@MISC{
       Author = {Wessels, D. and claffy, k.}, 
       Title = {{IETF RFC 2186: Internet Cache Protocol (ICP), version 2}},
       Publisher = {The Internet Society},
       Institution = {Internet Engineering Task Force (IETF)},
       Month = {Sep},
       Year = {1997},
       Keywords = {caching}
}