RFC Abstracts
RFC2482 - Language Tagging in Unicode Plain Text
This document proposed a mechanism for language tagging in plain text. This memo provides information for the Internet community.
RFC2481 - A Proposal to add Explicit Congestion Notification (ECN) to IP
This note describes a proposed addition of ECN (Explicit Congestion Notification) to IP. This memo defines an Experimental Protocol for the Internet community.
RFC2480 - Gateways and MIME Security Multiparts
This document examines the problems associated with use of MIME security multiparts and gateways to non-MIME environments. [STANDARDS-TRACK]
RFC2479 - Independent Data Unit Protection Generic Security Service Application Program Interface (IDUP-GSS-API)
The IDUP-GSS-API extends the GSS-API for applications requiring protection of a generic data unit (such as a file or message) in a way which is independent of the protection of any other data unit and independent of any concurrent contact with designated "receivers" of the data unit. This memo provides information for the Internet community.
RFC2478 - The Simple and Protected GSS-API Negotiation Mechanism
This document specifies a Security Negotiation Mechanism for the Generic Security Service Application Program Interface (GSS-API). [STANDARDS-TRACK]
RFC2477 - Criteria for Evaluating Roaming Protocols
This document describes requirements for the provisioning of "roaming capability" for dialup Internet users. "Roaming capability" is defined as the ability to use multiple Internet service providers (ISPs), while maintaining a formal, customer-vendor relationship with only one. This memo provides information for the Internet community.
RFC2476 - Message Submission
This memo describes a low cost, deterministic means for messages to be identified as submissions, and specifies what actions are to be taken by a submission server. [STANDARDS-TRACK]
RFC2475 - An Architecture for Differentiated Services
This document defines an architecture for implementing scalable service differentiation in the Internet. This memo provides information for the Internet community.
RFC2474 - Definition of the Differentiated Services Field (DS Field) in the IPv4 and IPv6 Headers
This document defines the IP header field, called the DS (for differentiated services) field. [STANDARDS-TRACK]
RFC2473 - Generic Packet Tunneling in IPv6 Specification
This document defines the model and generic mechanisms for IPv6 encapsulation of Internet packets, such as IPv6 and IPv4. [STANDARDS-TRACK]
RFC2472 - IP Version 6 over PPP
This document defines the method for transmission of IP Version 6 packets over PPP links as well as the Network Control Protocol (NCP) for establishing and configuring the IPv6 over PPP. It also specifies the method of forming IPv6 link-local addresses on PPP links. [STANDARDS-TRACK]
RFC2471 - IPv6 Testing Address Allocation
This document describes an allocation plan for IPv6 addresses to be used in testing IPv6 prototype software. This memo defines an Experimental Protocol for the Internet community.
RFC2470 - Transmission of IPv6 Packets over Token Ring Networks
This memo specifies the MTU and frame format for transmission of IPv6 packets on Token Ring networks. [STANDARDS-TRACK]
RFC2469 - A Caution On The Canonical Ordering Of Link-Layer Addresses
Protocols such as ARP and Neighbor Discovery have data fields that contain link-layer addresses. In order to interoperate properly, a sender setting such a field must insure that the receiver extracts those bits and interprets them correctly. In most cases, such fields must be in "canonical form". Unfortunately, not all LAN adaptors are consistent in their use of canonical form, and implementations may need to explicitly bit swap individual bytes in order to obtain the correct format. This document provides information to implementors to help them avoid the pitfall of using non-canonical forms when canonical forms are required. This memo provides information for the Internet community.
RFC2468 - I REMEMBER IANA
A long time ago, in a network, far far away, a great adventure took place!. This memo provides information for the Internet community.
RFC2467 - Transmission of IPv6 Packets over FDDI Networks
This document specifies the frame format for transmission of IPv6 packets and the method of forming IPv6 link-local addresses and statelessly autoconfigured addresses on FDDI networks. [STANDARDS-TRACK]
RFC2466 - Management Information Base for IP Version 6: ICMPv6 Group
This document is one in the series of documents that define various MIB object groups for IPv6. Specifically, the ICMPv6 group is defined in this document. [STANDARDS-TRACK]
RFC2465 - Management Information Base for IP Version 6: Textual Conventions and General Group
This document is one in the series of documents that provide MIB definitions for for IP Version 6. Specifically, the IPv6 MIB textual conventions as well as the IPv6 MIB General group is defined in this document. [STANDARDS-TRACK]
RFC2464 - Transmission of IPv6 Packets over Ethernet Networks
This document specifies the frame format for transmission of IPv6 packets and the method of forming IPv6 link-local addresses and statelessly autoconfigured addresses on Ethernet networks. It also specifies the content of the Source/Target Link-layer Address option used in Router Solicitation, Router Advertisement, Neighbor Solicitation, Neighbor Advertisement and Redirect messages when those messages are transmitted on an Ethernet. [STANDARDS-TRACK]
RFC2463 - Internet Control Message Protocol (ICMPv6) for the Internet Protocol Version 6 (IPv6) Specification
This document specifies a set of Internet Control Message Protocol (ICMP) messages for use with version 6 of the Internet Protocol (IPv6). [STANDARDS-TRACK]
RFC2462 - IPv6 Stateless Address Autoconfiguration
This document specifies the steps a host takes in deciding how to autoconfigure its interfaces in IP version 6. [STANDARDS-TRACK]
RFC2461 - Neighbor Discovery for IP Version 6 (IPv6)
This document specifies the Neighbor Discovery protocol for IP Version 6. [STANDARDS-TRACK]
RFC2460 - Internet Protocol, Version 6 (IPv6) Specification
This document specifies version 6 of the Internet Protocol (IPv6), also sometimes referred to as IP Next Generation or IPng. [STANDARDS-TRACK]
RFC2459 - Internet X.509 Public Key Infrastructure Certificate and CRL Profile
This memo profiles the X.509 v3 certificate and X.509 v2 CRL for use in the Internet. [STANDARDS-TRACK]
RFC2458 - Toward the PSTN/Internet Inter-Networking--Pre-PINT Implementations
This document contains the information relevant to the development of the inter-networking interfaces underway in the Public Switched Telephone Network (PSTN)/Internet Inter-Networking (PINT) Working Group. This memo provides information for the Internet community.
RFC2457 - Definitions of Managed Objects for Extended Border Node
This memo defines a portion of the Management Information Base (MIB) for use with network management protocols in the Internet community. In particular, it defines objects for monitoring and controlling network devices with APPN (Advanced Peer-to-Peer Network) EBN (Extended Border Node) capabilities. This memo identifies managed objects for the EBN architecture. [STANDARDS-TRACK]
RFC2456 - Definitions of Managed Objects for APPN TRAPS
This memo defines a portion of the Management Information Base (MIB) for use with network management protocols in the Internet community. In particular, it defines objects for receiving notifications from network devices with APPN (Advanced Peer-to-Peer Network) and DLUR (Dependent LU Requester) capabilities. This memo identifies notifications for the APPN and DLUR architecture. [STANDARDS-TRACK]
RFC2455 - Definitions of Managed Objects for APPN
This memo defines a portion of the Management Information Base (MIB) for use with network management protocols in the Internet community. In particular, it defines objects for monitoring and controlling network devices with APPN (Advanced Peer-to-Peer Networking) capabilities. This memo identifies managed objects for the APPN protocol. [STANDARDS-TRACK]
RFC2454 - IP Version 6 Management Information Base for the User Datagram Protocol
This document is one in the series of documents that define various MIB objects for IPv6. Specifically, this document is the MIB module which defines managed objects for implementations of the User Datagram Protocol (UDP) over IP Version 6 (IPv6). [STANDARDS-TRACK]
RFC2453 - RIP Version 2
This document specifies an extension of the Routing Information Protocol (RIP) to expand the amount of useful information carried in RIP messages and to add a measure of security. [STANDARDS-TRACK]
RFC2452 - IP Version 6 Management Information Base for the Transmission Control Protocol
This document is one in the series of documents that define various MIB objects for IPv6. Specifically, this document is the MIB module which defines managed objects for implementations of the Transmission Control Protocol (TCP) over IP Version 6 (IPv6). [STANDARDS-TRACK]
RFC2451 - The ESP CBC-Mode Cipher Algorithms
This document describes how to use CBC-mode cipher algorithms with the IPSec ESP (Encapsulating Security Payload) Protocol. It not only clearly states how to use certain cipher algorithms, but also how to use all CBC-mode cipher algorithms. [STANDARDS-TRACK]
RFC2450 - Proposed TLA and NLA Assignment Rule
This document proposes rules for Top-Level Aggregation Identifiers (TLA ID) and Next-Level Aggregation Identifiers (NLA ID). This memo provides information for the Internet community.
RFC2449 - POP3 Extension Mechanism
This memo updates RFC 1939 to define a mechanism to announce support for optional commands, extensions, and unconditional server behavior. [STANDARDS-TRACK]
RFC2448 - AT&T's Error Resilient Video Transmission Technique
This document describes a set of techniques for packet loss resilient transmission of compressed video bitstreams based on reliable delivery of their vital information-carrying segments. This memo provides information for the Internet community.
RFC2447 - iCalendar Message-Based Interoperability Protocol (iMIP)
This document specifies a binding from the iCalendar Transport- independent Interoperability Protocol (iTIP) to Internet email-based transports. [STANDARDS-TRACK]
RFC2446 - iCalendar Transport-Independent Interoperability Protocol (iTIP) Scheduling Events, BusyTime, To-dos and Journal Entries
This document specifies how calendaring systems use iCalendar objects to interoperate with other calendar systems. It does so in a general way so as to allow multiple methods of communication between systems. [STANDARDS-TRACK]
RFC2445 - Internet Calendaring and Scheduling Core Object Specification (iCalendar)
This memo has been defined to provide the definition of a common format for openly exchanging calendaring and scheduling information across the Internet. [STANDARDS-TRACK]
RFC2444 - The One-Time-Password SASL Mechanism
OTP provides a useful authentication mechanism for situations where there is limited client or server trust. Currently, OTP is added to protocols in an ad-hoc fashion with heuristic parsing. This specification defines an OTP SASL mechanism so it can be easily and formally integrated into many application protocols. [STANDARDS-TRACK]
RFC2443 - A Distributed MARS Service Using SCSP
This document describes a method for distributing a MARS service within a LIS. This method uses the Server Cache Synchronization Protocol (SCSP) to synchronize the MARS Server databases within a LIS. When SCSP is used to synchronize the caches of MARS Servers in a LIS, the LIS defines the boundary of an SCSP Server Group (SG). [STANDARDS-TRACK]
RFC2442 - The Batch SMTP Media Type
This document defines a MIME content type suitable for tunneling an ESMTP transaction through any MIME-capable transport. This memo provides information for the Internet community
RFC2441 - Working with Jon, Tribute delivered at UCLA, October 30, 1998
This memo provides information for the Internet community.
RFC2440 - OpenPGP Message Format
This document is maintained in order to publish all necessary information needed to develop interoperable applications based on the OpenPGP format. [STANDARDS-TRACK]
RFC2439 - BGP Route Flap Damping
A usage of the BGP routing protocol is described which is capable of reducing the routing traffic passed on to routing peers and therefore the load on these peers without adversely affecting route convergence time for relatively stable routes. [STANDARDS-TRACK]
RFC2438 - Advancement of MIB specifications on the IETF Standards Track
This document specifies the process which the IESG will use to determine if a MIB specification document meets these requirements. It also discusses the rationale for this process. This document specifies an Internet Best Current Practices for the Internet Community, and requests discussion and suggestions for improvements.
RFC2437 - PKCS #1: RSA Cryptography Specifications Version 2.0
This memo is the successor to RFC 2313. This document provides recommendations for the implementation of public-key cryptography based on the RSA algorithm. This memo provides information for the Internet community.
RFC2436 - Collaboration between ISOC/IETF and ITU-T
This document describes the collaboration process between the ITU-T and ISOC/IETF. This memo provides information for the Internet community.
RFC2435 - RTP Payload Format for JPEG-compressed Video
This memo describes the RTP payload format for JPEG video streams. [STANDARDS-TRACK]
RFC2434 - Guidelines for Writing an IANA Considerations Section in RFCs
This document discusses issues that should be considered in formulating a policy for assigning values to a name space and provides guidelines to document authors on the specific text that must be included in documents that place demands on the IANA. This document specifies an Internet Best Current Practices for the Internet Community, and requests discussion and suggestions for improvements.
RFC2433 - Microsoft PPP CHAP Extensions
The Point-to-Point Protocol (PPP) provides a standard method for transporting multi-protocol datagrams over point-to-point links. PPP defines an extensible Link Control Protocol and a family of Network Control Protocols (NCPs) for establishing and configuring different network-layer protocols. This memo provides information for the Internet community.
This document proposed a mechanism for language tagging in plain text. This memo provides information for the Internet community.
RFC2481 - A Proposal to add Explicit Congestion Notification (ECN) to IP
This note describes a proposed addition of ECN (Explicit Congestion Notification) to IP. This memo defines an Experimental Protocol for the Internet community.
RFC2480 - Gateways and MIME Security Multiparts
This document examines the problems associated with use of MIME security multiparts and gateways to non-MIME environments. [STANDARDS-TRACK]
RFC2479 - Independent Data Unit Protection Generic Security Service Application Program Interface (IDUP-GSS-API)
The IDUP-GSS-API extends the GSS-API for applications requiring protection of a generic data unit (such as a file or message) in a way which is independent of the protection of any other data unit and independent of any concurrent contact with designated "receivers" of the data unit. This memo provides information for the Internet community.
RFC2478 - The Simple and Protected GSS-API Negotiation Mechanism
This document specifies a Security Negotiation Mechanism for the Generic Security Service Application Program Interface (GSS-API). [STANDARDS-TRACK]
RFC2477 - Criteria for Evaluating Roaming Protocols
This document describes requirements for the provisioning of "roaming capability" for dialup Internet users. "Roaming capability" is defined as the ability to use multiple Internet service providers (ISPs), while maintaining a formal, customer-vendor relationship with only one. This memo provides information for the Internet community.
RFC2476 - Message Submission
This memo describes a low cost, deterministic means for messages to be identified as submissions, and specifies what actions are to be taken by a submission server. [STANDARDS-TRACK]
RFC2475 - An Architecture for Differentiated Services
This document defines an architecture for implementing scalable service differentiation in the Internet. This memo provides information for the Internet community.
RFC2474 - Definition of the Differentiated Services Field (DS Field) in the IPv4 and IPv6 Headers
This document defines the IP header field, called the DS (for differentiated services) field. [STANDARDS-TRACK]
RFC2473 - Generic Packet Tunneling in IPv6 Specification
This document defines the model and generic mechanisms for IPv6 encapsulation of Internet packets, such as IPv6 and IPv4. [STANDARDS-TRACK]
RFC2472 - IP Version 6 over PPP
This document defines the method for transmission of IP Version 6 packets over PPP links as well as the Network Control Protocol (NCP) for establishing and configuring the IPv6 over PPP. It also specifies the method of forming IPv6 link-local addresses on PPP links. [STANDARDS-TRACK]
RFC2471 - IPv6 Testing Address Allocation
This document describes an allocation plan for IPv6 addresses to be used in testing IPv6 prototype software. This memo defines an Experimental Protocol for the Internet community.
RFC2470 - Transmission of IPv6 Packets over Token Ring Networks
This memo specifies the MTU and frame format for transmission of IPv6 packets on Token Ring networks. [STANDARDS-TRACK]
RFC2469 - A Caution On The Canonical Ordering Of Link-Layer Addresses
Protocols such as ARP and Neighbor Discovery have data fields that contain link-layer addresses. In order to interoperate properly, a sender setting such a field must insure that the receiver extracts those bits and interprets them correctly. In most cases, such fields must be in "canonical form". Unfortunately, not all LAN adaptors are consistent in their use of canonical form, and implementations may need to explicitly bit swap individual bytes in order to obtain the correct format. This document provides information to implementors to help them avoid the pitfall of using non-canonical forms when canonical forms are required. This memo provides information for the Internet community.
RFC2468 - I REMEMBER IANA
A long time ago, in a network, far far away, a great adventure took place!. This memo provides information for the Internet community.
RFC2467 - Transmission of IPv6 Packets over FDDI Networks
This document specifies the frame format for transmission of IPv6 packets and the method of forming IPv6 link-local addresses and statelessly autoconfigured addresses on FDDI networks. [STANDARDS-TRACK]
RFC2466 - Management Information Base for IP Version 6: ICMPv6 Group
This document is one in the series of documents that define various MIB object groups for IPv6. Specifically, the ICMPv6 group is defined in this document. [STANDARDS-TRACK]
RFC2465 - Management Information Base for IP Version 6: Textual Conventions and General Group
This document is one in the series of documents that provide MIB definitions for for IP Version 6. Specifically, the IPv6 MIB textual conventions as well as the IPv6 MIB General group is defined in this document. [STANDARDS-TRACK]
RFC2464 - Transmission of IPv6 Packets over Ethernet Networks
This document specifies the frame format for transmission of IPv6 packets and the method of forming IPv6 link-local addresses and statelessly autoconfigured addresses on Ethernet networks. It also specifies the content of the Source/Target Link-layer Address option used in Router Solicitation, Router Advertisement, Neighbor Solicitation, Neighbor Advertisement and Redirect messages when those messages are transmitted on an Ethernet. [STANDARDS-TRACK]
RFC2463 - Internet Control Message Protocol (ICMPv6) for the Internet Protocol Version 6 (IPv6) Specification
This document specifies a set of Internet Control Message Protocol (ICMP) messages for use with version 6 of the Internet Protocol (IPv6). [STANDARDS-TRACK]
RFC2462 - IPv6 Stateless Address Autoconfiguration
This document specifies the steps a host takes in deciding how to autoconfigure its interfaces in IP version 6. [STANDARDS-TRACK]
RFC2461 - Neighbor Discovery for IP Version 6 (IPv6)
This document specifies the Neighbor Discovery protocol for IP Version 6. [STANDARDS-TRACK]
RFC2460 - Internet Protocol, Version 6 (IPv6) Specification
This document specifies version 6 of the Internet Protocol (IPv6), also sometimes referred to as IP Next Generation or IPng. [STANDARDS-TRACK]
RFC2459 - Internet X.509 Public Key Infrastructure Certificate and CRL Profile
This memo profiles the X.509 v3 certificate and X.509 v2 CRL for use in the Internet. [STANDARDS-TRACK]
RFC2458 - Toward the PSTN/Internet Inter-Networking--Pre-PINT Implementations
This document contains the information relevant to the development of the inter-networking interfaces underway in the Public Switched Telephone Network (PSTN)/Internet Inter-Networking (PINT) Working Group. This memo provides information for the Internet community.
RFC2457 - Definitions of Managed Objects for Extended Border Node
This memo defines a portion of the Management Information Base (MIB) for use with network management protocols in the Internet community. In particular, it defines objects for monitoring and controlling network devices with APPN (Advanced Peer-to-Peer Network) EBN (Extended Border Node) capabilities. This memo identifies managed objects for the EBN architecture. [STANDARDS-TRACK]
RFC2456 - Definitions of Managed Objects for APPN TRAPS
This memo defines a portion of the Management Information Base (MIB) for use with network management protocols in the Internet community. In particular, it defines objects for receiving notifications from network devices with APPN (Advanced Peer-to-Peer Network) and DLUR (Dependent LU Requester) capabilities. This memo identifies notifications for the APPN and DLUR architecture. [STANDARDS-TRACK]
RFC2455 - Definitions of Managed Objects for APPN
This memo defines a portion of the Management Information Base (MIB) for use with network management protocols in the Internet community. In particular, it defines objects for monitoring and controlling network devices with APPN (Advanced Peer-to-Peer Networking) capabilities. This memo identifies managed objects for the APPN protocol. [STANDARDS-TRACK]
RFC2454 - IP Version 6 Management Information Base for the User Datagram Protocol
This document is one in the series of documents that define various MIB objects for IPv6. Specifically, this document is the MIB module which defines managed objects for implementations of the User Datagram Protocol (UDP) over IP Version 6 (IPv6). [STANDARDS-TRACK]
RFC2453 - RIP Version 2
This document specifies an extension of the Routing Information Protocol (RIP) to expand the amount of useful information carried in RIP messages and to add a measure of security. [STANDARDS-TRACK]
RFC2452 - IP Version 6 Management Information Base for the Transmission Control Protocol
This document is one in the series of documents that define various MIB objects for IPv6. Specifically, this document is the MIB module which defines managed objects for implementations of the Transmission Control Protocol (TCP) over IP Version 6 (IPv6). [STANDARDS-TRACK]
RFC2451 - The ESP CBC-Mode Cipher Algorithms
This document describes how to use CBC-mode cipher algorithms with the IPSec ESP (Encapsulating Security Payload) Protocol. It not only clearly states how to use certain cipher algorithms, but also how to use all CBC-mode cipher algorithms. [STANDARDS-TRACK]
RFC2450 - Proposed TLA and NLA Assignment Rule
This document proposes rules for Top-Level Aggregation Identifiers (TLA ID) and Next-Level Aggregation Identifiers (NLA ID). This memo provides information for the Internet community.
RFC2449 - POP3 Extension Mechanism
This memo updates RFC 1939 to define a mechanism to announce support for optional commands, extensions, and unconditional server behavior. [STANDARDS-TRACK]
RFC2448 - AT&T's Error Resilient Video Transmission Technique
This document describes a set of techniques for packet loss resilient transmission of compressed video bitstreams based on reliable delivery of their vital information-carrying segments. This memo provides information for the Internet community.
RFC2447 - iCalendar Message-Based Interoperability Protocol (iMIP)
This document specifies a binding from the iCalendar Transport- independent Interoperability Protocol (iTIP) to Internet email-based transports. [STANDARDS-TRACK]
RFC2446 - iCalendar Transport-Independent Interoperability Protocol (iTIP) Scheduling Events, BusyTime, To-dos and Journal Entries
This document specifies how calendaring systems use iCalendar objects to interoperate with other calendar systems. It does so in a general way so as to allow multiple methods of communication between systems. [STANDARDS-TRACK]
RFC2445 - Internet Calendaring and Scheduling Core Object Specification (iCalendar)
This memo has been defined to provide the definition of a common format for openly exchanging calendaring and scheduling information across the Internet. [STANDARDS-TRACK]
RFC2444 - The One-Time-Password SASL Mechanism
OTP provides a useful authentication mechanism for situations where there is limited client or server trust. Currently, OTP is added to protocols in an ad-hoc fashion with heuristic parsing. This specification defines an OTP SASL mechanism so it can be easily and formally integrated into many application protocols. [STANDARDS-TRACK]
RFC2443 - A Distributed MARS Service Using SCSP
This document describes a method for distributing a MARS service within a LIS. This method uses the Server Cache Synchronization Protocol (SCSP) to synchronize the MARS Server databases within a LIS. When SCSP is used to synchronize the caches of MARS Servers in a LIS, the LIS defines the boundary of an SCSP Server Group (SG). [STANDARDS-TRACK]
RFC2442 - The Batch SMTP Media Type
This document defines a MIME content type suitable for tunneling an ESMTP transaction through any MIME-capable transport. This memo provides information for the Internet community
RFC2441 - Working with Jon, Tribute delivered at UCLA, October 30, 1998
This memo provides information for the Internet community.
RFC2440 - OpenPGP Message Format
This document is maintained in order to publish all necessary information needed to develop interoperable applications based on the OpenPGP format. [STANDARDS-TRACK]
RFC2439 - BGP Route Flap Damping
A usage of the BGP routing protocol is described which is capable of reducing the routing traffic passed on to routing peers and therefore the load on these peers without adversely affecting route convergence time for relatively stable routes. [STANDARDS-TRACK]
RFC2438 - Advancement of MIB specifications on the IETF Standards Track
This document specifies the process which the IESG will use to determine if a MIB specification document meets these requirements. It also discusses the rationale for this process. This document specifies an Internet Best Current Practices for the Internet Community, and requests discussion and suggestions for improvements.
RFC2437 - PKCS #1: RSA Cryptography Specifications Version 2.0
This memo is the successor to RFC 2313. This document provides recommendations for the implementation of public-key cryptography based on the RSA algorithm. This memo provides information for the Internet community.
RFC2436 - Collaboration between ISOC/IETF and ITU-T
This document describes the collaboration process between the ITU-T and ISOC/IETF. This memo provides information for the Internet community.
RFC2435 - RTP Payload Format for JPEG-compressed Video
This memo describes the RTP payload format for JPEG video streams. [STANDARDS-TRACK]
RFC2434 - Guidelines for Writing an IANA Considerations Section in RFCs
This document discusses issues that should be considered in formulating a policy for assigning values to a name space and provides guidelines to document authors on the specific text that must be included in documents that place demands on the IANA. This document specifies an Internet Best Current Practices for the Internet Community, and requests discussion and suggestions for improvements.
RFC2433 - Microsoft PPP CHAP Extensions
The Point-to-Point Protocol (PPP) provides a standard method for transporting multi-protocol datagrams over point-to-point links. PPP defines an extensible Link Control Protocol and a family of Network Control Protocols (NCPs) for establishing and configuring different network-layer protocols. This memo provides information for the Internet community.