Gnanaprakasam Pandian, Hiroshi Suzuki
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Patent number: 8040884Abstract: A method, system, computer program product and apparatus are presented to enable a L2 network device, such as a bridge or switch, to control the flow of a multicast data stream to a connected router in response to control messages received from the router by the L2 network device. By controlling the flow of multicast data streams in this manner, there will be a corresponding reduction in wasted bandwidth due to unnecessary transmission of these multicast data streams and a reduction in processing overhead by the router due to analysis and dropping of unnecessary multicast frames. In one aspect of the present invention, the router can generate the control messages in response to receiving a data frame in a multicast data stream from the L2 network device.Type: GrantFiled: August 8, 2005Date of Patent: October 18, 2011Assignee: Cisco Technology, Inc.Inventors: Senthil Arunachalam, Sundher Narayanaswamy, Isidoros Kouvelas, Ishan Wu, Toerless Eckert
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Patent number: 7796617Abstract: Data transmission across a computer network is disclosed, comprising creating a plurality of tunnels across a computer network to connect a first computer to a second computer, the plurality of tunnels including a tunnel for each link in a link aggregation of a plurality of transmission protocols, connecting a first computer at a first site with a second computer at a second site, the connection made via the computer network, and transmitting packets end-to-end from the first computer to the second computer in a manner characterized that the computer network preserves a connection from the first computer to the second computer without terminating the connection at the inbound edge of the computer network, the packets conforming to protocols in the plurality of transmission protocols.Type: GrantFiled: February 23, 2004Date of Patent: September 14, 2010Assignee: Cisco Technology, Inc.Inventors: Hans Henrik Bostrom, Senthil Arunachalam, Sze-wa Lao, Srinath Venkatesan
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Publication number: 20100220726Abstract: Bridge domain communication methods and devices are presented for efficiently communicating information in a bridge domain based upon group indications and source indications. Packets with a source and destination indication are received. A bridge domain communication process is performed at the bridge level wherein a packet is selected for forwarding based upon a source and group indication. For example, a determination is made if a particular bridge domain corresponds to the group destination indication in the received packet. The source indication in the packet is compared with a tracked source designation indication. Output ports associated with the tracked source designation indication are identified if the tracked source designation indication matches the received source indication. The communication packet is forwarded on identified ports.Type: ApplicationFiled: May 12, 2010Publication date: September 2, 2010Applicant: Cisco Technology Inc.Inventors: Tsia Yiu Lo, Jie Cheng Jiang, Senthil Arunachalam, Sundher Narayanaswamy
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Patent number: 7724739Abstract: Bridge domain communication methods and devices are presented for efficiently communicating information in a bridge domain based upon group indications and source indications. Packets with a source and destination indication are received. A bridge domain communication process is performed at the bridge level wherein a packet is selected for forwarding based upon a source and group indication. For example, a determination is made if a particular bridge domain corresponds to the group destination indication in the received packet. The source indication in the packet is compared with a tracked source designation indication. Output ports associated with the tracked source designation indication are identified if the tracked source designation indication matches the received source indication. The communication packet is forwarded on identified ports.Type: GrantFiled: March 18, 2005Date of Patent: May 25, 2010Assignee: Cisco Technology, Inc.Inventors: Tsia Yiu Lo, Jie Cheng Jiang, Senthil Arunachalam, Sundher Narayanaswamy
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Publication number: 20080165968Abstract: In one embodiment, a method for processing encrypted wireless station data at a network device includes receiving from an access point, one or more frames comprising wireless station data fragmented into a plurality of encrypted protocol data units. The frames are configured to identify the encrypted protocol units associated with the wireless station data. The method further includes decrypting the encrypted protocol data units and forwarding the wireless station data. An apparatus for processing encrypted wireless station data, a method for transmitting encrypted multicast data for a wireless client, and a method for processing encrypted wireless station data at an access point are also disclosed.Type: ApplicationFiled: January 5, 2007Publication date: July 10, 2008Applicant: CISCO TECHNOLOGY, INC.Inventors: Navindra Yadav, Sheausong Yang, Senthil Arunachalam, Bhanu Gopalasetty, Gnanaprakasam Pandian, Hiroshi Suzuki
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Publication number: 20080146230Abstract: A method and apparatus for handoff of a wireless client from a first network device to a second network device in a wired network are disclosed. In one embodiment, the method includes receiving data from a new wireless client at the second network device and transmitting a request for a route update for the new wireless client to the wired network. Prior to network convergence for the route update, data traffic for the new wireless client is received from the first network device and forwarded to the new wireless client. Context information for the new wireless client is transmitted from the second network device to other network devices in a proximity group of the second network device.Type: ApplicationFiled: December 18, 2006Publication date: June 19, 2008Applicant: CISCO TECHNOLOGY, INC.Inventors: Gnanaprakasam Pandian, Navindra Yadav, Sheausong Yang, Bhanu Gopalasetty, Senthil Arunachalam
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Publication number: 20070030817Abstract: A method, system, computer program product and apparatus are presented to enable a L2 network device, such as a bridge or switch, to control the flow of a multicast data stream to a connected router in response to control messages received from the router by the L2 network device. By controlling the flow of multicast data streams in this manner, there will be a corresponding reduction in wasted bandwidth due to unnecessary transmission of these multicast data streams and a reduction in processing overhead by the router due to analysis and dropping of unnecessary multicast frames. In one aspect of the present invention, the router can generate the control messages in response to receiving a data frame in a multicast data stream from the L2 network device.Type: ApplicationFiled: August 8, 2005Publication date: February 8, 2007Inventors: Senthil Arunachalam, Sundher Narayanaswamy, Isidoros Kouvelas, Ishan Wu, Toerless Eckert
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Publication number: 20060209829Abstract: Bridge domain communication methods and devices are presented for efficiently communicating information in a bridge domain based upon group indications and source indications. Packets with a source and destination indication are received. A bridge domain communication process is performed at the bridge level wherein a packet is selected for forwarding based upon a source and group indication. For example, a determination is made if a particular bridge domain corresponds to the group destination indication in the received packet. The source indication in the packet is compared with a tracked source designation indication. Output ports associated with the tracked source designation indication are identified if the tracked source designation indication matches the received source indication. The communication packet is forwarded on identified ports.Type: ApplicationFiled: March 18, 2005Publication date: September 21, 2006Inventors: Tsia Lo, Jie Jiang, Senthil Arunachalam, Sundher Narayanaswamy