For a full list of all Technical Reports approved by the Broadband Forum, click here. Please feel free to share this information with your colleagues, so they are engaged and aware of the developments of this work. For additional insight and to get involved, sign up for the members-only Broadband Forum tools and access your account using your company email address.
Target: The Access & Transport Architecture Work Area maintains primary architectural work of the Broadband Forum. This work reflects the control, management and data plane aspects of the Broadband Forum’s defined and new architectures. These architectures are augmented to leverage new industry practices, while protecting the investment in broadband networks already deployed.
Outcomes:
Progress:
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For more information on ATA Work Area’s ongoing work, visit: Access and Transport Architecture home page.
Target: Finalize key technical components of the app-enabled services gateway, advance Wi-Fi performance quality.
Outcomes: WT-181 Device:2.16 and USP version 1.3 are on track to be released by Q2 2023.
The Broadband User Services (BUS) Work Area completed Straw Ballot resolution for the key components necessary for operators and vendors to have a standardized app-enabled services gateway (ASG) to realize new revenue-generating services and efficiently deploy applications in the connected user network. This includes updates to its flagship standards, TR-369/USP and the TR-181 Device:2 Data Model to support containerized applications on end-user devices. These are expected to be published in Q2. The overarching guide to building and deploying an ASG and its applications, WT-492, is still in progress and is on track for publication in Q3.
In addition, the next version of the Broadband Forum's popular TR-398 Wi-Fi Performance Metrics test plan that fuels the BBF.398 Certification Program is about to enter the final phase before publication. The specification's tests and test setups have been finalized, and is on track for participating laboratories to begin testing the specification to develop the final benchmark metrics.
Take a look at the BUS Work Area’s latest work: Broadband User Services home page.
Just ahead of the meeting, Amendment 6 of the group’s flagship project TR-383 ‘Common YANG Modules for Access Networks’ was published. This next amendment adds functionality that addresses scale in large networks, as well as further improving existing functionality. Beyond Amendment 6, new contributions were brought in at the meeting, both adding new functionality and improving the modeling of existing configuration profiles.
Also, just prior to the meeting, the group published Amendment 1 of OD-360 ‘BBF YANG Best Current Practices’, enhancing existing and adding new guidelines when creating YANG models.
The group agreed on the functional architecture of a fiber-fed MoCA access node, as part of WT-496 ‘YANG Modules for MoCA Access 2.5 Interface’. YANG data models will now be brought forward for further review and approval in interim conference calls.
The Work Area passed an important milestone as it has now reached a point where its primary role is a supportive one for other Work Areas aiming to develop and publish YANG models. To that end, sessions were held with the SDN/NFV and FAN Work Areas, reviewing items of common interest, including Issue 2 of WT-413 ‘SDN Management and Control Interfaces for CloudCO Network Functions’, WT-477 ‘Cloud CO Enhancement - Access Hardware Disaggregation’, WT-451 ‘vOMCI Interface Specification’, and WT-385 ‘ITU-T PON YANG Modules’.
Moving forward, the group will continue the formal review of the specification of YANG modules for VoIP; this topic did not get addressed at the meeting but will be covered during a series of interim conference calls. This work is intended to be covered in a future amendment of TR-383.
For an overview of the Common YANG Work Area’s current activities, please visit: Common YANG home page.
Target: The Fiber Access Networks (FAN) Work Area specifies and maintains PON architecture and nodal requirements, PON abstraction and mobile backhaul requirements. It is also responsible for PON test suites related to ITU-T PON Conformance and Interoperability, and compliance Test Plans related to XGS-PON, NG-PON2 and Physical Medium Dependent (PMD)/Transmission Convergence (TC) Layer. Lastly, it is responsible for ITU PON YANG data model specifications.
In Progress: During the Q1 meeting, the following updates occurred in each project stream:
The Unassigned Project Stream reviewed contributions for updating the following architectural documents to include Higher Speed PON/25GS PON:
In the Interoperability/25GS-PON/G.HSP 50G-PON Project Streams, contributions were reviewed for:
In the PON Project Stream, Straw Ballot comments for the below Working Texts were resolved. These Working Texts will be prepared next for Final Ballot:
For more on the FAN Work Area’s ongoing work, please see: Fiber Access Networks home page.
Target: To help service providers deploy equipment that will provide better Quality of Experience (QoE) for their end-users.
Progress: Two new technical reports and one test plan update were published: TR-285i2a1, TR-476 and TP-337i4c1.
Outcome: A new project was started WT-500 “MoCA Access Performance Test Plan”.
At this meeting, the PHYtx Work Area was proud to announce the publication of three new Technical Reports:
A new project WT-500: “MoCA Access Performance Test Plan” was started. MoCA Access is one of the technologies that can be used in the scope of Fiber To The extension point (FTTep) deployments as described in TR-419i2. The focus of this performance test plan is on the physical layer and traffic testing, similar to how TR-380i2 and TR-476 are defined. This test plan will include test setup information, equipment configuration requirements, test procedures, and performance requirements for each test case. Traffic tests should show the throughput and delay for various packet sizes and mixes for the various use cases. This Technical Report will be beneficial to the industry, providing guidance of the expected performance and Quality of Service for operators in an FTTep environment.
For further insight into the current work of the Physical Layer Transmission Work Area, visit the Physical Layer Transmission home page.
WT-477 on Access Node disaggregation is close to being completed. The missing data models were created and reviewed by the Common YANG and FAN Work Areas in a joint session. The document is expected to enter ‘Straw Ballot’ review before the Q2 meeting. The first proposal includes new virtual functions (traffic steering and L3 functions) for WT-477 Issue 2. Further inputs are expected before identifying and developing call flows and data models.
WT-413 Issue 2 on ‘SDN Management and Control Interfaces for CloudCO Network Functions’ is progressing.
More information about the SDN/NFV Work Area can be found at: SDN and NFV home page.
Work in the WWC Work Area has transitioned from improving the basic set of specifications in Phase 2 to focusing on topics that bring more value to 5G for wireline and provides operators with increased flexibility, revenue potential and deployment options. The goal is to increase the service capabilities of the network to allow operators to fully leverage convergence of their networks while at the same time giving them more paths to transition their networks to a single 5G core.
The group continues to incorporate capabilities from the 5G Toolkit into our specifications to realize a variety of use cases. These range across a broad spectrum and include topics such as hybrid access, enhanced work from home, access sharing scenarios and convergence of voice with the mobile system. This work will allow converged operators to provide a uniform experience to their customers irrespective of the access or appliance they are using, supported by a common and streamlined back office and control plane.
The 5G project stream is nearing finalization of two specifications; WT-457 (FMIF Functional Requirements) is in final ballot and WT-458 (CUPS for 5G Wireless Wireline Convergence) has made good progress in Straw Ballot resolution. Both documents expand the deployment options for 5G WWC. The IMS for 5G-RG project stream addresses 5G-RG IMS voice support, with work on the architecture and a profile for residential voice. Work is moving forward on WT-493 (IMS for 5G-RG Architecture) and WT-494 (IMS for 5G-RG Residential Voice Requirements). This key piece of work will converge legacy voice services onto the 5G system. With these two key baseline texts established, there is now an opportunity for all interested parties to contribute to this important work.
A new NPIF on 5G Fixed Wireless Access for multi-tenant fixed broadband has been proposed. The group also held a joint session with the BUS Work Area to discuss LIAISE-576 from 3GPP regarding wireline access and Fixed Wireless Access for accessing standalone private networks. The group provided feedback on the support provided by 5G-RG, FN-RG and W-AGF. The continued work with 3GPP to introduce the Release 18 Study output will facilitate a WWC study around “Devices behind the RG”.
The WWC Work Area has progressed planning for the group’s first demonstration with Network X targeted to showcase the 5G Phase 2 and Phase 3 work. The group continues to expose the industry to the latest WWC work and supports the ongoing education and marketing activities.
Broadband Forum is taking an important role in developing 5G, continuing the productive cooperation with 3GPP, and making recommendations for the connection points between the fixed and 5G mobile core networks to drive core convergence.
For more on the WWC Work Area, please see: Wireless-Wireline Convergence home page.
The Open Broadband – Broadband Access Abstraction (OB-BAA) project team agreed on the Release 6.0 activities, where the planned delivery date is the end of June 2023.
The main (planned) code development activities are:
Discussions are ongoing about whether there will be a Broadband Forum vOMCI Plugfest later this year - where OB-BAA vOMCI can be leveraged - and the OB-BAA team will provide support where and when needed.
For more information on the OB-BAA project’s latest work, see: Open Broadband-Broadband Access Abstraction Project Home
The Open Broadband – Multi Access Point (OB-MAP) project and the prpl Foundation’s prplMesh project are establishing a baseline vision of how data and control commands will be represented in TR-181. This will influence the design of the APIs presented by prplMesh.
The data model (and prplMesh APIs) is meeting the diagnostics and management needs of service providers that use multiple physical layer networking technologies to deliver ever-increasing broadband bandwidth and innovative services through increasingly complex home networks to end-user devices.
The OB-MAP project team has continued to collaborate with the prpl team on requirements and feature prioritization, and data modelling of multiple devices and services in a mesh network. Progress has been made on prplMesh’s Northbound API (NAPI), including:
For more on the OB-MAP project’s ongoing work, please see: OBMAP Home
OB-USP-Agent Release 7 (Goldeneye) was pushed to GitHub in January. Goldeneye was a maintenance release with the following focus:
OB-USP-Agent Release 8 (Heron) has been scoped and is focused on the upcoming changes in Device:2.16 and USP version 1.3 as it pertains to software modulization and USP-enabled applications, more specifically implementing the UNIX Domain Socket MTP and the associated concepts that enable USP communications between applications within the CPE. Release planning is still underway, which will lead to development of the identified epics, stories, and features.
For more on the OB-USP-Agent project’s ongoing work, please see: OB-USP-Agent Home
Current Progress: March 2023 will see a major release of UDPST, version 8.0.0. The primary new feature in this release is support for multiple test connections (UDP flows) between the client and one or more server instances (i.e., distributed servers). This feature provides server redundancy and resiliency to busy or unavailable servers.
The following additional features are present in this release:
With these changes, new fields were required in the Test Setup PDUs and Load PDUs. As a result, both the current and minimum protocol version are now (the new) version 10.
The OB-UDPST project team has begun work on Issue 4 of TR-471 to include the new multi-flow capabilities in the information model.
For more information on the OB-UDPST project team’s ongoing progress, please visit: OB UDP Speed Test Home
Open Broadband-5WWC (OB-5WWC) is an Open Source project focused on bringing the full benefits of the 5G ecosystem to fixed-line services and offering a full end-to-end solution to operators. The aim is to create a reference implementation of the Broadband Forum specified Wireless-Wireline Convergence solution for 5G capable Residential Gateways (5G-RGs). There are already key Broadband Forum and 3GPP specifications available to help fulfill the need for 5G and convergence, and a 5G-RG reference implementation will be of great benefit to operators, providing shorter time-to-market for products and reduced development times and cycles.
OB-5WWC also seeks to provide a production grade 5G solution stack capable of integration with OpenWRT/ RDK-B frameworks and to provide a reference for testing Access Gateway Function (AGF) and RG test tool development.
Current Progress: The group continues to make good progress with the architecture, design, and alignment with OpenWRT and RDK-B and gaining clarification of RG deployment scenarios.
The low-level design including WWCd as a key component and the continued alignment on RDK-B architecture and integration has progressed.
A new development environment has been established and Continuous Integration (CI) operationalized, with exploration taking place of the components for the end-to-end test environment, including AGF and 5G Core. The development includes the solution design of the Control and User Plane transport including the Stubbed AGF test tool, and 5G Wireless Wireline Convergence User Plane Encapsulation (5WE), and the 5G controller (WWCd) providing registration and session management.
Next steps: The project team’s next steps will be to start the MVP implementation of WWCd as a key module, and further improve the test environment. The group intends to begin code development soon.
Members of the project team aim to submit an NPIF to the BUS Work Area to establish an RG architecture Technical Report and have tasked the Work Area with improving data models for cellular interface management.
An important next step is the design of a common approach to access SIM-based credentials to develop a Broadband Forum compliant solution covering wired-only 5G-RG, and the group is calling on device manufacturers to support this activity.
There is now an opportunity for interested parties to offer contributions as we enter this key phase of implementation. The project continues to welcome interested parties, including candidates with software development experience in the C programming language, and radio module and mobile experience.
For any interested parties (including non-Broadband Forum members) that wish to be part of the project, please sign the project participation agreement online here.
For more on the OB-5WWC project’s current work, please see: OB-5WWC Home
We welcomed a mix of new members and guest companies during the Q4 Meeting. We had 157 registrations, with 12 guests from nine companies and 17 first-time attendees. Thank you to our new and returning members: Blu-Castle, DISH, DKT, NAGRA Kudelski Group, Invigo, and ReadyLinks. Our Q1 guests included: Actelis, Anritsu, BEC Technologies, Frontier, Meta, Invigo, and Ozmo.
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