eBPF will help solve service mesh by getting rid of sidecars

• proposal

  5 694 7.6

  A repository for gRFCs (by grpc)

  

Not convinced that this a better solution then just implementing most of these features as part of the protocol. Most languages already support grpc load balancing.

https://github.com/grpc/proposal/blob/master/A27-xds-global-...

• HTTP Parser

  8 6,115 0.0 C

  Discontinued http request/response parser for c

  

It looks not too different from the majority of HTTP parsers out there written in C. Here is an example of NodeJS [0].

[0] https://github.com/nodejs/http-parser/blob/main/http_parser....

• InfluxDB

  www.influxdata.com sponsored

  Power Real-Time Data Analytics at Scale. Get real-time insights from all types of time series data with InfluxDB. Ingest, query, and analyze billions of data points in real-time with unbounded cardinality.

  

• pixie

  19 5,273 9.4 C++

  Instant Kubernetes-Native Application Observability

  

Bounded loop plus 1M instruction limits in the 5.4 kernel (no record at hands about the exact version), gives a large range of supported headers. Also note that these BPF code are on the network level, which is subject to the MTU limit as well, which usually is 1500 and now can be 10s of KBs (65,525 bytes maxmial in theory accroding to https://www.lifewire.com/definition-of-mtu-817948, but my networking knownledge is poor). These makes it possible to effectively handle all possible headers.

HTTP is actually fine.

HTTP2 will be a bigger issue as it has HPACK, and Huffman coding, that would be very complicated to maintain inside BPF runtime. I haven't thought about it closely yet. But based on our experience at http://px.dev, I am not aware of any glaring technical obstacles.

• metallb

  78 6,611 9.4 Go

  A network load-balancer implementation for Kubernetes using standard routing protocols

  

We reused the LB as much as possible to avoid the BGP thing. There's a thing called MetalLB designed around that though.

https://metallb.universe.tf/

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