Ultra Ethernet Transport (UET) uses a vendor-neutral, sender-specific congestion window–based congestion control mechanism together with fl...

Calculating Base RTT [Edit: January 7 2026, RTT role in CWND adjustment process] As described in the previous section, the Bandwidth-Delay P...

Congestion Control Context Updated 5.1.2026: Added CWND computation example into figure. Added CWND cmputaiton into text. Updated 13.1.2026:...

 Introduction Figure 6-1 depicts a simple scale-out backend network for an AI data center. The topology follows a modular design, allowing t...

 This section brings together the processes described earlier and explains the packet flow from the node perspective. A detailed network-lev...

 Semantic Sublayer (SES) Operation  [Rewritte 12. Dec-2025] After a Work Request Entity (WRE) is created, the UET provider generates the par...

 Relative Addressing As described in the previous section, applications use endpoint objects as their communication interfaces for data tran...

Work Request Entity (WRE)  [SES part updated 7-Decembr 2025: text and figure]  The UET provider constructs a Work Request Entity (WRE) from ...

Introduction [Updated 22 November 2025: Handoff Section] The previous chapter described how an application gathers information about availab...

[Figure updated 13 November 2025] My previous UET posts explained how an application uses libfabric function API calls to discover available...