1. Blockwise transfers in CoAP draft-ietf-core-block-04
C. Bormann, Z. Shelby
CoRE WG, IETF-81 Quebec City

2. Current Status Changes in -03 Changes in -04
Enabled block transfer in request and response (BLOCK1, BLOCK2)
Main use case is RPC using POST
Changes in -04
Editorial improvements
-02 is implemented pretty widely
-03 has a few implementations (BLOCK1)

3. Work Needed Re-write the draft! Better names for BLOCK1, BLOCK2?
Haven’t found consensus yet on the names…
Clarify that a 4.13 (Request Entity Too Large)may mean either "truncated" or "do not have resources for blockwise” [Esko Dijk]