diff --git a/files/optimization/cdn_eng.png b/files/optimization/cdn_eng.png new file mode 100644 index 0000000..ef10da4 Binary files /dev/null and b/files/optimization/cdn_eng.png differ diff --git a/files/optimization/load-balancer_eng.png b/files/optimization/load-balancer_eng.png new file mode 100644 index 0000000..650b322 Binary files /dev/null and b/files/optimization/load-balancer_eng.png differ