(51) Int. Cl. arranged in multiple clusters. A Switching device is config 9. p 9. 9. H04L
29/06(2006.01) ured with the firewall security devices by communicating H04L …

(57) ABSTRACT A method, program and system for processing data is dis closed. The data
comprises identi? ers of a plurality of enti ties. The method, program and system comprising …

Some embodiments provide a method that processes network data through a network. The
method receives a packet destined for a network host associated with a logical datapath set …

(54) METHOD AND APPARATUS FOR 5,651,099 A 7/1997 Konsella GENERATING AND
USING ENHANCED 5,721,899 A 2/1998 Namba TREE BITMAP DATA STRUCTURES IN …

For a network that includes several managed edge Switching elements and several
managed non-edge Switching elements that are for implementing a logical Switching …

Generating and using a high-speed, scalable, and easily updateable data structure are
described. The proposed data structure provides minimal perfect hashing functionality while …

For a managed network including first and second managed Switching elements that
implement logical data path sets, some embodiments provide a method that establishes …

In a hierarchical switching architecture that includes at least one lower level managed
switching element that connects to several higher level managed switching elements, some …

(57) ABSTRACT A method, system, and computer program product are pre sented to
optimize OSI Level 2 switch forwarding of frames comprising IP addresses, 802.1 QinC …

Some embodiments provide a method that uses headerspace analysis. The method
receives several flow entries for distribution to a set of forwarding elements that implement a …