Patents by Inventor Michael J. Spreitzer

Michael J. Spreitzer 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).

  • Publication number: 20090307393
    Abstract: A system for managing inbound messages in a server complex including one or more message consumers. The system includes a server configured to receive the inbound messages from a first peripheral device and to transmit messages to one or more of the plurality of message consumers. The system also includes an inbound message queue coupled to the server, the inbound message queue configured to store inbound message until an age of any message stored on the inbound message queue exceeds a predetermined threshold.
    Type: Application
    Filed: June 6, 2008
    Publication date: December 10, 2009
    Applicant: INTERNATIONAL BUSINESS MACHINES CORPORATION
    Inventors: Srinivas Hasti, Michael J. Spreitzer, Graham D. Wallis, David Ware, Neil G.S. Young
  • Publication number: 20090157855
    Abstract: A decentralized process to ensure the dynamic placement of applications on servers under two types of simultaneous resource requirements, those that are dependent on the loads placed on the applications and those that are independent. The demand (load) for applications changes over time and the goal is to satisfy all the demand while changing the solution (assignment of applications to servers) as little as possible.
    Type: Application
    Filed: February 21, 2009
    Publication date: June 18, 2009
    Inventors: Constantin M. Adam, Giovanni Pacifici, Michael J. Spreitzer, Malgorzata Steinder, Chunqiang Tang
  • Patent number: 7496667
    Abstract: A decentralized process to ensure the dynamic placement of applications on servers under two types of simultaneous resource requirements, those that are dependent on the loads placed on the applications and those that are independent. The demand (load) for applications changes over time and the goal is to satisfy all the demand while changing the solution (assignment of applications to servers) as little as possible.
    Type: Grant
    Filed: January 31, 2006
    Date of Patent: February 24, 2009
    Assignee: International Business Machines Corporation
    Inventors: Constantin M. Adam, Giovanni Pacifici, Michael J. Spreitzer, Malgorzata Steinder, Chunqiang Tang
  • Publication number: 20080239960
    Abstract: An improved solution for managing messages through a request response protocol network utilizing a path-based adaptive prioritization and latency management is provided. In an embodiment of the invention, a method of managing a message being conveyed through a request response protocol network via a path includes: receiving the message; determining for the message at least one of: an incoming portion of the path or an outgoing portion of the path; and adjusting a priority of the message based on a latency target for the determined portion of the path.
    Type: Application
    Filed: March 30, 2007
    Publication date: October 2, 2008
    Inventors: Erik J. Burckart, John P. Cammarata, Curtis E. Hrischuk, Michael J. Spreitzer
  • Publication number: 20080215749
    Abstract: A system, computer program and method for transmitting requested data from a data source in response to data transmission requests from at least one electronic device according to differential rates of throughput. Data transmission requests are classified into one of a plurality of throughput classes, with each throughput class having an assigned rate of throughput. A proportion of data transmission requests to be processed from each throughput class is selected such that each data transmission request has a rate of throughput approximating the assigned rate of throughput of its class. The requested data is then sent from the data source to the electronic device.
    Type: Application
    Filed: March 2, 2007
    Publication date: September 4, 2008
    Inventors: Vasanth Bala, Michel Imhasly, Giovanni Pacifici, Michael J. Spreitzer
  • Publication number: 20080162709
    Abstract: A system for processing application protocol requests is disclosed. An apparatus that incorporates teachings of the present disclosure may include, for example, an Application Protocol Assignment System having a controller element that assigns each of one or more application protocol requests to a select one or more of a plurality of application servers according to a memory utilization of each of the plurality of application servers. Additional embodiments are disclosed.
    Type: Application
    Filed: December 27, 2006
    Publication date: July 3, 2008
    Applicant: INTERNATIONAL BUSINESS MACHINES CORPORATION
    Inventors: CURTIS E. HRISCHUK, Gary J. Deval, Michael J. Spreitzer, Jin Feng Hu
  • Patent number: 5812865
    Abstract: The present invention describes a system of multiple devices and multiple users, wherein the identity and location of each device and user may be known to the system. A method is described for establishing media connections between at least a first user and a second user based on the context of the system and the environment of the particular device, computing devices, or users. The system receives a media connection request from the first user, including information indicating the first user preferences for media, and identifies the intended recipient user or users. The location and media devices in proximity to each of the users is determined, and the preset profiles and policies of the users involved are determined. Each user may specify acceptable media connections and contextual attributes. When the contextual attributes and acceptable media connections for each user are consistent, media device communications paths are established.
    Type: Grant
    Filed: March 4, 1996
    Date of Patent: September 22, 1998
    Assignee: Xerox Corporation
    Inventors: Marvin M. Theimer, Michael J. Spreitzer, Mark D. Weiser, Richard J. Goldstein, Daniel C. Swinehart, William N. Schilit, Roy Want
  • Patent number: 5671407
    Abstract: Write operations for weakly consistent replicated database systems have application-specific embedded dependency queries and related descriptions of the results that are expected to be returned when the respective dependency queries are run against the database. The dependency queries are arbitrary queries that are provided by the application to satisfy the requirements of the application. Write operations that conflict with the current state of any given instance of such a database are detected by comparing (a) the results that are returned when the dependency queries for those writes are run against the given instance of the database with (b) the results that are expected to be returned.
    Type: Grant
    Filed: December 7, 1994
    Date of Patent: September 23, 1997
    Assignee: Xerox Corporation
    Inventors: Alan J. Demers, Karin Petersen, Michael J. Spreitzer, Douglas B. Terry, Marvin M. Theimer, Brent B. Welch
  • Patent number: 5611050
    Abstract: The present invention describes a method for superimposing prespecified locational, environmental, and contextual controls on user interactions, including interactions of mobile users, with computational resources. A system is described for electronically monitoring contextual information concerning users and machines, including state and locational information including proximity. Interaction policies, including user specified interaction policies, may be registered on an identifiable address path. Methods are described for detecting, selecting and controlling computercontrolled devices, based on the proximity of the device to the user, the current context of the user, the location of other nearby users and devices, and the current state of the devices. Temporary transfer of control, including exclusive control, of particular computers and computer controlled devices to individual users based on the context and environment in proximity to those computing devices is also described.
    Type: Grant
    Filed: June 7, 1995
    Date of Patent: March 11, 1997
    Assignee: Xerox Corporation
    Inventors: Marvin M. Theimer, Michael J. Spreitzer, Mark D. Weiser, Richard J. Goldstein, Scott A. Elrod, Daniel C. Swinehart, William N. Schilit, Robert T. Krivacic, Roy Want
  • Patent number: 5603054
    Abstract: The present invention describes a method for superimposing prespecified locational, environmental, and contextual controls on user interactions, including interactions of mobile users, with computational resources. A system is described for electronically monitoring contextual information concerning users and machines, including state and locational information including proximity. Interaction policies, including user specified interaction policies, may be registered on an identifiable address path. Methods are described for detecting, selecting and controlling computercontrolled devices, based on the proximity of the device to the user, the current context of the user, the location of other nearby users and devices, and the current state of the devices. Temporary transfer of control, including exclusive control, of particular computers and computer controlled devices to individual users based on the context and environment in proximity to those computing devices is also described.
    Type: Grant
    Filed: June 7, 1995
    Date of Patent: February 11, 1997
    Assignee: Xerox Corporation
    Inventors: Marvin M. Theimer, Michael J. Spreitzer, Mark D. Weiser, Richard J. Goldstein, Scott A. Elrod, Daniel C. Swinehart, William N. Schilit, Robert T. Krivacic, Roy Want
  • Patent number: 5603026
    Abstract: Write operations for weakly consistent replicated database systems have embedded application-specific merge procedures that are invoked for resolving conflicts whenever it is found that the related write operation conflicts with the current state of a given instance of such a database. The effect of executing such a merge procedure is deterministic for any state of the given instance of the database happens to be in when the merge procedure is executed.
    Type: Grant
    Filed: December 7, 1994
    Date of Patent: February 11, 1997
    Assignee: Xerox Corporation
    Inventors: Alan J. Demers, Karin Petersen, Michael J. Spreitzer, Douglas B. Terry, Marvin M. Theimer, Brent B. Welch
  • Patent number: 5581754
    Abstract: Write operations for weakly consistent replicated database systems have embedded conflict detection and conflict resolution procedures for identifying and resolving, respectively conflicts between such write operations and the current state of any given instance of such a database. These write operations are committed to a firm execution order by the host for one instance of such a database, and this execution order propagates to the other instances of the database. Accordingly, a write log distinguishes between the writes that are known to be committed to a firm execution order (the "tentative writes") is maintained for each instance of the database, thereby enabling the user to explicitly identifying the stable data and the potentially unstable data in any given instance of the database. Furthermore, provision is made for enabling users to select from a set of predefined consistency guarantees across all instances of such a database for any given session.
    Type: Grant
    Filed: December 7, 1994
    Date of Patent: December 3, 1996
    Assignee: Xerox Corporation
    Inventors: Douglas B. Terry, Marvin M. Theimer, Alan J. Demers, Karin Petersen, Michael J. Spreitzer, Brent B. Welch
  • Patent number: 5581753
    Abstract: The present invention provides client-selected consistency guarantees to clients of a weakly consistent replicated database on a per "session" basis. The clients have access to utilities which allow the clients to, individually or collectively, define a "session" over which the selected guarantees are enforced. A "session" is broadly defined as a sequence of logically related Reads and Writes to the database. Sessions are initiated and terminated substantially independently of other sessions which may exist concurrently. Clients are allowed, however, to clone sessions and/or merge sessions with other clients. Clients select a minimum relevant subset of guarantees from among a set of pre-defined consistency guarantees, where "relevancy" is a client determined factor. At any given time, the system may be enforcing a number of different combinations of consistency guarantees.
    Type: Grant
    Filed: September 28, 1994
    Date of Patent: December 3, 1996
    Assignee: Xerox Corporation
    Inventors: Douglas B. Terry, Alan J. Demers, Karin Petersen, Michael J. Spreitzer, Marvin M. Theimer, Brent B. Welch
  • Patent number: 5577240
    Abstract: A write log that distinguishes between write operations that are known to be in a stable write order ("committed writes") and write operations that still are in a potentially unstable write order ("tentative writes") are maintained for each instance of a weakly consistent replicated database so that the stable and the potentially unstable data in any given instance of such a database can be explicitly identified.
    Type: Grant
    Filed: December 7, 1994
    Date of Patent: November 19, 1996
    Assignee: Xerox Corporation
    Inventors: Alan J. Demers, Karin Petersen, Michael J. Spreitzer, Douglas B. Terry, Marvin M. Theimer, Brent B. Welch
  • Patent number: 5555376
    Abstract: The present invention describes a method for superimposing prespecified locational, environmental, and contextual controls on user interactions, including interactions of mobile users, with computational resources. A system is described for electronically monitoring contextual information concerning users and machines, including state and locational information including proximity. Interaction policies, including user specified interaction policies, may be registered on an identifiable address path. Methods are described for detecting, selecting and controlling computercontrolled devices, based on the proximity of the device to the user, the current context of the user, the location of other nearby users and devices, and the current state of the devices. Temporary transfer of control, including exclusive control, of particular computers and computer controlled devices to individual users based on the context and environment in proximity to those computing devices is also described.
    Type: Grant
    Filed: December 3, 1993
    Date of Patent: September 10, 1996
    Assignee: Xerox Corporation
    Inventors: Marvin M. Theimer, Michael J. Spreitzer, Mark D. Weiser, Richard J. Goldstein, Scott A. Elrod, Daniel C. Swinehart, William N. Schilit, Robert T. Krivacic, Roy Want
  • Patent number: 5544321
    Abstract: The present invention describes a method for superimposing prespecified locational, environmental, and contextual controls on user interactions, including interactions of mobile users, with computational resources. A system is described for electronically monitoring contextual information concerning users and machines, including state and locational information including proximity. Interaction policies, including user specified interaction policies, may be registered on an identifiable address path. Methods are described for detecting, selecting and controlling computercontrolled devices, based on the proximity of the device to the user, the current context of the user, the location of other nearby users and devices, and the current state of the devices. Temporary transfer of control, including exclusive control, of particular computers and computer controlled devices to individual users based on the context and environment in proximity to those computing devices is also described.
    Type: Grant
    Filed: June 7, 1995
    Date of Patent: August 6, 1996
    Assignee: Xerox Corporation
    Inventors: Marvin M. Theimer, Michael J. Spreitzer, Mark D. Weiser, Richard J. Goldstein, Scott A. Elrod, Daniel C. Swinehart, William N. Schilit, Robert T. Krivacic, Roy Want
  • Patent number: 5493692
    Abstract: The present invention describes a method for selectively delivering electronic messages to an identified user or users in a system of mobile and fixed devices, including multiple display devices and multiple users, based on the context of the system and the environment of the identified user. Electronic messages intended for an identified user or users may be given a level of privacy and a level priority, and contextual attributes for its delivery may be specified. The system perceives contextual attributes for the recipient user or users, including display devices in close proximity to the identified users, and determines a display property for said electronic message based on the contextual attributes, the user profile properties of each user, and the level of privacy and level of priority of the electronic message.
    Type: Grant
    Filed: December 3, 1993
    Date of Patent: February 20, 1996
    Assignee: Xerox Corporation
    Inventors: Marvin M. Theimer, Michael J. Spreitzer, Mark D. Weiser, Richard J. Goldstein, Douglas B. Terry, William N. Schilit, Roy Want