[WIP] ET-W2IT 2026-06 updates (#15)

* add text to 3.2 on additional global services and sensor centres

* Change DCPC compliance to operation of a WIS2 node and refer to the WIS2 node assessment.

* editorial

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Co-authored-by: Wirt Kai-Thorsten <kwirt@oflws96.dwd.de>

Author: tomkralidis

manual/sections/part2.adoc

@@ -33,7 +33,7 @@
 2.3.2.1 *The procedure for designating a DCPC shall consist of three steps:* 
 
 *(1) Service offer by a potential DCPC;* 
-*(2) Demonstration of DCPC capabilities;* 
+*(2) Implementation of a WIS2 Node;*
 *(3) Designation as a DCPC.* 
 
 2.3.2.2 *Each DCPC shall complete the migration from WIS/GTS to WIS 2.0 in order to be designated as a WIS 2.0 DCPC centre and added to the list in Appendix C.*  
@@ -44,9 +44,9 @@
 
 2.3.3.2 *The service offer of candidate DCPCs shall then be submitted to INFCOM, which shall analyse the compliance of the candidate with the required DCPC functions and specifications and formulate a recommendation.* 
 
-2.3.4 *Demonstration of Data Collection or Production Centre capabilities* 
+2.3.4 *Implementation of a WIS2 Node*
 
-2.3.4.1 *The Member offering a DCPC shall be invited to demonstrate to INFCOM the ability of the proposed centre to provide WIS services in compliance with DCPC functions and responsibilities, including communication with the Global Services. Compliance shall be demonstrated, where applicable, with respect to the real-time functions of data sharing, provision of relevant, up-to-date discovery metadata, coordination functions with the associated GISC, adherence to WIS standards, and relevant data exchange policies and access rights.* 
+2.3.4.1 *The Member offering a DCPC shall register a WIS2 centre identifier and follow the procedure for implementing a WIS2 Node. Compliance with the WIS2 specification is assessed by the principal GISC as described in the Guide to WIS, Volume II.* 
 
 2.3.4.2 *After the candidate DCPC has successfully demonstrated its capabilities, INFCOM shall recommend to Congress or the Executive Council that the candidate centre be approved.* 
 

manual/sections/part3.adoc

@@ -60,7 +60,11 @@ Note: Core data is defined in Resolution 1 (Cg-Ext(2021)).
 
 3.2.14 Global Service components (Global Broker, Global Cache, and Global Discovery Catalogue) provide metrics about system performance and data availability. WIS nodes may also provide such metrics. Global Monitors collect these metrics and provide a view of current WIS performance and historical trends.
 
-3.2.15 GISCs ensure the effective operation of WIS. Collectively, GISCs ensure that WIS meets the needs of all WMO programmes, activity areas, and regional associations – including optimizing the distribution of Global Service components, managing threats to the performance of WIS, and responding to incidents to restore system performance. Individually, a GISC supports data publishers and data consumers in its AoR, driving the adoption of good practices and resolving data sharing problems.
+3.2.15 Additional Global Services provide value added capabilities, built atop the core Global Service components.
+
+3.2.16 Sensor Centres provide continuous measurement and assessment on Global Services.  They can provide external feedback on Global Service functionality, performance and service levels, triggering corrective action.
+
+3.2.17 GISCs ensure the effective operation of WIS. Collectively, GISCs ensure that WIS meets the needs of all WMO programmes, activity areas, and regional associations – including optimizing the distribution of Global Service components, managing threats to the performance of WIS, and responding to incidents to restore system performance. Individually, a GISC supports data publishers and data consumers in its AoR, driving the adoption of good practices and resolving data sharing problems.
 
 [.small]
 Note: The _Guide to WIS_, Volume II provides additional information on the functions of WIS and how these functions may be implemented.