APIC

117 Pages·2016·10.4 MB·English

by  Sarena Nichols

Application Centric
Infrastructure
Fundamentals
Brandon Beck – Technical Solutions Architect
Abstract
• This session is an intermediate session that provides detailed information on
Application Centric infrastructure and the requirement to drive data center
infrastructure based on application demands.
• The methodologies behind application development and deployment are
constantly changing. The current trends of massively scalable applications,
cloud deployments and DevOps practices have placed new stresses on data
center infrastructure. Infrastructure has become a bottleneck for application
development, deployment and growth. Application Centric Infrastructure places
the application center stage in the infrastructure design process and automates
the configuration of the hardware underneath. This approach provides a platform
for automation, orchestration and higher level system control while bridging the
language barriers between development and infrastructure teams.
Why we need the network to
do more
IT objectives and pain points
• Managing heterogeneous systems
• Balancing agility, performance and
security
• Active/Active DC designs
• Maintaining regulatory compliance
• Falling IT Budgets
• Network teams are starting to lose
strategic value within IT
Why Network Provisioning is Slow
Application Language Barriers
Developers Infrastructure Teams
VLANs
Application
Tiers
Subnets
Protocols
Provider /
Consumer
Ports
Relationships
Developer and infrastructure teams must translate between disparate languages.
Evolution of Server Configuration
In the Old Days … Today
Evolution of Network Configuration
1990s
Today
NEXUS>enable
CAT6K>enable
NEXUS# configterminal
CAT6K# configterminal
NEXUS(config)# interface ethernet1/1
CAT6K(config)# interface fastethernet1/1
NEXUS(config-if)# no switchport
CAT6K(config-if)# ipaddress 1.1.1.1 255.255.255.0
NEXUS(config-if)# ipaddress 1.1.1.1 255.255.255.0
CAT6K(config-if)# no shutdown
NEXUS(config-if)# no shutdown
CAT6K(config-if)# exit
NEXUS(config-if)# exit
CAT6K(config)# router eigrp
NEXUS(config)# feature eigrp
CAT6K(config-router)# network 1.1.1.0
NEXUS(config)# router eigrpTest1
CAT6K(config-router)# exit
NEXUS(config)# interface ethernet1/1
CAT6K(config)# exit
NEXUS(config-if)# iprouter eigrpTest1
CAT6K# copy run start
NEXUS(config-if)# no shutdown
NEXUS(config-if)# end
NEXUS# copy run start
We need to better manage network devices programmatically
How are application deployed on the network
today?
Different apps have dedicated “segments”
implemented with VLANs and their subnets
VLAN & Subnet VLAN & Subnet VLAN & Subnet
VLAN & Subnet VLAN & Subnet VLAN & Subnet