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Hoeflin, NJ

David Hoeflin, Middletown, NJ US

Patent application numberDescriptionPublished
20090316578METHOD AND APPARATUS FOR PROVIDING A WEIGHTED BANDWIDTH ALLOCATION FOR A NETWORK - A method and apparatus for providing bandwidth allocation for a network are disclosed. For example, the method receives data from a plurality of subscribers for transmission, and allocates a minimum reserved bandwidth to each of the plurality of subscribers. The method then allocates a portion of a shareable bandwidth to at least one of the plurality of subscribers in accordance with a weight factor.12-24-2009
20100121980METHOD OF GENERATING ROUND ROBIN SERVICE ORDER LISTS FOR IMPROVING SERVICE PERFORMANCE DURING SERVER FAILURES - A network communication node includes a request distribution manager that combines a plurality of permutations of sequences for routing requests to a plurality of servers. The request distribution managers also generates instructions for routing the requests to the plurality of servers, based on the combination of the plurality of permutations. The network communication node also includes a router that routes the requests to the plurality of servers based on the instructions.05-13-2010
20100125656System and Method for Request Routing Optimization - A system includes a monitoring module, a request allocation module, and a request distribution module. The monitoring module is configured to determine a resource utilization of a preferred server and a non-preferred server. The request allocation module is configured to modify an allocation scheme in response to the resource utilization of the preferred server and the non-preferred server. The request distribution module is configured to distribute a plurality of requests from a plurality of users according to the allocation scheme.05-20-2010
20100161537System and Method for Detecting Email Spammers - A system and method for detecting Email spammers from unknown SMTP Clients using the unknown SMTP Client's SMTP traffic information e.g. byte size and variability data. The system and method includes a byte size and variability traffic flow model and a classification system. The traffic flow model may be based upon a standard deviation of byte size and variability of traffic flows for a plurality of legitimate SMTP Clients and for a plurality of Spammer SMTP Clients. The classification system then classifies an Unknown SMTP Client as an Email Spammer based on a comparison between the byte size and the variability of the Unknown SMTP Client's traffic flows with the byte size and variability traffic flow model.06-24-2010
20100162396System and Method for Detecting Remotely Controlled E-mail Spam Hosts - A system for detecting a remotely controlled e-mail spam host. The system includes an E-mail spammer detection unit and a host traffic profiling unit. The E-mail spammer detection unit identifies E-mail Spammers based on SMTP traffic characteristics. The host profiling unit extracts traffic components from the plurality of Internet traffic associated with an E-mail Spammer; interprets the extracted traffic components and determines whether the E-mail Spammer is a compromised host. The system may also include a botnet controller detection unit that analyzes traffic associated with compromised E-mail Spammers and identifies the botnet Controller remotely controlling the compromised E-mail Spammer.06-24-2010

Patent applications by David Hoeflin, Middletown, NJ US

David A. Hoeflin, Middleton, NJ US

David A. Hoeflin, Middletown, NJ US

Patent application numberDescriptionPublished
20100125755Method to identify performance and capacity bottlenecks of complex systems - Systems and methods are described that analyze complex systems and identify potential performance bottlenecks that may affect capacity and response time. The bottlenecks are identified to resolve problems originating at a specific subsystem(s).05-20-2010

David Arthur Hoeflin, Middletown, NJ US

Patent application numberDescriptionPublished
20090138238Sequential fixed-point quantile estimation - Disclosed are method and apparatus for calculating a quantile estimate of a data stream. A quantile estimate is calculated iteratively by calculating a first quantile estimate and then calculating a second quantile estimate by adding a first update increment to the first estimate. A first observation sample is acquired. A first quantile estimate and a first standard deviation estimate are set to the sample quantile and the sample standard deviation of the first observation sample. A second observation sample is then acquired. A second standard deviation estimate is calculated based at least in part on the first standard deviation estimate and the sample standard deviation of the second observation sample. A first update increment is calculated based at least in part on the second observation sample and based at least in part on the product of the second standard deviation estimate times a log odds ratio function.05-28-2009