Multiple levels of logical routers

S Neginhal, R Zhang - US Patent 9,647,883, 2017 - Google Patents
Some embodiments provide a managed network for imple menting a logical network for a
tenant. The managed net work includes a first set of host machines and a second set of host …

Flow templating in logical L3 routing

JE Gross IV, R Zhang, T Koponen - US Patent 9,319,375, 2016 - Google Patents
Networks have traditionally been managed through low-level configuration of individual
components. Network configurations often depend on the underlying network: for example …

Managed gateways peering with external router to attract ingress packets

A Tubaltsev, R Zhang, BC Basler, S Maskalik… - US Patent …, 2015 - Google Patents
Some embodiments provide a network system. The network system includes a first set of
host machines hosting virtual machines that connect to each other through a logical net …

Architectures for the future networks and the next generation Internet: A survey

S Paul, J Pan, R Jain - Computer Communications, 2011 - Elsevier
Networking research funding agencies in USA, Europe, Japan, and other countries are
encouraging research on revolutionary networking architectures that may or may not be …

Firewalls in logical networks

T Koponen, R Zhang, P Thakkar, M Casado - US Patent 9,015,823, 2015 - Google Patents
(51) Int. Cl. 2008/0163207 A1 7/2008 Reumann et al. 2008/O1897. 69 A1 8/2008 Casado et
al. G06F 2/55(2013.01) 2008/O196100 A1 8/2008 Madhavan et al. H04L 2/24(2006.01) …

Chassis controller

T Koponen, P Thakkar - US Patent 9,178,833, 2015 - Google Patents
US9178833B2 - Chassis controller - Google Patents US9178833B2 - Chassis controller -
Google Patents Chassis controller Download PDF Info Publication number US9178833B2 …

Network operating system for managing and securing networks

M Casado, KE Amidon, PJ Balland III, N Gude… - US Patent …, 2015 - Google Patents
A view of current state of the network is maintained where the current state of the network
characterizes network topology and network constituents, including network entities and net …

Migrating middlebox state for distributed middleboxes

R Zhang, T Koponen, P Thakkar… - US Patent …, 2015 - Google Patents
A controller of a network control system for configuring several middlebox instances is
described. The middlebox instances implement a middlebox in a distributed manner in …

Hierarchical managed switch architecture

M Casado, T Koponen, P Thakkar, WA Lambeth… - US Patent …, 2014 - Google Patents
Some embodiments provide a method for managing several managed switching elements in
a network. The method deter mines con? gurations for the several managed switching ele …

Load balancing in a logical pipeline

T Koponen, R Zhang - US Patent 9,059,999, 2015 - Google Patents
A non-transitory machine readable medium storing a program that configures a managed
forwarding element to perform logical L2 switching and L3 routing is described. The program …