Re: [tsv-area] [homegate] support for fair-sharing in home gateways?

[Richard Bennett]

I agree with Joe, nobody considers a standalone DSL "modem" or DOCSIS modem to be the home gateway, the NAT/Etherswitch/Wi-Fi AP is the home gateway. Let's be clear about basic terminology. Many home gateways have the DSL modem built-in these days, and in fact nobody is developing new DSL modems that aren't integrated with a NAT. Some NATs do have DOCSIS built-in, but this is less common because DOCSIS is expensive to develop and test. Many home gateways do in fact use VLANs on both the upstream and downstream side, especially the CPE gateways that are part of a triple-play system with VOD to STBs inside the home. Some that I've seen use VLANs to carry packets from one of the Virtual BSS's on the Wi-Fi AP to a carrier NAT outside the home as well. VLANs are an excellent way to prioritize and de-prioritize packets. Similarly, Wi-Fi has a system of frame prioritization called WMM that uses a subset of the 802.11e standard. It's widely supported in home gateways these days, along with systems for shallow packet inspection that allow users to boost the priority of Skype and lower the priority of P2P, for example. Many P2P systems are not well domesticated. RB Joe Touch wrote: -----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 Stanislav Shalunov wrote: Perhaps a picture will help clarify: home devices <-- ~25Mb/s (wifi) --> router <-- 100Mb/s --> homegate <-- 0.4 Mb/s --> Internet The router is the NAT. The homegate is the headend of the congested link. In a typical home situation, the router is a Linksys base station/NAT box and the homegate is something like a Motorola cable modem. In the typical home situation, I expect the wifi, router, and homegate all in one box (they are for everyone I know). Joe -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.9 (MingW32) Comment: Using GnuPG with Mozilla - http://enigmail.mozdev.org/ iEYEARECAAYFAkp/aWQACgkQE5f5cImnZrslLQCbBTyHL8THpjCYnfplIDtvVdA9 BLsAoLI9sOv2k0NQEEMwZkSapVdO72W7 =9gTY -----END PGP SIGNATURE----- _______________________________________________ homegate mailing list homeg...@ietf.org https://www.ietf.org/mailman/listinfo/homegate -- Richard Bennett Research Fellow Information Technology and Innovation Foundation Washington, DC