There are some obstacles to resolve before you can successfully host any kind of Internet application. The solutions are influenced by the package that your ISP provides to you, but almost every problem can be worked around.
Let's have a quick discussion on the two most popular packages supplied by ISP's.
The most fundamental part of home packages is that you almost always have a dynamic IP address. Some ISPs will allow you to upgrade to a static IP, but there would still be some limitations. The problem with having a dynamic IP is that it may change without notice. So, if you try to access your network from the Internet using an IP, one day it will certainly stop working after a while. This lease time varies from ISP to ISP, some are as short as a few hours and others can last for years. If you don't know what your current Internet IP address is while you are in a remote place, finding out what it is can be quite inconvenient.
One of the best...