Virtualization:
http://www.ni.com/white-paper/8708/en

http://en.wikipedia.org/wiki/Hypervisor

http://en.wikipedia.org/wiki/Virtual_appliance
http://www.vmtech.net/docs/home/VMT_Virtualization_Basics_White_Paper-0208.pdf

Restlet API 

http://www.openflowhub.org/display/floodlightcontroller/REST+API

http://www.openflowhub.org/display/floodlightcontroller/Current+Implementation+Block+Diagrams

http://www.openflowhub.org/display/floodlightcontroller/Floodlight+REST+API

http://www.openflowhub.org/display/floodlightcontroller/Module+loading+system

http://www.openflowhub.org/display/floodlightcontroller/RestApiServer

http://www.openflowhub.org/display/floodlightcontroller/PacketStreamer+Service

http://www.openflowhub.org/display/floodlightcontroller/Architecture

http://restlet.org/learn/tutorial/2.1/

http://restlet.org/learn/javadocs/2.1/jee/api/

http://stackoverflow.com/questions/2217418/fine-grained-authentication-with-restlet

http://restlet.org/learn/2.0/firstResource

https://groups.google.com/a/openflowhub.org/forum/?fromgroups#!topic/floodlight-dev/mVXSNvH0K-o

https://groups.google.com/a/openflowhub.org/forum/?fromgroups#!topic/floodlight-dev/2manr16CmVk

http://networkstatic.net/tutorial-to-build-a-floodlight-sdn-openflow-controller-module/

http://www.tutorialspoint.com/java/java_serialization.htm

http://docs.projectfloodlight.org/display/floodlightcontroller/Static+Flow+Pusher+API+(New)

http://tutorials.jenkov.com/java-reflection/fields.html

http://static.springsource.org/spring/docs/2.0.x/reference/mvc.html

Java Memory

http://www.coderanch.com/t/370764/java/java/Stack-Heap-Memory-Allocation-Local

http://javapapers.com/core-java/java-iterator/

http://www.tutorialspoint.com/java/java_using_iterator.htm

http://www.javamex.com/tutorials/memory/object_memory_usage.shtml

http://www.jusfortechies.com/java/core-java/deepcopy_and_shallowcopy.php

Informative Links

Hector is a high level Java client for Apache Cassandra 

http://hector-client.github.com/hector/build/html/index.html 

http://en.wikipedia.org/wiki/Hector_(API)         

http://detectmobilebrowsers.com/

http://www.ibm.com/developerworks/library/j-jtp07233/index.html

http://docs.oracle.com/javase/1.5.0/docs/api/java/util/concurrent/package-summary.html

http://docs.oracle.com/javase/tutorial/essential/concurrency/collections.html

http://en.wikipedia.org/wiki/RADIUS

http://en.wikipedia.org/wiki/Captive_portal

http://compnetworking.about.com/od/itinformationtechnology/l/aa070101a.htm

http://en.wikipedia.org/wiki/List_of_HTTP_status_codes#3xx_Redirection

PFSENSE 

http://blog.stefcho.eu/?p=814 

http://www.openbsd.org/faq/pf/

http://www.pfsense.org/index.php?option=com_content&task=view&id=40&Itemid=43

http://www.openbsd.org/faq/pf/

http://www.pfsense.org/screenshots/

http://doc.pfsense.org/index.php/Tutorials

---------------

http://localhost:4848/quercus-4.0.25

-----

jdbc:derby://localhost:1527/sample

-------

Java Best coding practices
• http://blogs.sun.com/CoreJavaTechTips/

• http://www.javapractices.com/home/HomeAction.do

• http://www.agaveblue.org/musings/exceptionhandling.shtml

• http://www.javaworld.com/javaworld/jw-02-2001/jw-0223-performance.html

• https://confluence.ucdavis.edu/confluence/display/UCDSAKAI/Java+Coding+Best+Practices