Download Building Data Centers with VXLAN BGP EVPN: A Cisco NX-OS by Lukas Krattiger, Shyam Kapadia, David Jansen PDF
By Lukas Krattiger, Shyam Kapadia, David Jansen
The entire consultant to construction and dealing with next-generation info heart community materials with VXLAN and BGP EVPN
This is the one accomplished advisor and deployment reference for construction versatile info heart community materials with VXLAN and BGP EVPN applied sciences. Writing for skilled community pros, 3 best Cisco specialists deal with every thing from criteria and protocols to capabilities, configurations, and operations.
The authors first clarify why and the way info heart materials are evolving, and introduce Cisco’s cloth trip. subsequent, they evaluate key swap roles, crucial info heart community cloth terminology, and center recommendations reminiscent of community attributes, keep watch over airplane info, and the linked facts aircraft encapsulation.
Building in this starting place, they supply a deep dive into cloth semantics, effective production and addressing of the underlay, multi-tenancy, keep watch over and information airplane interplay, forwarding flows, exterior interconnectivity, and repair equipment deployments. You’ll locate precise tutorials, descriptions, and packet flows that could simply be tailored to deal with personalized deployments. This advisor concludes with a whole part on cloth administration, introducing a number of possibilities to simplify, automate, and orchestrate info heart community fabrics.
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Learn how altering information middle standards have pushed the evolution to overlays, developed keep watch over planes, and VXLAN BGP EVPN spine-leaf fabrics
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Discover why VXLAN BGP EVPN materials are so scalable, resilient, and elastic
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Implement better unicast and multicast forwarding of tenant site visitors over the VXLAN BGP EVPN fabric
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Build textile underlays to successfully delivery uni- and multi-destination traffic
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Connect the cloth externally through Layer three (VRF-Lite, LISP, MPLS L3VPN) and Layer 2 (VPC)
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Choose your ultimate Multi-POD, multifabric, and information heart Interconnect (DCI) options
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Integrate Layer 4-7 providers into the material, together with load balancers and firewalls
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Manage materials with POAP-based day-0 provisioning, incremental day half configuration, overlay day-1 configuration, or day-2 operations
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Extra resources for Building Data Centers with VXLAN BGP EVPN: A Cisco NX-OS Perspective
Example text
But with the evolution of the data center—and the cloud in particular—deployment time today is expected to be minutes or even seconds. Not only is the speed of deployment critical, but it is important to be able to scale-up as workload requirements expand. In addition, paying only for what is actively being used has become the norm. The requirements for high-availability access to applications and their associated data have become increasingly stringent. While the demand for availability has been driven by the widespread globalization of enterprises across continents, applications have also become increasingly sophisticated.
This scenario has been termed a broadcast storm. Any kind of network storm can chew up unnecessary bandwidth within the network and should be avoided at all costs. Because there is no Time to Live (TTL) field in a Layer 2 header, once a storm is introduced, the traffic could flow endlessly. Layer 3 networks have a fail-safe mechanism due to the presence of the TTL field and an associated decrement at every routed hop. Once the TTL becomes 0, the packet is dropped. The lack of such a liveliness field in Layer 2 networks immensely limits scalability, especially as the size of the network grows.
I could not have completed yet another book without your help, support, and understanding. I would also like to further dedicate this book to my parents, Michael and Dolores. You have given me the proper tools, guidance, attitude, drive, and education to allow me to do what I do. I’m likewise grateful to God, who gives endurance, encouragement, and motivation to complete such a large project like this. In my last book dedication, I mentioned that I would not take on any additional projects like that one.