Skip to main content

RFCinfoRFC Docs All RFCs

English
简体中文
日本語
Français
Deutsch
Italiano

RFC Introduction
All RFCs
Translation Quality
RFC 5631Session Initiation Protocol (SIP) Session Mobility
RFC 5632Comcast's ISP Experiences in a Proactive Network Provider Participation for P2P (P4P) Technical Trial
RFC 5633BCP: 10 August 2009
RFC 5634August 2009
RFC 5635Arbor Networks
RFC 5636Traceable Anonymous Certificate
RFC 5637Authentication, Authorization, and Accounting (AAA) Goals for Mobile IPv6
RFC 5638Simple SIP Usage Scenario for Applications in the Endpoints
RFC 5639Elliptic Curve Cryptography (ECC) Brainpool Standard Curves and Curve Generation
RFC 5640Cisco Systems
RFC 5641Layer 2 Tunneling Protocol Version 3 (L2TPv3) Extended Circuit Status Values
RFC 5642Dynamic Hostname Exchange Mechanism for OSPF
RFC 5643IP Infusion
RFC 5644IP Performance Metrics (IPPM): Spatial and Multicast
RFC 5645Update to the Language Subtag Registry
RFC 5646BCP: 47 M. Davis, Ed.
RFC 5647August 2009
RFC 5648Wichorus
RFC 5649NIST
RFC 5650Definitions of Managed Objects for Very High Speed Digital Subscriber Line 2 (VDSL2)
RFC 5651Layered Coding Transport (LCT) Building Block
RFC 5652Cryptographic Message Syntax (CMS)
RFC 5653Generic Security Service API Version 2: Java Bindings Update
RFC 5654AT&T
RFC 5655Specification of the IP Flow Information Export (IPFIX) File Format
RFC 5656Elliptic Curve Algorithm Integration in the Secure Shell Transport Layer
RFC 5657BCP: 9 R. Sparks
RFC 5658Addressing Record-Route Issues in the Session Initiation Protocol (SIP)
RFC 5659Cisco Systems
RFC 5660IPsec Channels: Connection Latching
RFC 5661Network File System (NFS) Version 4 Minor Version 1 Protocol
RFC 5662Network File System (NFS) Version 4 Minor Version 1 External Data Representation Standard (XDR) Description
RFC 5663Parallel NFS (pNFS) Block/Volume Layout
RFC 5664Object-Based Parallel NFS (pNFS) Operations
RFC 5665IANA Considerations for Remote Procedure Call (RPC) Network Identifiers and Universal Address Formats
RFC 5666Remote Direct Memory Access Transport for Remote Procedure Call
RFC 5667Network File System (NFS) Direct Data Placement
RFC 5668Cisco Systems
RFC 5669The SEED Cipher Algorithm and Its Use with the Secure Real-Time Transport Protocol (SRTP)
RFC 5670Metering and Marking Behaviour of PCN-Nodes
RFC 5671Old Dog Consulting
RFC 5672RFC 4871 DomainKeys Identified Mail (DKIM) Signatures -- Update
RFC 5673Cisco Systems
RFC 5674Adiscon GmbH
RFC 5675October 2009
RFC 5676Cisco Systems
RFC 5677Nokia
RFC 5678Dynamic Host Configuration Protocol (DHCPv4 and DHCPv6) Options for IEEE 802.21 Mobility Services (MoS) Discovery
RFC 5679Locating IEEE 802.21 Mobility Services Using DNS
RFC 5680BCP: 10 October 2009
RFC 5681 - TCP Congestion Control
RFC 5682Forward RTO-Recovery (F-RTO): An Algorithm for Detecting Spurious Retransmission Timeouts with TCP
RFC 5683Password-Authenticated Key (PAK) Diffie-Hellman Exchange
RFC 5684Unintended Consequences of NAT Deployments with Overlapping Address Space
RFC 5685Unaffiliated
RFC 5686October 2009
RFC 5687GEOPRIV Layer 7 Location Configuration Protocol: Problem Statement and Requirements
RFC 5688A Session Initiation Protocol (SIP) Media Feature Tag for MIME Application Subtypes
RFC 5689Extended MKCOL for Web Distributed Authoring and Versioning (WebDAV)
RFC 5690Adding Acknowledgement Congestion Control to TCP
RFC 5691RTP Payload Format for Elementary Streams with MPEG Surround Multi-Channel Audio
RFC 5692Transmission of IP over Ethernet over IEEE 802.16 Networks
RFC 5693Application-Layer Traffic Optimization (ALTO) Problem Statement
RFC 5694Peer-to-Peer (P2P) Architecture:
RFC 5695Cisco Systems
RFC 5696Baseline Encoding and Transport of Pre-Congestion Information
RFC 5697Other Certificates Extension
RFC 5698pawisda systems GmbH
RFC 5701IPv6 Address Specific BGP Extended Community Attribute
RFC 5702Use of SHA-2 Algorithms with RSA in
RFC 5703Sieve Email Filtering: MIME Part Tests, Iteration, Extraction, Replacement, and Enclosure
RFC 5704November 2009
RFC 5705Keying Material Exporters for Transport Layer Security (TLS)
RFC 5706Guidelines for Considering Operations and Management of
RFC 5707Media Server Markup Language (MSML)
RFC 5708X.509 Key and Signature Encoding for the KeyNote Trust Management System
RFC 5709OSPFv2 HMAC-SHA Cryptographic Authentication
RFC 5710PathErr Message Triggered MPLS and GMPLS LSP Reroutes
RFC 5711Node Behavior upon Originating and Receiving Resource Reservation Protocol (RSVP) Path Error Messages
RFC 5712MPLS Traffic Engineering Soft Preemption
RFC 5713Security Threats and Security Requirements for the Access Node Control Protocol (ANCP)
RFC 5714IP Fast Reroute Framework
RFC 5715A Framework for Loop-Free Convergence
RFC 5716Requirements for Federated File Systems
RFC 5717Tail-f Systems
RFC 5718An In-Band Data Communication Network For the MPLS Transport Profile
RFC 5719Updated IANA Considerations for Diameter Command Code Allocations
RFC 5720Routing and Addressing in Networks with Global Enterprise Recursion (RANGER)
RFC 5721POP3 Support for UTF-8
RFC 5722Handling of Overlapping IPv6 Fragments
RFC 5723Internet Key Exchange Protocol Version 2 (IKEv2) Session Resumption
RFC 5724URI Scheme for Global System for Mobile Communications (GSM) Short Message Service (SMS)
RFC 5725Post-Repair Loss RLE Report Block Type for RTP Control Protocol (RTCP) Extended Reports (XRs)
RFC 5726Mobile IPv6 Location Privacy Solutions
RFC 5727BCP: 67 C. Jennings
RFC 5728March 2010
RFC 5729Clarifications on the Routing of Diameter Requests Based on the Username and the Realm
RFC 5730STD: 69 August 2009
RFC 5731STD: 69 August 2009
RFC 5732STD: 69 August 2009
RFC 5733STD: 69 August 2009

RFC 5681 - TCP Congestion Control
4. Additional Considerations

4. Additional Considerations

3.2. Fast Retransmit/Fast Recovery

4.1. Restarting Idle Connections

🔥 Most Popular

RFC 6749 - OAuth 2.0
RFC 9110 - HTTP Semantics
RFC 7519 - JWT
RFC 8446 - TLS 1.3
RFC 3339 - Date and Time
→ View All RFCs
RFC Index by Number

🔗 Resources

IETF Official
RFC Editor
RFC Index
Contact Us

© 2026 RFCinfo · Content licensed under CC BY-NC-SA 4.0