| Patent application number | Description | Published |
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| 20080209445 | METHODS AND SYSTEMS FOR AUTOMATICALLY DETERMINING CONFIGURATION PARAMETERS - Techniques are disclosed for automatically determining one or more configuration parameters associated with one or more programs executable by a computing system. For example, in a system including at least one application and at least one parameter which affects a behavior of the at least one application, a method for determining a frequency for invoking the at least one application includes the following steps. The method estimates a cost which includes overhead resulting from invoking the at least one application. The method estimates an improvement in the behavior resulting from modifying the at least one parameter based on invoking the at least one application. The method selects the frequency based on the cost and the improvement. | 08-28-2008 |
| 20080235397 | Systems and Methods for Content-Aware Load Balancing - Improved load balancing techniques are disclosed. For example, in one illustrative aspect of the invention, a method of satisfying requests in a system comprised of a plurality of servers comprises the following steps. At least one load balancer is provided for routing requests to the plurality of servers. At the at least one load balancer, a request sent from a client is obtained. At the at least one load balancer, the request is examined. Costs of satisfying the request by at least two of the plurality of servers are estimated. The estimation is based on at least one of a number and a cost of at least one remote access for satisfying the request. The request is routed to a server of the plurality of servers with a low estimated cost of satisfying the request. | 09-25-2008 |
| 20080256299 | System and Method for Achieving Different Levels of Data Consistency - A system and method for maintaining consistency in a system where multiple copies of an object may exist is provided for maintaining consistent copies. Consistency is maintained using a plurality of consistency policies in which at least one consistency policy results in different performance than a second consistency policy. A consistency policy is selected from the plurality consistency policies for each object to improve system performance. | 10-16-2008 |
| 20080256356 | SECURE MEDIA BROADCASTING USING TEMPORAL ACCESS CONTROL - Improved key management techniques are disclosed for temporal access control of one or more services in a computer network. For example, a method for providing access control in a client-server system includes the following steps. A client obtains an authorization key for a time interval. A server derives an encryption key corresponding to a given time and uses the encryption key to encrypt a message. The client derives a decryption key corresponding to the given time and decrypts the message. | 10-16-2008 |
| 20080256357 | METHODS AND APPARATUS FOR ACCESS CONTROL IN SERVICE-ORIENTED COMPUTING ENVIRONMENTS - Improved access control techniques for use in a service-oriented computing environment are disclosed. For example, one method for authenticating a client in a service-oriented environment, wherein the service-oriented environment includes a plurality of services, includes the following steps. At least one service of the plurality of services is invoked. State information is associated with the at least one service invoked. The state information is used to authenticate a client with at least one service. Further, a method for access control in a service-oriented environment, wherein the service-oriented environment includes a plurality of services, includes the following steps. A rule specification language is provided. At least one rule is specified using the rule specification language. A verification is performed to determine whether or not the client satisfies the at least one rule. The client is granted access to a service when the client satisfies the at least one rule. | 10-16-2008 |
| 20080276244 | SYSTEM AND METHOD FOR ADAPTIVELY COLLECTING PERFORMANCE AND EVENT INFORMATION - A method for communicating information from a first computing node to at least one of the following: a storage device and a second computing node. The first computing node is monitored to collect at least one estimate of available resources, and based on this estimate, an amount of data collected is modified. Then, the modified data is sent to at least one of the following: the storage device and the second computing node. This invention also provides for the determination of an optimum batch size for aggregating data wherein, for a number of batch sizes, costs are estimated for sending batched information to persistent storage and for losing batched data. Then, the optimum batch size is selected from the number of different batch sizes based on sums of these costs. This invention also provides for selective compression of data, wherein it is determined which of a number of compression algorithms do not incur an overhead that exceeds available resources. Then, one of the determined algorithms is selected to maximize compression. | 11-06-2008 |
| 20080317051 | Methods and System for Highly Ordered Transaction Processing - Improved techniques are disclosed for processing transactions or requests in a data processing system. For example, a method for processing requests in a system including a plurality of nodes includes the following steps. At least two nodes of the plurality of nodes receive a plurality of requests. The two nodes exchange information to determine an order for processing requests. The two nodes process the requests in accordance with the order. The order may include a total order or a partial order. | 12-25-2008 |
| 20090019520 | Systems and Methods for Efficiently Authenticating Multiple Objects Based on Access Patterns - Techniques for efficiently authenticating multiple objects and clustering objects based on access patterns are provided. For example, in an illustrative aspect of the invention, a technique for generating and/or reading authentication information, wherein the authentication information provides evidence that a plurality of objects were one of generated and sent by an entity, comprises using one or more object access patterns indicative of whether at least two of the plurality of objects are accessed within a similar time period to group objects together to reduce an overhead for at least one of generating and reading the authentication information. | 01-15-2009 |
| 20090037879 | METHOD AND SYSTEM FOR INTEGRATING MODEL-BASED AND SEARCH-BASED AUTOMATIC SOFTWARE CONFIGURATION - Techniques are disclosed for integrating a model-based approach with a search-based approach for automatic configuration of a computer system. For example, in one such technique, a method for automatically configuring at least one computer system includes obtaining at least one model describing one or more effects of at least one configuration parameter on a behavior of the computer system, and modifying a process for searching for at least one acceptable value for the configuration parameter based on the model. | 02-05-2009 |
| 20090037910 | METHODS AND SYSTEMS FOR COORDINATED TRANSACTIONS IN DISTRIBUTED AND PARALLEL ENVIRONMENTS - Automated techniques are disclosed for coordinating request or transaction processing in a data processing system. For example, a technique for handling compound requests, in a system comprising multiple nodes for executing requests in which an individual request is associated with a particular node, comprises the following steps. A compound request comprising at least two individual requests associated with a same node is received. It is determined if both of the at least two individual requests are executable. The compound request is executed if it is determined that all individual requests of the compound request can execute. | 02-05-2009 |
| 20090037913 | METHODS AND SYSTEMS FOR COORDINATED TRANSACTIONS - Automated techniques are disclosed for coordinating request or transaction processing in a data processing system. For example, a technique for handling requests in a data processing system comprises the following steps. A compound request comprising at least two individual requests of different types is received. An individual request r | 02-05-2009 |
| 20090100504 | Methods and Apparatus for Adaptively Determining Trust in Client-Server Environments - Techniques are disclosed for adaptively determining trust in client-server environments. By way of example, a method for assigning a trust level to a client in a client-server environment including at least one client communicating with a plurality of servers includes the following steps. Information associated with a server s | 04-16-2009 |
| 20090177841 | Methods and Systems for Consistently Replicating Data - Techniques for maintaining consistent replicas of data are disclosed. By way of example, a method for managing copies of objects within caches, in a system including multiple caches, includes the following steps. Consistent copies of objects are maintained within the caches. A home cache for each object is maintained, wherein the home cache maintains information identifying other caches likely containing a copy of the object. In response to a request to update an object, the home cache for the object is contacted to identify other caches which might have copies of the object. | 07-09-2009 |
| 20090271515 | Method and Apparatus for Load Balancing in Network Based Telephony Application - Techniques are disclosed for load balancing in networks such as those networks handling telephony applications. By way of example, such techniques direct requests associated with calls to servers in a system comprised of a network routing calls between a plurality of callers and at least one receiver wherein a load balancer sends requests associated with calls to a plurality of servers as follows. A request associated with a call, a caller, or a receiver is received, depending on the particular load balancing technique. A server is selected to receive the request. A subsequent request is received. A determination is made whether or not the subsequent request is associated with the call, the caller, or the receiver, depending on the particular load balancing technique. The subsequent request is sent to the server based on determining that the subsequent request is associated with the call, the caller, or the receiver, again depending on the particular load balancing technique. | 10-29-2009 |
| 20090271798 | Method and Apparatus for Load Balancing in Network Based Telephony Application - Techniques are disclosed for load balancing in networks such as those networks handling telephony applications. By way of example, a method for directing requests associated with calls to servers in a system comprised of a network routing calls between a plurality of nodes wherein a node participates in a call as a caller or a receiver and wherein a load balancer sends requests associated with calls to a plurality of servers comprises the following steps. A request associated with a node belonging to a group including a plurality of nodes is received. A server is selected to receive the request. A subsequent request is received. A determination is made whether or not the subsequent request is associated with a node belonging to the group. The subsequent request is sent to the server based on determining that the subsequent request is associated with a node belonging to the group. By way of another example, a method for balancing requests among servers in a client server environment wherein a load balancer sends requests associated with a client to a plurality of servers comprises the following steps. Information is maintained regarding a weighted number of requests assigned to each server. The load balancer receives a request from a client. A server s | 10-29-2009 |
| 20090287846 | Method and Apparatus for Load Balancing in Network Based Telephony Based On Call Length - Techniques are disclosed for load balancing based on call length in networks such as those networks handling telephony applications. By way of example, one method for directing requests associated with calls to servers in a system comprised of a network routing calls between at least one caller and at least one receiver wherein the network comprises a load balancer sending requests to a plurality of servers comprises the following steps. A first request of a call is received. A server s | 11-19-2009 |
| 20090327817 | Coordinating Updates to Replicated Data - Techniques for coordinating updates to replicated data are disclosed. For example, in a system comprised of a plurality of nodes, a method for maintaining consistent copies of data across said nodes comprises the following steps. A copy of an object o | 12-31-2009 |
| 20100011123 | Method and Apparatus for Hierarchical Selective Personalization - A technique for delivering content in a client-server system based on a request received at a computing device from a client includes determining a current load on a next-level computing device of a hierarchy. When this current load is such that a response time for delivery of the request from the next-level computing device would increase above a given threshold, a client type associated with the request is checked and, when the client type indicates that the client is below a given priority level, content to be delivered to the client in response to the request is personalized at the receiving computing device. When the current load is such that the response time would not increase above a given threshold, the request is sent from the receiving computing device to the next-level computing device and the content to be delivered is personalized at the next-level computing device. | 01-14-2010 |
| 20100114620 | Service Description Refinement Based on Actual Service Use - Techniques are disclosed for generation and refinement of service descriptions based on records of invocations of the services, i.e., service description refinement based on actual service use. For example, a method for describing one or more services in a service-oriented environment comprised of one or more clients invoking the one or more services comprises the following steps. An initial description is established for at least one of the one or more services. Information is collected from one or more service invocations including at least one of a client identity, a value of at least one parameter, a return value, and an execution time. The information is analyzed to refine the description. | 05-06-2010 |
| 20110125903 | Method and System for Matching Interest and Availability of Services in Distributed Federated Service Domains - Systems, methods, apparatus and articles of manufacture are disclosed for tracking, propagation and matching of messages pertaining to the interest in and availability of services across autonomous service domains In one embodiment of the invention, a system of distributed, federated service domains in a service-oriented environment is provided wherein each service domain comprises: a plurality of locally provided services; a plurality of service requesters; and a service registry comprising descriptions of: one or more locally provided services; and one or more requested services, each of the requested services being one of: a fulfilled reference to a foreign service; and an unfulfilled reference to a foreign service. | 05-26-2011 |
