Hierarchical Mobile IPv6 (HMIPv6) Mobility Management
This document introduces extensions to Mobile IPv6 and IPv6 Neighbour Discovery to allow for local mobility handling. Hierarchical mobility management for Mobile IPv6 is designed to reduce the amount of signalling between the mobile node, its correspondent nodes, and its home agent. The Mobility Anchor Point (MAP) described in this document can also be used to improve the performance of Mobile IPv…
Guidelines for Using the Privacy Mechanism for SIP
This is an informational document that provides guidelines for using the privacy mechanism for the Session Initiation Protocol (SIP) that is specified in RFC 3323 and subsequently extended in RFCs 3325 and 4244. It is intended to clarify the handling of the target SIP headers/parameters and the Session Description Protocol (SDP) parameters for each of the privacy header values (priv-values). This …
The IETF policies about rights in Contributions to the IETF are designed to ensure that such Contributions can be made available to the IETF and Internet communities while permitting the authors to retain as many rights as possible. This memo details the IETF policies on rights in Contributions to the IETF. It also describes the objectives that the policies are designed to meet. This memo obsolete…
Advice to the Trustees of the IETF Trust on Rights to Be Granted in IETF Documents
Contributors grant intellectual property rights to the IETF. The IETF Trust holds and manages those rights on behalf of the IETF. The Trustees of the IETF Trust are responsible for that management. This management includes granting the licenses to copy, implement, and otherwise use IETF Contributions, among them Internet-Drafts and RFCs. The Trustees of the IETF Trust accepts direction from the IE…
Inter-AS Requirements for the Path Computation Element Communication Protocol (PCECP)
Multiprotocol Label Switching Traffic Engineered (MPLS TE) Label Switched Paths (LSPs) may be established wholly within an Autonomous System (AS) or may cross AS boundaries. The Path Computation Element (PCE) is a component that is capable of computing constrained paths for (G)MPLS TE LSPs. The PCE Communication Protocol (PCECP) is defined to allow communication between Path Computation Clients (P…
One fundamental aspect of any IP communications infrastructure is its addressing plan. With its new address architecture and allocation policies, the introduction of IPv6 into a network means that network designers and operators need to reconsider their existing approaches to network addressing. Lack of guidelines on handling this aspect of network design could slow down the deployment and integra…
Multicast Extensions to the Security Architecture for the Internet Protocol
The Security Architecture for the Internet Protocol describes security services for traffic at the IP layer. That architecture primarily defines services for Internet Protocol (IP) unicast packets. This document describes how the IPsec security services are applied to IP multicast packets. These extensions are relevant only for an IPsec implementation that supports multicast. [STANDARDS-TRACK]
Requesting Answering Modes for the Session Initiation Protocol (SIP)
This document extends SIP with two header fields and associated option tags that can be used in INVITE requests to convey the requester's preference for user-interface handling related to answering of that request. The first header, "Answer-Mode", expresses a preference as to whether the target node's user interface waits for user input before accepting the request or, instead, accepts the request…
Payload Format for JPEG 2000 Video: Extensions for Scalability and Main Header Recovery
This memo describes extended uses for the payload header in "RTP Payload Format for JPEG 2000 Video Streams" as specified in RFC 5371, for better support of JPEG 2000 features such as scalability and main header recovery. This memo must be accompanied with a complete implementation of "RTP Payload Format for JPEG 2000 Video Streams". That document is a complete description of the payload header an…
This memo describes an RTP payload format for the ISO/IEC International Standard 15444-1 | ITU-T Rec. T.800, better known as JPEG 2000. JPEG 2000 features are considered in the design of this payload format. JPEG 2000 is a truly scalable compression technology allowing applications to encode once and decode many different ways. The JPEG 2000 video stream is formed by extending from a single image …
The Session Initiation Protocol (SIP) Conference Bridge Transcoding Model
This document describes how to invoke transcoding services using the conference bridge model. This way of invocation meets the requirements for SIP regarding transcoding services invocation to support deaf, hard of hearing, and speech-impaired individuals. [STANDARDS-TRACK]
Framework for Transcoding with the Session Initiation Protocol (SIP)
This document defines a framework for transcoding with SIP. This framework includes how to discover the need for transcoding services in a session and how to invoke those transcoding services. Two models for transcoding services invocation are discussed: the conference bridge model and the third-party call control model. Both models meet the requirements for SIP regarding transcoding services invo…
Referring to Multiple Resources in the Session Initiation Protocol (SIP)
This document defines extensions to the SIP REFER method so that it can be used to refer to multiple resources in a single request. These extensions include the use of pointers to Uniform Resource Identifier (URI) lists in the Refer-To header field and the "multiple-refer" SIP option-tag. [STANDARDS-TRACK]
Subscriptions to Request-Contained Resource Lists in the Session Initiation Protocol (SIP)
This document specifies a way to create subscription to a list of resources in SIP. This is achieved by including the list of resources in the body of a SUBSCRIBE request. Instead of having a subscriber send a SUBSCRIBE request for each resource individually, the subscriber defines the resource list, subscribes to it, and gets notifications about changes in the resources' states using a single SUB…
Conference Establishment Using Request-Contained Lists in the Session Initiation Protocol (SIP)
This document describes how to create a conference using SIP URI-list services. In particular, it describes a mechanism that allows a User Agent Client to provide a conference server with the initial list of participants using an INVITE-contained URI list. [STANDARDS-TRACK]
Multiple-Recipient MESSAGE Requests in the Session Initiation Protocol (SIP)
This document specifies a mechanism that allows a SIP User Agent Client (UAC) to send a SIP MESSAGE request to a set of destinations, by using a SIP URI-list (Uniform Resource Identifier list) service. The UAC sends a SIP MESSAGE request that includes the payload along with the URI list to the MESSAGE URI-list service, which sends a MESSAGE request including the payload to each of the URIs include…
Extensible Markup Language (XML) Format Extension for Representing Copy Control Attributes in Resource Lists
In certain types of multimedia communications, a Session Initiation Protocol (SIP) request is distributed to a group of SIP User Agents (UAs). The sender sends a single SIP request to a server which further distributes the request to the group. This SIP request contains a list of Uniform Resource Identifiers (URIs), which identify the recipients of the SIP request. This URI list is expressed as a …
Framework and Security Considerations for Session Initiation Protocol (SIP) URI-List Services
This document describes the need for SIP URI-list services and provides requirements for their invocation. Additionally, it defines a framework for SIP URI-list services, which includes security considerations applicable to these services. [STANDARDS-TRACK]
The Session Initiation Protocol (SIP) Pending Additions Event Package
This document defines the SIP Pending Additions event package. This event package is used by SIP relays to inform user agents about the consent-related status of the entries to be added to a resource list. [STANDARDS-TRACK]
This document defines an Extensible Markup Language (XML) format for a permission document used to request consent. A permission document written in this format is used by a relay to request a specific recipient permission to perform a particular routing translation. [STANDARDS-TRACK]
A Framework for Consent-Based Communications in the Session Initiation Protocol (SIP)
SIP supports communications for several services, including real-time audio, video, text, instant messaging, and presence. In its current form, it allows session invitations, instant messages, and other requests to be delivered from one party to another without requiring explicit consent of the recipient. Without such consent, it is possible for SIP to be used for malicious purposes, including amp…
This document gives examples of Session Initiation Protocol (SIP) services. This covers most features offered in so-called IP Centrex offerings from local exchange carriers and PBX (Private Branch Exchange) features. Most of the services shown in this document are implemented in the SIP user agents, although some require the assistance of a SIP proxy. Some require some extensions to SIP including …
Preventing Use of Recursive Nameservers in Reflector Attacks
This document describes ways to prevent the use of default configured recursive nameservers as reflectors in Denial of Service (DoS) attacks. It provides recommended configuration as measures to mitigate the attack. This document specifies an Internet Best Current Practices for the Internet Community, and requests discussion and suggestions for improvements.
The One-way Active Measurement Protocol (OWAMP), specified in RFC 4656, provides a common protocol for measuring one-way metrics between network devices. OWAMP can be used bi-directionally to measure one-way metrics in both directions between two network elements. However, it does not accommodate round-trip or two-way measurements. This memo specifies a Two-Way Active Measurement Protocol (TWAMP),…
This document describes server pool policies for Reliable Server Pooling (RSerPool) including considerations for implementing them at Endpoint Handlespace Redundancy Protocol (ENRP) servers and pool users. This memo defines an Experimental Protocol for the Internet community.
Threats Introduced by Reliable Server Pooling (RSerPool) and Requirements for Security in Response to Threats
Reliable Server Pooling (RSerPool) is an architecture and set of protocols for the management and access to server pools supporting highly reliable applications and for client access mechanisms to a server pool. This document describes security threats to the RSerPool architecture and presents requirements for security to thwart these threats. This memo provides information for the Internet commun…
Aggregate Server Access Protocol (ASAP) and Endpoint Handlespace Redundancy Protocol (ENRP) Parameters
This document details the parameters of the Aggregate Server Access Protocol (ASAP) and Endpoint Handlespace Redundancy Protocol (ENRP) defined within the Reliable Server Pooling (RSerPool) architecture. This memo defines an Experimental Protocol for the Internet community.
The Endpoint Handlespace Redundancy Protocol (ENRP) is designed to work in conjunction with the Aggregate Server Access Protocol (ASAP) to accomplish the functionality of the Reliable Server Pooling (RSerPool) requirements and architecture. Within the operational scope of RSerPool, ENRP defines the procedures and message formats of a distributed, fault-tolerant registry service for storing, bookke…
Aggregate Server Access Protocol (ASAP; RFC 5352), in conjunction with the Endpoint Handlespace Redundancy Protocol (ENRP; RFC 5353), provides a high-availability data transfer mechanism over IP networks. ASAP uses a handle-based addressing model that isolates a logical communication endpoint from its IP address(es), thus effectively eliminating the binding between the communication endpoint and i…
The Reliable Server Pooling effort (abbreviated "RSerPool") provides an application-independent set of services and protocols for building fault-tolerant and highly available client/server applications. This document provides an overview of the protocols and mechanisms in the Reliable Server Pooling suite. This memo provides information for the Internet community.