GB/T 40420.5-2021Broadband customer gateway virtualization based on public telecommunication network—Part 5: Function and technology requirements for virtual residential gateway (English PDF)

Foreword

GB/T 40420 "Broadband Customer Gateway Virtualization Based on Public Telecommunication Networks" has released the following parts.

---Part 1: General requirements;

---Part 2: Technical requirements for voice virtualization;

---Part 3: Technical requirements for physical home gateways;

---Part 4: Entity Enterprise Gateway Technical Requirements;

---Part 5: Technical requirements for virtual home gateway functions;

---Part 6: Technical requirements for virtual enterprise gateway functions;

---Part 7: Management requirements;

---Part 8: Interface requirements.

This part is Part 5 of GB/T 40420.

This section was drafted in accordance with the rules given in GB/T 1.1-2009.

1 Scope

This part of GB/T 40420 specifies the logical architecture and functions of the virtual home gateway after the virtualization of the broadband customer gateway of the public telecommunication network Reference model, software function, protocol and other requirements.

This section applies to virtual home gateways based on public telecommunication networks.

Note: Unless otherwise specified, broadband customer networks appearing in this section all refer to broadband customer networks based on public telecommunications networks, and telecommunications networks all refer to public telecommunications The internet.

2 Normative references

The following documents are indispensable for the application of this document. For dated reference documents, only the dated version applies to this document. For undated reference documents, the latest version (including all amendments) is applicable to this document.

GB/T 40420.1-2021 Broadband customer gateway virtualization based on public telecommunication network Part 1: General requirements

GB/T 40420.7-2021 Broadband Customer Gateway Virtualization Based on Public Telecommunication Network Part 7: Management Requirements

YD/T 2372-2011 General technical requirements for access network supporting IPv6

IETFRFC2663 IP network address translator (NAT) terms and precautions [IPNetworkAddressTranslator (NAT)TerminologyandConsiderations]

IETFRFC3022 Traditional IP Network Address Translator (Traditional NAT) [TraditionalIPNetworkAddressTrans-lator(TraditionalNAT)]

IETFRFC3027 IP network address converter protocol

IETFRFC3489 STUN-UDP NAT traversal simple method [STUN-SimpleTraversalofUserDatagram Protocol(UDP)ThroughNetworkAddressTranslators(NATs)]

3 Terms and definitions

The terms and definitions defined in GB/T 40420.1-2021 apply to this document.

4 Abbreviations

The following abbreviations apply to this document.

AAA. Authentication, authorization and accounting (Authentication, Authorization, Accounting)

ACL. access control list (accesscontrollist)

ALG. Application Layer Gateway (ApplicationLayerGateway)

AN. Access Network (AccessNetwork)

ARP. Address Translation Protocol (AddressResolutionProtocol)

BNG. Broadband Network Gateway (BroadbandNetworkGateway)