Citrix Online, LLC

Vishal Mittal

John Matthew Kennedy

Ashish V Thapliyal

Tony Spataro

Methods and systems for controlling access to objects of a distributed computing environment are described. In one configuration, a computing device receives a request from a principal to access a protected object and evaluating the transitive closure of the list of group identifiers. The protected object is associated with an access control list and has a time-invariant list of group identifiers. The list of group identifiers includes the access list is associated with the protected object to identify at least one principal authorized to access the protected object.

Methods and systems for specifying and enforcing access control in a distributed system

Methods and systems of authenticating a plurality of users for access to an on-line group activity are described. The systems and methods prevent overloading of any participant's computer due to authentication. In some configurations, multiple endpoints are designated as authenticators and requests for authentication are load balanced amongst the authenticators.

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Santa Barbara, MA, United States of America

Vishal Mittal