Cristian Estan

Title: Cristian Estan: Innovator in Virtualization and Packet Classification

Introduction

Cristian Estan is a notable inventor based in Madison, WI (US), recognized for his contributions to the fields of virtualization and packet classification. With a total of 4 patents to his name, Estan has made significant strides in enhancing computer operating systems and network performance.

Latest Patents

One of Estan's latest patents is titled "Virtualizing super-user privileges for multiple virtual processes." This innovation involves the virtualization of super-user privileges by designating a virtual super-user for each virtual process. The system intercepts calls that require actual super-user privileges, allowing virtual super-users to perform necessary actions within their respective virtual processes. This approach is particularly beneficial in environments utilizing multiple virtual processes, such as virtual private servers.

Another significant patent is "Packet router having improved packet classification." This invention outlines a method for classifying received packets using a hardware cache of evolving rules alongside a software cache with an original rule set. The process includes receiving a packet and processing it through a hardware-based packet classifier to identify cache miss packets. The method further involves determining whether to expand evolving rules based on the characteristics of the cache miss packet.

Career Highlights

Cristian Estan has worked with prominent organizations, including the Wisconsin Alumni Research Foundation and Digital Asset Enterprises, LLC. His experience in these companies has allowed him to develop and refine his innovative ideas, contributing to advancements in technology.

Collaborations

Estan has collaborated with notable professionals in his field, including Randy David Smith and Somesh Jha. These partnerships have likely fostered a creative environment that encourages the exchange of ideas and the development of groundbreaking technologies.

Conclusion

Cristian Estan's work in virtualization and packet classification showcases his innovative spirit and dedication to advancing technology. His patents reflect a deep understanding of complex systems and a commitment to improving their functionality.