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Monday, August 17 • 3:20pm - 4:10pm
Why Link-State Matters - Andy Gospodarek

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For most of it's existence the default behavior for the Linux kernel has been what most would consider a 'weak host' model. This will means that the kernel will chose to forward frames by any means necessary to ensure connectivity between a source and destination. Unfortunately one of the system states not taken into consideration when making a routing decision is outgoing link-state. In the past, the Linux kernel has relied on an array of userspace applications to solve this problem and either remove routes or perform configuration changes when link state changes. This talk will cover recent kernel changes that provide a configuration option to change route table behavior based on link-state, the benefits of this in the kernel for users and administrators, and possible future development plans for this feature.

Speakers
avatar for Andy Gospodarek

Andy Gospodarek

Member of Technical Staff, Cumulus Networks
Andy Initially worked at LVL7 (acquired by Broadcom in 2007) doing application porting ("Why doesn't this work on Linux?") and later doing platform and board support for an embedded network operating system product. He Moved to Red Hat in 2005 and spent most of his time maintaining network drivers and doing whatever else was needed in the networking subsystem as well as leading others doing similar work. Andy recently joined Cumulus Networks to... Read More →


Monday August 17, 2015 3:20pm - 4:10pm
Willow B

Attendees (26)