Patents by Inventor Sam Rajarathinam

Sam Rajarathinam 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).

  • Network system having a virtual-service-module
    Patent number: 7197553
    Abstract: A method, apparatus, and system in which a network system includes a virtual graph composed of a plurality individual networks. A first individual network is associated with a first user. The first individual network includes a plurality of service modules modeled to be representing a first set of network elements. The second individual network is associated with a second user. The second individual network includes a plurality of service modules modeled to be representing a second set of network elements. The second set of network element differs in the type of network elements included in the second individual network and the topological order of the network elements in the second individual network than the first set of network elements.
    Type: Grant
    Filed: April 19, 2002
    Date of Patent: March 27, 2007
    Assignee: Nortel Networks Limited
    Inventors: David Gary Roberts, Sanjay Dhawah, Mahesh Kumar, Glen William Gibson, Bala Sankaranarayanan, Sam Rajarathinam
  • Network system having a virtual-service-module
    Publication number: 20030200295
    Abstract: A method, apparatus, and system in which a network system includes a virtual graph composed of a plurality individual networks. A first individual network is associated with a first user. The first individual network includes a plurality of service modules modeled to be representing a first set of network elements. The second individual network is associated with a second user. The second individual network includes a plurality of service modules modeled to be representing a second set of network elements. The second set of network element differs in the type of network elements included in the second individual network and the topological order of the network elements in the second individual network than the first set of network elements.
    Type: Application
    Filed: April 19, 2002
    Publication date: October 23, 2003
    Inventors: David Gary Roberts, Sanjay Dhawan, Mahesh Kumar, Glen William Gibson, Bala Sankaranarayanan, Sam Rajarathinam