CS6320: SW Engineering of Web Based Systems
Instructor
Outline
Syllabus
Projects
Links
Scalable Architecture
Scaler :
front end.
load balancers
web caching/ squid
connection pooling to Apache/Web Server machines
mark down/up machines
Web Server
Apache or lighttpd
Distributed Databases
or XXXX
might have a grid network here that is specialized to serve specail needs besides the generic databases. Example - CDNs (content delivery networks).
each web server does NOT necessarialy connect to all databases.
Can have caching before database / networks....example memcached.
© Lynne Grewe