A new look for good old parton dynamics

A short review is given of the idea and of the present status of recently proposed evolution equations that respect the Gribov-Lipatov reciprocity between space-like and time-like parton dynamics in all orders.Comment: Talk presented at the XXXIX International Symposium on Multiparticle Dynamics, Gomel, Belorussia, September 2009; 5 page