In other words, RIP is a soft state protocol. Every route has a property called a metric, which indicates the distance to the route's destination. Every time a router receives a route advertisement, it increments the metric.
Venous reflux disease, also known as venous insufficiency, is a medical condition affecting the circulation of blood in the lower extremities. Normally, one-way valves in the veins keep blood flowing toward the heart against the force of gravity. When the valves become weak and do not close properly, they allow blood to flow backward and this is a condition called reflux.
Venous Insufficiency (Definition). Venous insufficiency is a symptom in which the veins in a part of the body (usually the legs) are not able to easily carry blood back towards the heart. Some blood and extra fluid tends to stay in the lower legs, leading to swelling and discomfort.