Which is the best way (using proxy or channel factory) when WCF Service Implementation is going to have many changes ? why?

http://www.dotnet-tricks.com/Tutorial/wcf/YEV3280913-Difference-between-WCF-Proxy-and-Channel-Factory.html http://www.codeproject.com/Tips/558163/Difference-between-Proxy-and-Channel-Factory-in-WC

http://www.dotnet-tricks.com/Tutorial/wcf/YEV3280913-Difference-between-WCF-Proxy-and-Channel-Factory.html http://www.codeproject.com/Tips/558163/Difference-between-Proxy-and-Channel-Factory-in-WC

http://www.dotnet-tricks.com/Tutorial/wcf/YEV3280913-Difference-between-WCF-Proxy-and-Channel-Factory.html http://www.codeproject.com/Tips/558163/Difference-between-Proxy-and-Channel-Factory-in-WC .

Proxy. As it is easier to use and had to update only proxy class(in consumer applications)and there is no requirement to put dll(which is required in case of channel factory implementation).