Segment routing extension headers

SB Previdi, C Filsfils - US Patent 9,762,488, 2017 - Google Patents
(57) ABSTRACT A system and method are disclosed for using segment routing (SR) in
native IP networks. The method involves receiving a packet. The packet is an IP packet and …

Opportunistic compression of routing segment identifier stacks

SF Bryant, DC Frost - US Patent 9,537,769, 2017 - Google Patents
A method and device are disclosed for opportunistic compression of routing segment
identifiers. In one embodiment, the method includes participating in routing of a first data …

Failure protection for traffic-engineered bit indexed explicit replication

T Eckert, I Wijnands, GA Shepherd… - US Patent …, 2018 - Google Patents
Methods and network devices are disclosed for failure protection in traffic-engineered bit
indexed explicit replication networks. In one embodiment, a method includes receiving at a …

Traffic Engineering for Bit Indexed Explicit Replication

T Eckert, I Wijnands, GJ Shepherd… - US Patent …, 2019 - Google Patents
Methods and network devices are disclosed for traffic-engineered forwarding through a new
form of bit indexed explicit replication. In one embodiment, a method includes receiving at a …

Method and system for path monitoring using segment routing

C Filsfils, DC Frost, SF Bryant, DR Heidrich - US Patent 9,369,371, 2016 - Google Patents
A method and system are disclosed for use of segment routing in monitoring of a network
path. In one embodiment, the method includes selecting a plurality of segment identifiers …

Enforcing strict shortest path forwarding using strict segment identifiers

P Psenak, R Hanzl, C Filsfils, KJ Talaulikar - US Patent 10,263,881, 2019 - Google Patents
Various systems and methods for using strict path forward ing. For example, one method
involves receiving an adver tisement at a node. The advertisement includes a segment …

Segment routing extension headers

SB Previdi, C Filsfils - US Patent 10,063,475, 2018 - Google Patents
A system and method are disclosed for using segment routing (SR) in native IP networks.
The method involves receiving a packet. The packet is an IP packet and includes an IP …

Traffic engineering for bit indexed explicit replication

T Eckert, I Wijnands, GJ Shepherd… - US Patent …, 2019 - Google Patents
Methods and network devices are disclosed for traffic-engineered forwarding through a new
form of bit indexed explicit replication. In one embodiment, a method includes receiving at a …

Segment routing techniques

C Filsfils, SF Bryant, DC Frost, JW Evans - US Patent 9,929,946, 2018 - Google Patents
An apparatus and method is disclosed for segment routing (SR). In one embodiment, the
method includes a node creating a segment stack that identifies one segment calculated …

Loop avoidance during network convergence in switched networks

PJR Francois, C Filsfils, SB Previdi, SF Bryant… - US Patent …, 2016 - Google Patents
Various techniques can be used to avoid loops during network convergence after a topology
change such as a failure. For example, a method can involve detecting a failure that disrupts …