RFC Status Reference Notes
4506 <section begin=rfc4506status />Internet Standard 67<section end=rfc4506status /> <section begin=rfc4506ref />M. Eisler, ed. (May 2006). XDR: External Data Representation Standard. Network Working Group. doi:10.17487/RFC4506. STD 67. RFC 4506.<section end=rfc4506ref /> <section begin=rfc4506notes />Obsoletes RFC 1832.<section end=rfc4506notes />
4576 <section begin=rfc4576status />Proposed Standard<section end=rfc4576status /> <section begin=rfc4576ref />E. Rosen; P. Psenak; P. Pillay-Esnault (June 2006). Using a Link State Advertisement (LSA) Options Bit to Prevent Looping in BGP/MPLS IP Virtual Private Networks (VPNs). Network Working Group. doi:10.17487/RFC4576. RFC 4576.<section end=rfc4576ref /> <section begin=rfc4576notes /><section end=rfc4576notes />
4577 <section begin=rfc4577status />Proposed Standard<section end=rfc4577status /> <section begin=rfc4577ref />E. Rosen; P. Psenak; P. Pillay-Esnault (June 2006). OSPF as the Provider/Customer Edge Protocol for BGP/MPLS IP Virtual Private Networks (VPNs). Network Working Group. doi:10.17487/RFC4577. RFC 4577.<section end=rfc4577ref /> <section begin=rfc4577notes />Updates RFC 4364.<section end=rfc4577notes />
4578 <section begin=rfc4578status />Informational<section end=rfc4578status /> <section begin=rfc4578ref />M. Johnston (June 2006). S. Venaas (ed.). Dynamic Host Configuration Protocol (DHCP) Options for the Intel Preboot eXecution Environment (PXE). Network Working Group. doi:10.17487/RFC4578. RFC 4578.<section end=rfc4578ref /> <section begin=rfc4578notes /><section end=rfc4578notes />
4594 <section begin=rfc4594status />Informational<section end=rfc4594status /> <section begin=rfc4594ref />J. Babiarz; K. Chan; F. Baker (August 2006). Configuration Guidelines for DiffServ Service Classes. Network Working Group. doi:10.17487/RFC4594. STD 67. RFC 4594.<section end=rfc4594ref /> <section begin=rfc4594notes />Updated by RFC 5865 and 8622.<section end=rfc4594notes />