2. About m*e
IT Infrastructure Architect
CCS
World’s Oldest Intern
Foxycart
jason@jasonamyers.com
www.binarydelusions.com
3. O*verview
• Why this is so important to you?
• Networking Overview
• Firewalls
• Load Balancers
• Caching
• Data Flow Mapping
• Application Performance Management
• Sniffing for Troubleshooting
4. Why is this So
Important?
• n-Tier Architectures
• RESTful APIs
• Service Oriented
Architectures
• HATEOAS
5. Frame
Dest Source
Data Link Ethernet
SOF
Len
Preamble Data FCS
MAC MAC
Packet
Source Dest
IP
HCS
Network
Opt
Pad
Misc Data
IP IP
Segment
Source Dest
Transport TCP
Opt
Pad
Misc Data
CS
Port Port
An Ethernet Frame
6. Firewalls
• Packet Filtering
• Closed from outside
• Allow return traffic to
a request from an
inside source
7. Firewalls: Allowing
Traffic f*rom O*utside
• “Poking Holes”
• Access Control List
Entries (Network)
• Network Address
Translation (NAT)
(Transport)
• Source, Destination,
Protocol, Port
8. ACL
NAT Firewall
Web
Service
Database Load Balancer
Firewall P*ositioning
