This page is used by the SIG-TFN technical working group to share documents.

Working group members:

Guy Roberts (WG leader)

Jeroen Koelemeij

Jochen Kronjaeger

Raphaël Marion

Krzysztof Turza

Jacques-Olivier Gaudron

C-TFN architecture

Notes and diagrams from the technical working group discussions are documented in these slide decks:

Topology options for the C-TFN: TFN_topologies_v3.pptx

Slides from the SIG-TFN meeting in Amsterdam on the 16th October.  This is an overview of the design consideration for the Northern route: 241016_SIG-TFN_meeting_Koelemeij_v3.pdf

Deeper analysis of the options for the northern route: C-TFN architecture 2024-10-22 JHK v4.pptx

Draft consensus design for the northern route: C-TFN northern route consensus design DRAFT v1 .pptx

End-to-end link design: JK-end-to-end-link-design_v0.pptx

 Draft MOU and T/F Interconnect agreement

The following document is a draft of the proposed bilateral interconnect agreement that GEANT would put in place with each of the NMIs that we connect.

Version 0.2: TF-Interconnection-Agreement-template-Draft-v0.2.docx

 ITT for amplifiers

The following document is a draft Invitation to Tender (ITT) for the hardware, software build and service requirements for the bi-directional amplifiers to be deployed on the GEANT C-TFN.

Draft ITT for TF amplifiers v1.0.docx (version shared with vendors for comment)

Draft ITT for TF amplifiers v2.0.docx (version incorporating feedback from vendors during the 'vendor engagement' meetings in January 2025)

Design for the spectrum of the optical filters on the C-TFN

filter design_v5.docx

JHK-spectrum-considerations_v3.pptx

Workplan for building the northern route

T-F project plan_v2.xlsx

TimeMap

The following document shows the software requirements for monitoring the C-TFN network.

TimeMap requirements_v0.5.docx

Exail documentation

The following documents describe the Exail RLS/MLS equipment:

RLS_spec_exail.pdf

MLS_spec_exail_V1_rev_B.pdf

User_Module_exail.pdf

 Amplifier information

Keopsys amplifier brochure: CEFA-C-BD-brochure-v2-1.pdf

Czechlight amplifier: EN_DSBD_ CzechLight optical amplifier SDN EDFA BiDi.pdf

NPL optical link implementation with multiple services

GEANT presentation 26th July 2024.pptx