John E Drake wrote: > See also: http://www.akamai.com/html/about/press/releases/2012/press_091312.html It seems to me that Akamai is doing things which must be banned by IETF. Akamai IP Application Accelerator http://www.atoll.gr/media/brosures/FS_IPA.pdf Packet Loss Reduction Application performance is also affected by packet loss, which may be particularly troublesome when traffic traverses international network paths. IP Application ^^^^^^^^^^^^^^ Accelerator uses a variety of advanced ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ packet loss reduction techniques, including ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ forward error correction and optional packet ^^^^^^^^^^^^^^^^^^^^^^^^ replication to eliminate packet loss. Masataka Ohta