[GitHub] wu-sheng opened a new pull request #1894: New v2 header with header key `sw6`

[GitBox <gi...@apache.org>]

wu-sheng opened a new pull request #1894: New v2 header with header key `sw6`
URL: https://github.com/apache/incubator-skywalking/pull/1894
 
 
   Hi everyone,
   This is a significative pull request in SkyWalking 6. I propose the new header protocol v2, now it is the time to implement it. If you miss the last one, see [v2 protocol](https://github.com/apache/incubator-skywalking/blob/master/docs/en/protocols/Skywalking-Cross-Process-Propagation-Headers-Protocol-v2.md).
   
   Several things you need to pay attention
   1. BASE64 for trace id, segment id, host, entry op name, and parent op name
   1. Entry op name and parent op name are optional in ContextCarrier and ContextSnapshot
   
   @liuhaoyang .NET core @ascrutae Nodejs need to follow this protocol, after this is merged.
   
   Also v1 is still supported in receiving `sw3` header, but you need to active v1 header manually in order to let the agent send `sw3` header. In default, `sw3`/`sw6` headers could be received, `sw6` sent only.

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