[P4-Apps] INT v2.0 released!

[Lee, Jeongkeun]

Dear members,

We're glad to announce INT v2.0 was cut and is available at:

https://github.com/p4lang/p4-applications/blob/master/docs/INT_v2_0.pdf

The major changes in v2.0 include

• Domain specific extension
• Provides a lot of flexibility, adopted by IETF IOAM as well
• in INT it also allows 'source-only' metadata for Edge-to-Edge use cases
• New transports
• IPv4/GRE
• new UDP encap using a new UDP destination port
• VXLAN <-> VXLAN GPE conversion
• Metadata
• Timestamps in 8B
• Level 2 Port ID (e.g., virtual interface)
• shared buffer occupancy
  
• Introduced XD, MD, MX application modes

Next steps:

• Telemetry report spec 2.0
  
• INT v2.1
• define MX-type header
• define CL (Closed Loop) type for NIC closed-loop control use cases
• define Destination header, if needed
• (all three has a commonality: no header addition by transit nodes)
  
• ipv6 hop-by-hop extension

Thanks a lot for all your great inputs.

We will soon announce the next meeting schedule.

JK Lee

Mukesh Hira

[Nick McKeown]

Great job team - this is a big milestone for INT. It is really super to see it evolve and mature as more people use it.

Nick

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--

Nick McKeown 马格理
Professor of Computer Science and Electrical Engineering
Stanford University, CA 94305-9030
https://www.stanford.edu/~nickm