The red stains are caused by a red yeast growing on the moist hair. By changing the pH of your dogs body, it makes a hostile environment for the yeast to grow. 1/2 tablet of tums once a day will make tears alkaline or 1/2 cap of apple cider vinegar in water to drink will make them acidic. Either will work.
1) At the local level, a backbone is a line or set of lines that local area networks connect to for a wide area network connection or within a local area network to span distances efficiently (for example, between buildings).
Definition - What does Internet Backbone mean? An Internet backbone refers to one of the principal data routes between large, strategically interconnected networks and core routers on the Internet. An Internet backbone is a very high-speed data transmission line that provides networking facilities to relatively small but high-speed Internet service providers all around the world.