RFC Abstracts

RFC7277 - A YANG Data Model for IP Management
This document defines a YANG data model for management of IP implementations. The data model includes configuration data and state data.
RFC7276 - An Overview of Operations, Administration, and Maintenance (OAM) Tools
Operations, Administration, and Maintenance (OAM) is a general term that refers to a toolset for fault detection and isolation, and for performance measurement. Over the years, various OAM tools have been defined for various layers in the protocol stack.
RFC7275 - Inter-Chassis Communication Protocol for Layer 2 Virtual Private Network (L2VPN) Provider Edge (PE) Redundancy
This document specifies an Inter-Chassis Communication Protocol (ICCP) that enables Provider Edge (PE) device redundancy for Virtual Private Wire Service (VPWS) and Virtual Private LAN Service (VPLS) applications. The protocol runs within a set of two or more PEs, forming a Redundancy Group, for the purpose of synchronizing data among the systems. It accommodates multi-chassis attachment circuit redundancy mechanisms as well as pseudowire redundancy mechanisms.
RFC7274 - Allocating and Retiring Special-Purpose MPLS Labels
Some MPLS labels have been allocated for specific purposes. A block of labels (0-15) has been set aside to this end; these labels are commonly called "reserved labels". They will be called "special-purpose labels" in this document.
RFC7273 - RTP Clock Source Signalling
NTP format timestamps are used by several RTP protocols for synchronisation and statistical measurements. This memo specifies Session Description Protocol (SDP) signalling that identifies timestamp reference clock sources and SDP signalling that identifies the media clock sources in a multimedia session.
RFC7272 - Inter-Destination Media Synchronization (IDMS) Using the RTP Control Protocol (RTCP)
This document defines a new RTP Control Protocol (RTCP) Packet Type and an RTCP Extended Report (XR) Block Type to be used for achieving Inter-Destination Media Synchronization (IDMS). IDMS is the process of synchronizing playout across multiple media receivers. Using the RTCP XR IDMS Report Block defined in this document, media playout information from participants in a synchronization group can be collected. Based on the collected information, an RTCP IDMS Settings Packet can then be sent to distribute a common target playout point to which all the distributed receivers, sharing a media experience, can synchronize.
RFC7271 - MPLS Transport Profile (MPLS-TP) Linear Protection to Match the Operational Expectations of Synchronous Digital Hierarchy, Optical Transport Network, and Ethernet Transport Network Operators
This document describes alternate mechanisms to perform some of the functions of MPLS Transport Profile (MPLS-TP) linear protection defined in RFC 6378, and also defines additional mechanisms. The purpose of these alternate and additional mechanisms is to provide operator control and experience that more closely models the behavior of linear protection seen in other transport networks.
RFC7270 - Cisco-Specific Information Elements Reused in IP Flow Information Export (IPFIX)
This document describes some additional IP Flow Information Export (IPFIX) Information Elements in the range of 1-127, which is the range compatible with field types used by NetFlow version 9 in RFC 3954, as specified in the IPFIX Information Model in RFC 7012.
RFC7269 - NAT64 Deployment Options and Experience
This document summarizes NAT64 function deployment scenarios and operational experience. Both NAT64 Carrier-Grade NAT (NAT64-CGN) and NAT64 server Front End (NAT64-FE) are considered in this document.
RFC7268 - RADIUS Attributes for IEEE 802 Networks
RFC 3580 provides guidelines for the use of the Remote Authentication Dial-In User Service (RADIUS) within IEEE 802 local area networks (LANs). This document defines additional attributes for use within IEEE 802 networks and clarifies the usage of the EAP-Key-Name Attribute and the Called-Station-Id Attribute. This document updates RFCs 3580 and 4072.
RFC7267 - Dynamic Placement of Multi-Segment Pseudowires
RFC 5254 describes the service provider requirements for extending the reach of pseudowires (PWs) across multiple Packet Switched Network domains. A multi-segment PW is defined as a set of two or more contiguous PW segments that behave and function as a single point-to-point PW. This document describes extensions to the PW control protocol to dynamically place the segments of the multi-segment pseudowire among a set of Provider Edge (PE) routers. This document also updates RFC 6073 by updating the value of the Length field of the PW Switching Point PE Sub-TLV Type 0x06 to 14.
RFC7266 - RTP Control Protocol (RTCP) Extended Report (XR) Blocks for Mean Opinion Score (MOS) Metric Reporting
This document defines an RTP Control Protocol (RTCP) Extended Report (XR) Block including two new segment types and associated Session Description Protocol (SDP) parameters that allow the reporting of mean opinion score (MOS) Metrics for use in a range of RTP applications.
RFC7265 - jCal: The JSON Format for iCalendar
This specification defines "jCal", a JSON format for iCalendar data. The iCalendar data format is a text format for capturing and exchanging information normally stored within a calendaring and scheduling application, for example, tasks and events. JSON is a lightweight, text-based, language-independent data interchange format commonly used in Internet applications.
RFC7264 - An Extension to the REsource LOcation And Discovery (RELOAD) Protocol to Support Relay Peer Routing
This document defines an optional extension to the REsource LOcation And Discovery (RELOAD) protocol to support the relay peer routing mode. RELOAD recommends symmetric recursive routing for routing messages. The new optional extension provides a shorter route for responses, thereby reducing overhead on intermediate peers. This document also describes potential cases where this extension can be used.
RFC7263 - An Extension to the REsource LOcation And Discovery (RELOAD) Protocol to Support Direct Response Routing
This document defines an optional extension to the REsource LOcation And Discovery (RELOAD) protocol to support the direct response routing mode. RELOAD recommends symmetric recursive routing for routing messages. The new optional extension provides a shorter route for responses, thereby reducing overhead on intermediate peers. This document also describes potential cases where this extension can be used.
RFC7262 - Requirements for Telepresence Multistreams
This memo discusses the requirements for specifications that enable telepresence interoperability by describing behaviors and protocols for Controlling Multiple Streams for Telepresence (CLUE). In addition, the problem statement and related definitions are also covered herein.
RFC7261 - Offer/Answer Considerations for G723 Annex A and G729 Annex B
This document provides the offer/answer considerations for the annexa parameter of G723 and the annexb parameter of G729, G729D, and G729E when the value of the annexa or annexb parameter does not match in the Session Description Protocol (SDP) offer and answer.
RFC7260 - GMPLS RSVP-TE Extensions for Operations, Administration, and Maintenance (OAM) Configuration
Operations, Administration, and Maintenance (OAM) is an integral part of transport connections; hence, it is required that OAM functions be activated/deactivated in sync with connection commissioning/ decommissioning, in order to avoid spurious alarms and ensure consistent operation. In certain technologies, OAM entities are inherently established once the connection is set up, while other technologies require extra configuration to establish and configure OAM entities. This document specifies extensions to Resource Reservation Protocol - Traffic Engineering (RSVP-TE) to support the establishment and configuration of OAM entities along with Label Switched Path signaling.
RFC7259 - The Jabber-ID Header Field
This document defines a header field that enables the author of an email or netnews message to include a Jabber ID in the message header block for the purpose of associating the author with a particular Extensible Messaging and Presence Protocol (XMPP) address.
RFC7258 - Pervasive Monitoring Is an Attack
Pervasive monitoring is a technical attack that should be mitigated in the design of IETF protocols, where possible.
RFC7257 - Virtual Private LAN Service (VPLS) Management Information Base
This memo defines a portion of the Management Information Base (MIB) for use with network management protocols in the Internet community. In particular, it describes managed objects to configure and/or monitor Virtual Private LAN services. It needs to be used in conjunction with the Pseudowire (PW) Management Information Base (PW-STD-MIB from RFC 5601).
RFC7256 - Multicast Control Extensions for the Access Node Control Protocol (ANCP)
This document specifies the extensions to the Access Node Control Protocol (ANCP) (RFC 6320) required for support of the multicast use cases defined in the Access Node Control Protocol framework document (RFC 5851) and one additional use case described in this document. These use cases are organized into the following ANCP capabilities:
RFC7255 - Using the International Mobile station Equipment Identity (IMEI) Uniform Resource Name (URN) as an Instance ID
This specification defines how the Uniform Resource Name (URN) reserved for the Global System for Mobile Communications Association (GSMA) identities and its sub-namespace for the International Mobile station Equipment Identity (IMEI) can be used as an instance-id. Its purpose is to fulfill the requirements for defining how a specific URN needs to be constructed and used in the '+sip.instance' Contact header field parameter for outbound behavior.
RFC7254 - A Uniform Resource Name Namespace for the Global System for Mobile Communications Association (GSMA) and the International Mobile station Equipment Identity (IMEI)
This specification defines a Uniform Resource Name (URN) namespace for the Global System for Mobile Communications Association (GSMA) and a Namespace Specific String (NSS) for the International Mobile station Equipment Identity (IMEI), as well as an associated parameter for the International Mobile station Equipment Identity and Software Version number (IMEISV). The IMEI and IMEISV were introduced as part of the specification for the GSM and are also now incorporated by the 3rd Generation Partnership Project (3GPP) as part of the 3GPP specification for GSM, Universal Mobile Telecommunications System (UMTS), and 3GPP Long Term Evolution (LTE) networks. The IMEI and IMEISV are used to uniquely identify Mobile Equipment within these systems and are managed by the GSMA. URNs from this namespace almost always contain personally identifiable information and need to be treated accordingly.
RFC7253 - The OCB Authenticated-Encryption Algorithm
This document specifies OCB, a shared-key blockcipher-based encryption scheme that provides confidentiality and authenticity for plaintexts and authenticity for associated data. This document is a product of the Crypto Forum Research Group (CFRG).
RFC7252 - The Constrained Application Protocol (CoAP)
The Constrained Application Protocol (CoAP) is a specialized web transfer protocol for use with constrained nodes and constrained (e.g., low-power, lossy) networks. The nodes often have 8-bit microcontrollers with small amounts of ROM and RAM, while constrained networks such as IPv6 over Low-Power Wireless Personal Area Networks (6LoWPANs) often have high packet error rates and a typical throughput of 10s of kbit/s. The protocol is designed for machine- to-machine (M2M) applications such as smart energy and building automation.
RFC7251 - AES-CCM Elliptic Curve Cryptography (ECC) Cipher Suites for TLS
This memo describes the use of the Advanced Encryption Standard (AES) in the Counter and CBC-MAC Mode (CCM) of operation within Transport Layer Security (TLS) to provide confidentiality and data-origin authentication. The AES-CCM algorithm is amenable to compact implementations, making it suitable for constrained environments, while at the same time providing a high level of security. The cipher suites defined in this document use Elliptic Curve Cryptography (ECC) and are advantageous in networks with limited bandwidth.
RFC7250 - Using Raw Public Keys in Transport Layer Security (TLS) and Datagram Transport Layer Security (DTLS)
This document specifies a new certificate type and two TLS extensions for exchanging raw public keys in Transport Layer Security (TLS) and Datagram Transport Layer Security (DTLS). The new certificate type allows raw public keys to be used for authentication.
RFC7249 - Internet Numbers Registries
RFC 7020 provides information about the Internet Numbers Registry System and how it is used in the distribution of autonomous system (AS) numbers and globally unique unicast Internet Protocol (IP) address space.
RFC7248 - Interworking between the Session Initiation Protocol (SIP) and the Extensible Messaging and Presence Protocol (XMPP): Presence
This document defines a bidirectional protocol mapping for the exchange of presence information between the Session Initiation Protocol (SIP) and the Extensible Messaging and Presence Protocol (XMPP).
RFC7247 - Interworking between the Session Initiation Protocol (SIP) and the Extensible Messaging and Presence Protocol (XMPP): Architecture, Addresses, and Error Handling
As a foundation for the definition of bidirectional protocol mappings between the Session Initiation Protocol (SIP) and the Extensible Messaging and Presence Protocol (XMPP), this document specifies the architectural assumptions underlying such mappings as well as the mapping of addresses and error conditions.
RFC7246 - Multipoint Label Distribution Protocol In-Band Signaling in a Virtual Routing and Forwarding (VRF) Table Context
An IP Multicast Distribution Tree (MDT) may traverse both label switching (i.e., Multiprotocol Label Switching, or MPLS) and non-label switching regions of a network. Typically, the MDT begins and ends in non-MPLS regions, but travels through an MPLS region. In such cases, it can be useful to begin building the MDT as a pure IP MDT, then convert it to an MPLS Multipoint Label Switched Path (MP-LSP) when it enters an MPLS-enabled region, and then convert it back to a pure IP MDT when it enters a non-MPLS-enabled region. Other documents specify the procedures for building such a hybrid MDT, using Protocol Independent Multicast (PIM) in the non-MPLS region of the network, and using Multipoint Label Distribution Protocol (mLDP) in the MPLS region. This document extends those procedures to handle the case where the link connecting the two regions is a Virtual Routing and Forwarding (VRF) table link, as defined in the "BGP IP/MPLS VPN" specification. However, this document is primarily aimed at particular use cases where VRFs are used to support multicast applications other than multicast VPN.
RFC7245 - An Architecture for Media Recording Using the Session Initiation Protocol
Session recording is a critical requirement in many communications environments such as call centers and financial trading. In some of these environments, all calls must be recorded for regulatory, compliance, and consumer protection reasons. Recording of a session is typically performed by sending a copy of a media stream to a recording device. This document describes architectures for deploying session recording solutions in an environment that is based on the Session Initiation Protocol (SIP).
RFC7244 - RTP Control Protocol (RTCP) Extended Report (XR) Blocks for Synchronization Delay and Offset Metrics Reporting
This document defines two RTP Control Protocol (RTCP) Extended Report (XR) blocks that allow the reporting of initial synchronization delay and synchronization offset metrics for use in a range of RTP applications.
RFC7243 - RTP Control Protocol (RTCP) Extended Report (XR) Block for the Bytes Discarded Metric
The RTP Control Protocol (RTCP) is used in conjunction with the Real-time Transport Protocol (RTP) to provide a variety of short-term and long-term reception statistics. The available reporting may include aggregate information across longer periods of time as well as individual packet reporting. This document specifies a report computing the bytes discarded from the de-jitter buffer after successful reception.
RFC7242 - Delay-Tolerant Networking TCP Convergence-Layer Protocol
This document describes the protocol for the TCP-based convergence layer for Delay-Tolerant Networking (DTN). It is the product of the IRTF's DTN Research Group (DTNRG).
RFC7241 - The IEEE 802/IETF Relationship
This document describes the standardization cooperation between Project 802 of the Institute of Electrical and Electronics Engineers (IEEE) and the Internet Engineering Task Force (IETF). This document obsoletes RFC 4441.
RFC7240 - Prefer Header for HTTP
This specification defines an HTTP header field that can be used by a client to request that certain behaviors be employed by a server while processing a request.
RFC7239 - Forwarded HTTP Extension
This document defines an HTTP extension header field that allows proxy components to disclose information lost in the proxying process, for example, the originating IP address of a request or IP address of the proxy on the user-agent-facing interface. In a path of proxying components, this makes it possible to arrange it so that each subsequent component will have access to, for example, all IP addresses used in the chain of proxied HTTP requests.
RFC7238 - The Hypertext Transfer Protocol Status Code 308 (Permanent Redirect)
This document specifies the additional Hypertext Transfer Protocol (HTTP) status code 308 (Permanent Redirect).
RFC7237 - Initial Hypertext Transfer Protocol (HTTP) Method Registrations
This document registers those Hypertext Transfer Protocol (HTTP) methods that have been defined in RFCs before the IANA HTTP Method Registry was established.
RFC7236 - Initial Hypertext Transfer Protocol (HTTP) Authentication Scheme Registrations
This document registers Hypertext Transfer Protocol (HTTP) authentication schemes that have been defined in RFCs before the IANA HTTP Authentication Scheme Registry was established.
RFC7235 - Hypertext Transfer Protocol (HTTP/1.1): Authentication
The Hypertext Transfer Protocol (HTTP) is a stateless application- level protocol for distributed, collaborative, hypermedia information systems. This document defines the HTTP Authentication framework.
RFC7234 - Hypertext Transfer Protocol (HTTP/1.1): Caching
The Hypertext Transfer Protocol (HTTP) is a stateless \%application- level protocol for distributed, collaborative, hypertext information systems. This document defines HTTP caches and the associated header fields that control cache behavior or indicate cacheable response messages.
RFC7233 - Hypertext Transfer Protocol (HTTP/1.1): Range Requests
The Hypertext Transfer Protocol (HTTP) is a stateless application- level protocol for distributed, collaborative, hypertext information systems. This document defines range requests and the rules for constructing and combining responses to those requests.
RFC7232 - Hypertext Transfer Protocol (HTTP/1.1): Conditional Requests
The Hypertext Transfer Protocol (HTTP) is a stateless application- level protocol for distributed, collaborative, hypertext information systems. This document defines HTTP/1.1 conditional requests, including metadata header fields for indicating state changes, request header fields for making preconditions on such state, and rules for constructing the responses to a conditional request when one or more preconditions evaluate to false.
RFC7231 - Hypertext Transfer Protocol (HTTP/1.1): Semantics and Content
The Hypertext Transfer Protocol (HTTP) is a stateless \%application- level protocol for distributed, collaborative, hypertext information systems. This document defines the semantics of HTTP/1.1 messages, as expressed by request methods, request header fields, response status codes, and response header fields, along with the payload of messages (metadata and body content) and mechanisms for content negotiation.
RFC7230 - Hypertext Transfer Protocol (HTTP/1.1): Message Syntax and Routing
The Hypertext Transfer Protocol (HTTP) is a stateless application-level protocol for distributed, collaborative, hypertext information systems. This document provides an overview of HTTP architecture and its associated terminology, defines the "http" and "https" Uniform Resource Identifier (URI) schemes, defines the HTTP/1.1 message syntax and parsing requirements, and describes related security concerns for implementations.
RFC7229 - Object Identifiers for Test Certificate Policies
This document provides several certificate policy identifiers for testing certificate handling software.
RFC7228 - Terminology for Constrained-Node Networks
The Internet Protocol Suite is increasingly used on small devices with severe constraints on power, memory, and processing resources, creating constrained-node networks. This document provides a number of basic terms that have been useful in the standardization work for constrained-node networks.