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This document analyzes the security implications of IPv6 Extension Headers and associated IPv6 options. Additionally, it discusses the operational and interoperability implications of discarding packets based on the IPv6 Extension Headers and IPv6 options they contain. Finally, it provides advice on the filtering of such IPv6 packets at transit routers for traffic not directed to them, for those cases where such filtering is deemed as necessary.
This document describes a method for negotiating the ability to send an arbitrary value for the second-most significant bit in QUIC packets.
This document defines a "manifest" for use in the Resource Public Key Infrastructure (RPKI). A manifest is a signed object (file) that contains a listing of all the signed objects (files) in the repository publication point (directory) associated with an authority responsible for publishing in the repository. For each certificate, Certificate Revocation List (CRL), or other type of signed objects issued by the authority that are published at this repository publication point, the...
This document describes the Base45 encoding scheme, which is built upon the Base64, Base32, and Base16 encoding schemes.
This document discusses multihoming considerations for DDoS Open Threat Signaling (DOTS). The goal is to provide some guidance for DOTS clients and client-domain DOTS gateways when multihomed.
This document updates the IAB Charter (RFC 2850) to be consistent with version 3 of the RFC Editor Model (RFC 9280).
In RFC 9280, responsibility for the RFC Series moved to the RFC Series Working Group and the RFC Series Approval Board. It is no longer the responsibility of the RFC Editor, and the role of the IAB in the RFC Series is altered. Accordingly, in Section 2.1 of RFC 2026, the sentence "RFC publication is the direct responsibility of the RFC Editor, under the general direction of the IAB" is deleted.
This document describes the individuals and organizations involved in the IETF standards process, as described in BCP 9. It includes brief descriptions of the entities involved and the role they play in the standards process.
This document specifies version 3 of the RFC Editor Model. The model defines two high-level tasks related to the RFC Series. First, policy definition is the joint responsibility of the RFC Series Working Group (RSWG), which produces policy proposals, and the RFC Series Approval Board (RSAB), which approves such proposals. Second, policy implementation is primarily the responsibility of the RFC Production Center (RPC) as contractually overseen by the IETF Administration Limited Liability Company...
This document specifies a generic mechanism to extend IGMPv3 and Multicast Listener Discovery Version 2 (MLDv2) by using a list of TLVs (Type, Length, and Value).
This specification registers a kind of URI that represents a JSON Web Key (JWK) Thumbprint value. JWK Thumbprints are defined in RFC 7638. This enables JWK Thumbprints to be used, for instance, as key identifiers in contexts requiring URIs.
This document defines a stored ("file") format for Concise Binary Object Representation (CBOR) data items that is friendly to common systems that recognize file types, such as the Unix file(1) command.
NSEC3 is a DNSSEC mechanism providing proof of nonexistence by asserting that there are no names that exist between two domain names within a zone. Unlike its counterpart NSEC, NSEC3 avoids directly disclosing the bounding domain name pairs. This document provides guidance on setting NSEC3 parameters based on recent operational deployment experience. This document updates RFC 5155 with guidance about selecting NSEC3 iteration and salt parameters.
This document is an extension to the base Application-Layer Traffic Optimization (ALTO) protocol. It extends the ALTO cost map and ALTO property map services so that an application can decide to which endpoint(s) to connect based not only on numerical/ordinal cost values but also on fine-grained abstract information regarding the paths. This is useful for applications whose performance is impacted by specific components of a network on the end-to-end paths, e.g., they may infer that several...
This document creates a new IANA registry for tracking cost modes supported by the Application-Layer Traffic Optimization (ALTO) Protocol. Also, this document relaxes a constraint that was imposed by the ALTO specification on allowed cost mode values.
RFCs
Network Coding for Content-Centric Networking / Named Data Networking: Considerations and Challenges
Jan 27, 2023
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K. Matsuzono
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This document describes the current research outcomes in Network Coding (NC) for Content-Centric Networking (CCNx) / Named Data Networking (NDN) and clarifies the technical considerations and potential challenges for applying NC in CCNx/NDN. This document is the product of the Coding for Efficient Network Communications Research Group (NWCRG) and the Information-Centric Networking Research Group (ICNRG).
This document specifies general rules for the interaction between the BIER Algorithm (BAR) and the IGP Algorithm (IPA) used for underlay path calculation within the Bit Index Explicit Replication (BIER) architecture. The semantics defined in this document update RFC 8401 and RFC 8444. This document also updates the "BIER Algorithm" registry established in RFC 8401.
This document describes the command/response protocol currently used in the management of Uninterruptible Power Supply (UPS) units and other power devices often deployed in small offices and in IT installations subject to an erratic public power supply. The UPS units typically interface to an Attachment Daemon in the system they protect. This daemon is in turn polled by a Management Daemon that notifies users and system administrators of power supply incidents and automates system shutdown...
ITU-T Recommendation G.808.3 defines the generic aspects of a Shared Mesh Protection (SMP) mechanism, where the difference between SMP and Shared Mesh Restoration (SMR) is also identified. ITU-T Recommendation G.873.3 defines the protection switching operation and associated protocol for SMP at the Optical Data Unit (ODU) layer. RFC 7412 provides requirements for any mechanism that would be used to implement SMP in a Multi-Protocol Label Switching - Transport Profile (MPLS-TP) network.
A 4G mobile network uses IP-based transport for the control plane to establish the data session at the user plane for the actual data delivery. In the existing architecture, IP-based unicast is used for the delivery of multimedia content to a mobile terminal, where each user is receiving a separate stream from the server. From a bandwidth and routing perspective, this approach is inefficient. Evolved multimedia broadcast and multicast service (eMBMS) provides capabilities for delivering...
This memo describes common vulnerabilities related to Domain Name System (DNS) resource record (RR) processing as seen in several DNS client implementations. These vulnerabilities may lead to successful Denial-of-Service and Remote Code Execution attacks against the affected software. Where applicable, violations of RFC 1035 are mentioned.
This document specifies a new IPv6 Hop-by-Hop Option that is used to record the Minimum Path MTU (PMTU) along the forward path between a source host to a destination host. The recorded value can then be communicated back to the source using the return Path MTU field in the Option.
This document defines a channel binding type, tls-exporter, that is compatible with TLS 1.3 in accordance with RFC 5056, "On the Use of Channel Bindings to Secure Channels". Furthermore, it updates the default channel binding to the new binding for versions of TLS greater than 1.2. This document updates RFCs 5801, 5802, 5929, and 7677.
Forward Erasure Correction (FEC) is a reliability mechanism that is distinct and separate from the retransmission logic in reliable transfer protocols such as TCP. FEC coding can help deal with losses at the end of transfers or with networks having non-congestion losses. However, FEC coding mechanisms should not hide congestion signals. This memo offers a discussion of how FEC coding and congestion control can coexist. Another objective is to encourage the research community to also consider...
This specification defines two formats and associated media types for representing sets of links as standalone documents. One format is based on JSON, and the other is aligned with the format for representing links in the HTTP "Link" header field. This specification also introduces a link relation type to support the discovery of sets of links.
Service Function Chaining (SFC) uses the Network Service Header (NSH) (RFC 8300) to steer and provide context metadata (MD) with each packet. Such metadata can be of various types, including MD Type 2, consisting of Variable-Length Context Headers. This document specifies several such Context Headers that can be used within a Service Function Path (SFP).
This memo describes per-packet stateless strict and loose path steered replication and forwarding for "Bit Index Explicit Replication" (BIER) packets (RFC 8279); it is called "Tree Engineering for Bit Index Explicit Replication" (BIER-TE) and is intended to be used as the path steering mechanism for Traffic Engineering with BIER.
This document describes a mechanism that builds on Transport Layer Security (TLS) or Datagram Transport Layer Security (DTLS) and enables peers to provide proof of ownership of an identity, such as an X.509 certificate. This proof can be exported by one peer, transmitted out of band to the other peer, and verified by the receiving peer.
This document describes the Stream Control Transmission Protocol (SCTP) and obsoletes RFC 4960. It incorporates the specification of the chunk flags registry from RFC 6096 and the specification of the I bit of DATA chunks from RFC 7053. Therefore, RFCs 6096 and 7053 are also obsoleted by this document. In addition, RFCs 4460 and 8540, which describe errata for SCTP, are obsoleted by this document.
This document describes how the existing IPv6 mechanisms for ping and traceroute can be used in a Segment Routing over IPv6 (SRv6) network. The document also specifies the OAM flag (O-flag) in the Segment Routing Header (SRH) for performing controllable and predictable flow sampling from segment endpoints. In addition, the document describes how a centralized monitoring system performs a path continuity check between any nodes within an SRv6 domain.
This document describes an interface for importing external Pre-Shared Keys (PSKs) into TLS 1.3.
This document provides usage guidance for external Pre-Shared Keys (PSKs) in Transport Layer Security (TLS) 1.3 as defined in RFC 8446. It lists TLS security properties provided by PSKs under certain assumptions, then it demonstrates how violations of these assumptions lead to attacks. Advice for applications to help meet these assumptions is provided. This document also discusses PSK use cases and provisioning processes. Finally, it lists the privacy and security properties that are not...
Segment Routing (SR) allows a node to steer a packet flow along any path. Intermediate per-path states are eliminated thanks to source routing. SR Policy is an ordered list of segments (i.e., instructions) that represent a source-routed policy. Packet flows are steered into an SR Policy on a node where it is instantiated called a headend node. The packets steered into an SR Policy carry an ordered list of segments associated with that SR Policy.
There is a false notion that Internet Number Resources (INRs) in the RPKI can be associated with the real-world identity of the 'holder' of an INR. This document specifies that RPKI does not associate to the INR holder.
YANG (RFC 7950) is a data modeling language used to model configuration data, state data, parameters and results of Remote Procedure Call (RPC) operations or actions, and notifications.
This specification updates the iCalendar RELATED-TO property defined in RFC 5545 by adding new relation types and introduces new iCalendar properties (LINK, CONCEPT, and REFID) to allow better linking and grouping of iCalendar components and related data.
This document defines procedures and messages for SRv6-based BGP services, including Layer 3 Virtual Private Network (L3VPN), Ethernet VPN (EVPN), and Internet services. It builds on "BGP/MPLS IP Virtual Private Networks (VPNs)" (RFC 4364) and "BGP MPLS-Based Ethernet VPN" (RFC 7432).
This document describes how to support endpoints running the Internet Group Management Protocol (IGMP) or Multicast Listener Discovery (MLD) efficiently for the multicast services over an Ethernet VPN (EVPN) network by incorporating IGMP/MLD Proxy procedures on EVPN Provider Edges (PEs).
This document describes the use of QUIC to provide transport confidentiality for DNS. The encryption provided by QUIC has similar properties to those provided by TLS, while QUIC transport eliminates the head-of-line blocking issues inherent with TCP and provides more efficient packet-loss recovery than UDP. DNS over QUIC (DoQ) has privacy properties similar to DNS over TLS (DoT) specified in RFC 7858, and latency characteristics similar to classic DNS over UDP. This specification describes the...
This document defines a YANG data model that can be used to configure and manage Network Time Protocol (NTP) version 4. It can also be used to configure and manage version 3. The data model includes configuration data and state data.
Video Relay Service (VRS) is a term used to describe a method by which a hearing person can communicate with a sign language speaker who is deaf, deafblind, or hard of hearing (HoH) or has a speech disability using an interpreter (i.e., a Communications Assistant (CA)) connected via a videophone to the sign language speaker and an audio telephone call to the hearing user. The CA interprets using sign language on the videophone link and voice on the telephone link. Often the interpreters may be...
Seamless Bidirectional Forwarding Detection (S-BFD) defines a simplified mechanism to use Bidirectional Forwarding Detection (BFD) with large portions of negotiation aspects eliminated, thus providing benefits such as quick provisioning as well as improved control and flexibility to network nodes initiating the path monitoring. The link-state routing protocols (IS-IS and OSPF) have been extended to advertise the S-BFD Discriminators.
This document describes how the concept of URI Signing supports the content access control requirements of Content Delivery Network Interconnection (CDNI) and proposes a URI Signing method as a JSON Web Token (JWT) profile.
The Internet Engineering Task Force (IETF) discussion mailing list furthers the development and specification of Internet technology through the general discussion of technical, procedural, operational, and other topics for which no dedicated mailing lists exist. As this is the most general IETF mailing list, considerable latitude in terms of topics is allowed, but there are posts and topics that are unsuitable for this mailing list. This document defines the charter for the IETF discussion...
This document aims to enrich the Distributed Denial-of-Service Open Threat Signaling (DOTS) signal channel protocol with various telemetry attributes, allowing for optimal Distributed Denial-of-Service (DDoS) attack mitigation. It specifies the normal traffic baseline and attack traffic telemetry attributes a DOTS client can convey to its DOTS server in the mitigation request, the mitigation status telemetry attributes a DOTS server can communicate to a DOTS client, and the mitigation efficacy...
This document describes YANG data models for the configuration and management of Dynamic Host Configuration Protocol for IPv6 (DHCPv6) (RFC 8415) servers, relays, and clients.
This document defines a new exchange, called "Intermediate Exchange", for the Internet Key Exchange Protocol Version 2 (IKEv2). This exchange can be used for transferring large amounts of data in the process of IKEv2 Security Association (SA) establishment. An example of the need to do this is using key exchange methods resistant to Quantum Computers (QCs) for IKE SA establishment. The Intermediate Exchange makes it possible to use the existing IKE fragmentation mechanism (which...
The Content Delivery Networks Interconnection (CDNI) framework in RFC 6707 defines a set of protocols to interconnect CDNs to achieve multiple goals, including extending the reach of a given CDN. A CDNI Request Routing Footprint & Capabilities Advertisement interface (FCI) is needed to achieve the goals of a CDNI. RFC 8008 defines the FCI semantics and provides guidelines on the FCI protocol, but the exact protocol is not specified. This document defines a new Application-Layer Traffic...
This document specifies an extension to the base Application-Layer Traffic Optimization (ALTO) Protocol that generalizes the concept of "endpoint properties", which have been tied to IP addresses so far, to entities defined by a wide set of objects. Further, these properties are presented as maps, similar to the network and cost maps in the base ALTO Protocol. While supporting the endpoints and related Endpoint Property Service defined in RFC 7285, the ALTO Protocol is extended in two...
This document describes the registration of media types for the ECMAScript and JavaScript programming languages and conformance requirements for implementations of these types. This document obsoletes RFC 4329 ("Scripting Media Types)", replacing the previous registrations with information and requirements aligned with common usage and implementation experiences.
This informational document details a protocol to load Manufacturer Usage Description (MUD) definitions from RFC 8520 for devices that do not have them integrated.
Information about which entities are authorized to perform what operations on which constituents of other entities is a crucial component of producing an overall system that is secure. Conveying precise authorization information is especially critical in highly automated systems with large numbers of entities, such as the Internet of Things.
RFCs
Architectural Considerations of Information-Centric Networking (ICN) Using a Name Resolution Service
Jan 27, 2023
by
J. Hong
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This document describes architectural considerations and implications related to the use of a Name Resolution Service (NRS) in Information-Centric Networking (ICN). It explains how the ICN architecture can change when an NRS is utilized and how its use influences the ICN routing system. This document is a product of the Information-Centric Networking Research Group (ICNRG).
This document provides test vectors to validate implementations of the two mandatory authentication algorithms specified for the TCP Authentication Option over both IPv4 and IPv6. This includes validation of the key derivation function (KDF) based on a set of test connection parameters as well as validation of the message authentication code (MAC). Vectors are provided for both currently required pairs of KDF and MAC algorithms: KDF_HMAC_SHA1 and HMAC- SHA-1-96, and KDF_AES_128_CMAC and...
Route leaks are the propagation of BGP prefixes that violate assumptions of BGP topology relationships, e.g., announcing a route learned from one transit provider to another transit provider or a lateral (i.e., non-transit) peer or announcing a route learned from one lateral peer to another lateral peer or a transit provider. These are usually the result of misconfigured or absent BGP route filtering or lack of coordination between autonomous systems (ASes). Existing approaches to leak...
This document describes the changes between Unicode 6.0.0 and Unicode 12.0.0 in the context of the current version of Internationalized Domain Names for Applications 2008 (IDNA2008). Some additions and changes have been made in the Unicode Standard that affect the values produced by the algorithm IDNA2008 specifies. IDNA2008 allows adding exceptions to the algorithm for backward compatibility; however, this document does not add any such exceptions. This document provides the necessary tables...
Network telemetry is a technology for gaining network insight and facilitating efficient and automated network management. It encompasses various techniques for remote data generation, collection, correlation, and consumption. This document describes an architectural framework for network telemetry, motivated by challenges that are encountered as part of the operation of networks and by the requirements that ensue. This document clarifies the terminology and classifies the modules and...
This document updates and corrects the IANA "XML Security URIs" registry that lists URIs intended for use with XML digital signatures, encryption, canonicalization, and key management. These URIs identify algorithms and types of information. This document also obsoletes and corrects three errata against RFC 6931.
This document describes a protocol that allows clients to hide their IP addresses from DNS resolvers via proxying encrypted DNS over HTTPS (DoH) messages. This improves privacy of DNS operations by not allowing any one server entity to be aware of both the client IP address and the content of DNS queries and answers.
This document defines an extension to the Babel routing protocol that allows announcing routes to an IPv4 prefix with an IPv6 next hop, which makes it possible for IPv4 traffic to flow through interfaces that have not been assigned an IPv4 address.
The address to which email is delivered might be different than any of the addresses shown in any of the content header fields that were created by the email's author. For example, the address used by the email transport service is provided separately, such as through SMTP's "RCPT TO" command, and might not match any address in the To: or cc: fields. In addition, before final delivery, handling can entail a sequence of submission/delivery events, using a sequence of different...
This document defines a set of encryption transforms for use in the Encapsulating Security Payload (ESP) and in the Internet Key Exchange version 2 (IKEv2) protocols, which are parts of the IP Security (IPsec) protocol suite. The transforms are based on the GOST R 34.12-2015 block ciphers (which are named "Magma" and "Kuznyechik") in Multilinear Galois Mode (MGM) and the external rekeying approach.
The prevailing hexadecimal system was chosen for congruence with groups of four binary digits, but its design exhibits an indifference to cognitive factors. An alternative is introduced that is designed to reduce brain cycles in cases where a hexadecimal number should be readily convertible to binary by a human being.
This document discourages the practice of introducing software defects in general and in network protocol implementations specifically. Software defects are one of the largest cost drivers for the networking industry. This document is intended to clarify the best current practice in this regard.
This document specifies a method to find which Registration Data Access Protocol (RDAP) server is authoritative to answer queries for a requested scope, such as domain names, IP addresses, or Autonomous System numbers. This document obsoletes RFC 7484.
The Real-time Transport Object delivery over Unidirectional Transport (ROUTE) protocol is specified for robust delivery of Application Objects, including Application Objects with real-time delivery constraints, to receivers over a unidirectional transport. Application Objects consist of data that has meaning to applications that use the ROUTE protocol for delivery of data to receivers; for example, it can be a file, a Dynamic Adaptive Streaming over HTTP (DASH) or HTTP Live Streaming (HLS)...
This document proposes guidelines for the design of Autonomic Service Agents for autonomic networks. Autonomic Service Agents, together with the Autonomic Network Infrastructure, the Autonomic Control Plane, and the GeneRic Autonomic Signaling Protocol, constitute base elements of an autonomic networking ecosystem.
This document defines an extension to the QUIC transport protocol to add support for sending and receiving unreliable datagrams over a QUIC connection.
The mechanism for running the WebSocket Protocol over a single stream of an HTTP/2 connection is equally applicable to HTTP/3, but the HTTP-version-specific details need to be specified. This document describes how the mechanism is adapted for HTTP/3.
This document specifies an extension to "The JSON Meta Application Protocol (JMAP) for Mail" (RFC 8621) for returning the S/MIME signature verification status.
This document describes a scheme that allows an HTTP client to communicate its preferences for how the upstream server prioritizes responses to its requests, and also allows a server to hint to a downstream intermediary how its responses should be prioritized when they are forwarded. This document defines the Priority header field for communicating the initial priority in an HTTP version-independent manner, as well as HTTP/2 and HTTP/3 frames for reprioritizing responses. These share a common...
In contrast to the present Internet architecture, a path-aware internetworking architecture has two important properties: it exposes the properties of available Internet paths to endpoints, and it provides for endpoints and applications to use these properties to select paths through the Internet for their traffic. While this property of "path awareness" already exists in many Internet-connected networks within single domains and via administrative interfaces to the network layer, a...
The S/MIME development community benefits from sharing samples of signed or encrypted data. This document facilitates such collaboration by defining a small set of X.509v3 certificates and keys for use when generating such samples.
This document describes encoding formats, identifiers, and parameter formats for the GOST R 34.10-2012 and GOST R 34.11-2012 algorithms for use in the Internet X.509 Public Key Infrastructure (PKI).
IANA has created "Protocol in the Segment ID Sub-TLV" and "Protocol in Label Stack Sub-TLV of Downstream Detailed Mapping TLV" registries under the "Multiprotocol Label Switching (MPLS) Label Switched Paths (LSPs) Ping Parameters" registry. RFC 8287 defines the code points for Open Shortest Path First (OSPF) and Intermediate System to Intermediate System (IS-IS) protocols.
This specification defines a convention for HTTP response header fields that allow cache directives to be targeted at specific caches or classes of caches. It also defines one such header field, the CDN-Cache-Control response header field, which is targeted at content delivery network (CDN) caches.
The United States Government has published the National Security Agency (NSA) Commercial National Security Algorithm (CNSA) Suite, which defines cryptographic algorithm policy for national security applications. This document specifies the conventions for using the United States National Security Agency's CNSA Suite algorithms with the Secure Shell Transport Layer Protocol and the Secure Shell Authentication Protocol. It applies to the capabilities, configuration, and operation of all...
To aid debugging, HTTP caches often append header fields to a response, explaining how they handled the request in an ad hoc manner. This specification defines a standard mechanism to do so that is aligned with HTTP's caching model.
This document updates RFCs 1123 and 1536. This document requires the operational practice of permitting DNS messages to be carried over TCP on the Internet as a Best Current Practice. This operational requirement is aligned with the implementation requirements in RFC 7766. The use of TCP includes both DNS over unencrypted TCP as well as over an encrypted TLS session. The document also considers the consequences of this form of DNS communication and the potential operational issues that can...
This document defines the Proxy-Status HTTP response field to convey the details of an intermediary's response handling, including generated errors.
This document defines a QUOTA extension of the Internet Message Access Protocol (IMAP) (see RFCs 3501 and 9051) that permits administrative limits on resource usage (quotas) to be manipulated through the IMAP protocol.
RFCs
Jan 27, 2023
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K. Meyer zu Selhausen
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This document specifies a new parameter called iss. This parameter is used to explicitly include the issuer identifier of the authorization server in the authorization response of an OAuth authorization flow. The iss parameter serves as an effective countermeasure to "mix-up attacks".
The United States Government has published the National Security Agency's Commercial National Security Algorithm (CNSA) Suite, which defines cryptographic algorithm policy for national security applications. This document specifies the conventions for using the United States National Security Agency's CNSA Suite algorithms in Internet Protocol Security (IPsec). It applies to the capabilities, configuration, and operation of all components of US National Security Systems (described in NIST...
Applications often use HTTP as a substrate to create HTTP-based APIs. This document specifies best practices for writing specifications that use HTTP to define new application protocols. It is written primarily to guide IETF efforts to define application protocols using HTTP for deployment on the Internet but might be applicable in other situations.
This specification defines QPACK: a compression format for efficiently representing HTTP fields that is to be used in HTTP/3. This is a variation of HPACK compression that seeks to reduce head-of-line blocking.
This document specifies a profile for the Authentication and Authorization for Constrained Environments (ACE) framework. It utilizes Object Security for Constrained RESTful Environments (OSCORE) to provide communication security and proof-of-possession for a key owned by the client and bound to an OAuth 2.0 access token.
This specification defines a profile of the Authentication and Authorization for Constrained Environments (ACE) framework that allows constrained servers to delegate client authentication and authorization. The protocol relies on DTLS version 1.2 or later for communication security between entities in a constrained network using either raw public keys or pre-shared keys. A resource-constrained server can use this protocol to delegate management of authorization information to a trusted host...
This specification defines new parameters and encodings for the OAuth 2.0 token and introspection endpoints when used with the framework for Authentication and Authorization for Constrained Environments (ACE). These are used to express the proof-of-possession (PoP) key the client wishes to use, the PoP key that the authorization server has selected, and the PoP key the resource server uses to authenticate to the client.
This specification defines a framework for authentication and authorization in Internet of Things (IoT) environments called ACE-OAuth. The framework is based on a set of building blocks including OAuth 2.0 and the Constrained Application Protocol (CoAP), thus transforming a well-known and widely used authorization solution into a form suitable for IoT devices. Existing specifications are used where possible, but extensions are added and profiles are defined to better serve the IoT use cases.
Recent research work has explored the deployment characteristics and configuration of the Domain Name System (DNS). This document summarizes the conclusions from these research efforts and offers specific, tangible considerations or advice to authoritative DNS server operators. Authoritative server operators may wish to follow these considerations to improve their DNS services.
This memo introduces an advanced unidirectional route assessment (AURA) metric and associated measurement methodology based on the IP Performance Metrics (IPPM) framework (RFC 2330). This memo updates RFC 2330 in the areas of path-related terminology and path description, primarily to include the possibility of parallel subpaths between a given Source and Destination pair, owing to the presence of multipath technologies.
In situ Operations, Administration, and Maintenance (IOAM) collects operational and telemetry information in the packet while the packet traverses a path between two points in the network. This document discusses the data fields and associated data types for IOAM. IOAM-Data-Fields can be encapsulated into a variety of protocols, such as Network Service Header (NSH), Segment Routing, Generic Network Virtualization Encapsulation (Geneve), or IPv6. IOAM can be used to complement OAM mechanisms...
This document defines two YANG modules, "ietf-system-capabilities" and "ietf-notification-capabilities".
There is a need to document data defined in YANG models at design time, implementation time, or when a live server is unavailable. This document specifies a standard file format for YANG instance data, which follows the syntax and semantics of existing YANG models and annotates it with metadata.
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