user confined to a "rest rict-test" namespace per the Istio cluster setup guide2 2. Obtain the output of the following command (run with administrative access) and use it below in place of $GATEWAY takes a string of bytes and returns a small, fixed-size value. Hash functions guarantee that the same input always results in the same output. When used for security, the most important property of a hash function the difference between the legitimate and malicious files based on the hash. The following hash functions are not considered cryptographically secure and should not be used: • All MD-family hashes (such

ebpf Background Knowledge Prog type ● SOCK_OPS ➢ Set callbacks for TCP state changing ➢ Help functions: BPF_MAP_UPDATE_ELEM, BPF_SOCK_HASH_UPDATE ● SK_MSG ➢ Attach to a SOCKHASH map, capture the packets packets sent by a socket in SOCKHASH map and determine its destination socket ➢ Help functions: BPF_MSG_REDIRECT_HASH Istio Meetup China Work Flow of Acceleration ● sock_ops o Capture socket in specific

implement common Security, Observability, Service Routing & Discovery functions as features of the infrastructure - ○ Functions: TLS Termination, Traffic Management, Tracing, Rate Limiting, Protocol

prerouting input output postrouting Istio_inbound Istio_in_redirect Istio_output Istio_redirect iptables app1 envoy 15001 SO_ORIG INAL_DS T 路 由 prerouting input output postrouting Istio_inbound Istio_inbound Istio_in_redirect Istio_output Istio_redirect iptables 上 游 连 接 池 prerouting input output postrouting Istio_inbound Istio_in_redirect Istio_output Istio_redirect iptables envoy 15006 15006 prerouting input output postrouting Istio_inbound Istio_in_redirect Istio_output Istio_redirect iptables SO_ORIG INAL_DS T 路 由 上 游 连 接 池 12.localhost app2 15.lo 1 2 3.非本 POD、 非 Envoy

com/apache/incubator-skywalking/blob/master/docs/en/ concepts-and-designs/oal.md • Extendable Aggregation Functions • Aggregation Function • Count • Calls per minute • Avg response time • Sum • Thermodynamic

builds on Kubernetes and Istio to support deploying and serving of serverless applications and functions. http://www.servicemesher.com

and shift ● Packaged software ○ Non-Linux ○ unikernels ● Domain specific workloads ○ Network Functions (NFV) #IstioCon Hybrid and Multi Clouds #IstioCon Istio VM Integration is? A Tumultuous Odyssey…

communicates with Istiod to automate key and certificate rotation, like so: Istio-agent has two functions: 1. To receive SDS requests from Envoy and send certificate signing requests to the CA which typically

0xffffffff -- ctmask 0xffffffff # mark connection 1337 according to packet sent to application -A OUTPUT -p tcp -m connmark --mark 0x539 -j CONNMARK --restore-mark --nfmask 0xffffffff -- ctmask 0xffffffff