I think it is a good start, but you also need to be careful that your data doesn't pass through outside networks before getting to your home. For example, when I get a page from slashdot, it may travel around the world and back again to get into my computer. we need ways to keep control of which paths the datas take.
There is a tool that allows you to explore the travel paths. And from the stats that the tool has gathered so far it appears that most of the local/domestic Canadian traffic gets routed through a few very specific points in US. See here:
IX maps has been sending request recently through openmedia.ca asking people to download the tool and submit their stats. The tool is here: