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We review simulations of dynamical domain wall fermions at a fixed inverselattice spacing of 1.73GeV and with pion masses as light as 330MeV and spatialdimensions as large as 2.7fm performed by the RBC and UKQCD collaborations.These results include pseudoscalar masses and decay constants and low energyconstants of the chiral effective lagrangian. We also review results for theneutral kaon mixing amplitude $B_K$, the Kl3 form factor, pseudoscalar mesonstructure, and vector meson decay constants. In the baryon sector we reviewresults for the spectrum, and nucleon form factors and structure functions.Highlights of our programme include preliminary quark masses, anddeterminations of $V_{us}$ from both $f_K/f_\pi$ and from Kl3, and an updatedresult for $B_K$. We find significant finite volume effects in the nucleonaxial charge $g_A$ for our $m_\pi=330$ MeV ensemble on a $(2.7 {\rm fm})^3$lattice, and highlight the importance of large physical volumes for non-trivialnucleon physics.

2+1 flavour Domain Wall Fermion simulations by the RBC and UKQCD collaborations