A comprehensive survey of network function virtualization

B Yi, X Wang, K Li, M Huang - Computer Networks, 2018 - Elsevier
Today's networks are filled with a massive and ever-growing variety of network functions that
coupled with proprietary devices, which leads to network ossification and difficulty in network …

Specifying and utilizing paths through a network

S Boutros, A Dubey, M Parsa, I Cidon… - US Patent …, 2020 - Google Patents
For a multi-tenant environment, some embodiments of the invention provide a novel method
for (1) embedding a specific path for a tenant's data message flow through a network in …

Service operation chaining

S Boutros, P Monclus, P Kippen, D Rajan… - US Patent …, 2020 - Google Patents
For a multi-tenant environment, some embodiments of the invention provide a novel method
for forwarding tenant traffic through a set of service machines to perform a set of service …

Service operation chaining

S Boutros, P Monclus, P Kippen, D Rajan… - US Patent …, 2020 - Google Patents
For a multi-tenant environment, some embodiments of the invention provide a novel method
for forwarding tenant traffic through a set of service machines to perform a set of service …

Service insertion at logical network gateway

A Naveen, K Mundaragi, R Mishra, F Kavathia… - US Patent …, 2023 - Google Patents
2018-09-02 Assigned to VMWARE, INC. reassignment VMWARE, INC. ASSIGNMENT OF
ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). Assignors: FENG, YONG, JAIN …

System and method to facilitate the assignment of service functions for service chains in a network environment

RM Batz, IMD Campbell, HGP Bosch - US Patent 9,762,402, 2017 - Google Patents
A method is provided in one example embodiment and may include receiving a first Internet
protocol (IP) flow for an IP session for a subscriber; selecting a first service function group …

Third-party service chaining using packet encapsulation in a flow-based forwarding element

S Sevinc, Y Song - US Patent 11,012,420, 2021 - Google Patents
A method of enforcing security rules for a packet on a host is provided. The method at a
security service dispatcher, determines a dispatching action on a packet for each of a group …

Specifying and utilizing paths through a network

S Boutros, A Dubey, M Parsa, I Cidon… - US Patent …, 2020 - Google Patents
For a multi-tenant environment, some embodiments of the invention provide a novel method
for (1) embedding a specific path for a tenant's data message flow through a network in …

Incorporating layer 2 service between two interfaces of gateway device

S Boutros, S Tan, R Mishra, K Mundaragi… - US Patent …, 2020 - Google Patents
Some embodiments provide a method for providing a layer 2 (L2) bump-in-the-wire service
at a gateway device (eg, a layer 3 (L3) gateway device) at the edge of a logical network. The …

Detecting failure of layer 2 service using broadcast messages

S Boutros, S Tan, R Mishra, K Mundaragi… - US Patent …, 2020 - Google Patents
Some embodiments provide a method for detecting a failure of a layer 2 (L2) bump-in-the-
wire service at a device. In some embodiments, the device sends heartbeat signals to a …