[this announcement is available online at https://s.apache.org/Wv9i ]

Open Source microservices framework in use at CeeWa Intelligent Technology, 
Huawei Cloud, iSoftStone, itcast, MedSci Medicine, Pactera, PICC, Tongji 
University, among others.

Wakefield, MA —24 October 2018— The Apache Software Foundation (ASF), the 
all-volunteer developers, stewards, and incubators of more than 350 Open Source 
projects and initiatives, announced today Apache® ServiceComb™ as a Top-Level 
Project (TLP).

Apache ServiceComb is an Open Source microservices software framework that 
enables developers to easily build and manage microservices-based applications 
efficiently and conveniently. The project was originally developed at Huawei 
and was donated to the Apache Incubator in November 2017.

"We are very proud that ServiceComb has arrived at this important milestone," 
said Willem Jiang, Vice President of Apache ServiceComb. “ServiceComb has 
evolved from a microservices software development kit to a full microservices 
solution in less than a year. While incubating in Apache, the number of 
ServiceComb users grew rapidly, and new developers are constantly coming in. It 
is amazing to grow at such a high rate."

As a one-stop microservices solution, Apache ServiceComb contains 3 

1) Java-Chassis - an out-of-the-box Java microservices SDK that includes four 
parts: service contract, programming model, running model and communication 
model, with a complete set of microservices governance abilities such as load 
balancing, fallback, rate limiting, and call stack tracing. Microservices 
governance and business logic are isolated.

2) Service-Center - a high-performance, highly available, stateless Golang 
implementation of the Service Discovery and Registration Center based on Etcd, 
which provides real-time service instance registration, real-time service 
instance notification, and inter-service testing based on contract.

3) Saga - provides an eventual consistency solution for distributed 
transactions which could be a pain point of microservices.

Apache ServiceComb's highlights include:

 - Asynchronous kernel - both synchronous and asynchronous programming models 
based on VertX effectively ensures high performance and low latency, both in 
traditional enterprise applications or in emerging businesses such as 
e-commerce, Internet, and IoT, to avoid avalanche effect when reaching peak 

 - Out-of-the-box experience - developers using the scaffolding website 
start.servicecomb.io, can launch microservices-based projects with integrated 
service registration, discovery, communication and microservices governance 
capabilities, and centralized configuration by default.

 - Open API - automatic code generation and isolating logic code from 
governance streamlines the DevOps pipeline, enabling different teams to 
efficiently and independently develop and manage code, test, and document using 
bidirectional contract files and OpenAPI.

Apache ServiceComb is in use at dozens of organizations, including CeeWa 
Intelligent Technology, Huawei Cloud, iSoftStone, itcast, MedSci Medicine, 
Pactera, PICC, and Tongji University, among others.

"In 2015, Huawei Cloud launched microservices-related services, and this is the 
original code base of ServiceComb," said Liao Zhenqin, General Manager of 
Huawei Cloud PaaS Product Department. "Apache ServiceComb is the core of Huawei 
Cloud microservices engine CSE. It is the defacto standard at Huawei, and is 
widely used on many major products, including Huawei Consumer Cloud, Huawei 
Cloud Core, Huawei EI, among others. We are very happy to see ServiceComb's 
rapid progress at in the Apache Incubator, and encourage more engineers to 
continue to accept and contribute to Open Source by becoming a part of the 
Apache Software Foundation volunteer community."

Huawei Consumer Cloud depends on Apache ServiceComb's high performance, low 
latency, and asynchronous technology to implement a 1,500+ node scale 
microservices that supports 400 million online mobile phone users. Using 
ServiceComb, the queries-per-second more than doubled, while reducing latency 
by 45%.

"We use Apache ServiceComb to build our 'intelligent brain' for drone control. 
ServiceComb is an out-of-the-box microservices solution, which provides the 
microservices governance abilities without any coding," said Zhou Sujian,  
Chief Architect of CeeWa Intelligent Technology. "Compared with using or 
implementing a traditional RPC framework, a lot of development resources are 
saved. With ServiceComb, both the team development and the node deployment 
efficiency are doubled, which are very exciting. We are also very happy to see 
ServiceCombs work on integrating Open Source distributed tracing systems such 
as Apache Zipkin, Apache SkyWalking and Prometheus, which greatly improved our 
cross-node chain tracing ability, and the team's efficiency to locate and solve 

"As microservices architecture is not a single-point technical issue, we need 
to response the rapid change of technology, organization, and processes flow," 
said Bao Yongwei, Vice President of Product Engineering Center at iSoftstone 
Smart City Technology. "Apache ServiceComb Java-Chassis does a good job, its 
core is implemented entirely on service contract which is based on OpenAPI that 
can help us automatically generate service skeleton code. This allows our teams 
to smoothly integrate our Smart City business system into microservices. We are 
very happy to see that our employees actively participate in the ServiceComb 
project and learned the Apache Way of open development with the Apache 
community. Apache ServiceComb is a star project, we strongly believe that 
participating in the ServiceComb community will help improve our software 
engineers' abilities."

"Apache ServiceComb has a solid community and a comprehensive technology 
background. The project's commitment to making it easier for enterprises to 
embrace microservices and cloud computing is impressive," said Yu Yang, Dean of 
itcast Institute. "Itcast selected ServiceComb as a microservices technology 
teaching material for education and training based on its good concepts on 
microservices design, excellent technical practice and perfect community 
"Graduating as an Apache Top-Level Project demonstrates that all contributors 
have a place with Apache ServiceComb, whether they were part of the project 
before it arrived at the Apache Incubator or joined the community during the 
incubation process," added Jiang. "It is a pleasure to collaborate with 
volunteers in this open, equal, and diverse environment. We welcome new 
ServiceComb contributors to help with code development,  evangelizing on 
innovations in microservices, promoting community development 'the Apache Way', 
and other ways of participating."

Availability and Oversight
Apache ServiceComb software is released under the Apache License v2.0 and is 
overseen by a self-selected team of active contributors to the project. A 
Project Management Committee (PMC) guides the Project's day-to-day operations, 
including community development and product releases. For downloads, 
documentation, and ways to become involved with Apache ServiceComb, visit 
http://servicecomb.apache.org/ and https://twitter.com/ServiceComb

About The Apache Software Foundation (ASF)
Established in 1999, the all-volunteer Foundation oversees more than 350 
leading Open Source projects, including Apache HTTP Server --the world's most 
popular Web server software. Through the ASF's meritocratic process known as 
"The Apache Way," more than 730 individual Members and 6,800 Committers across 
six continents successfully collaborate to develop freely available 
enterprise-grade software, benefiting millions of users worldwide: thousands of 
software solutions are distributed under the Apache License; and the community 
actively participates in ASF mailing lists, mentoring initiatives, and 
ApacheCon, the Foundation's official user conference, trainings, and expo. The 
ASF is a US 501(c)(3) charitable organization, funded by individual donations 
and corporate sponsors including Aetna, Anonymous, ARM, Bloomberg, Budget 
Direct, Capital One, Cerner, Cloudera, Comcast, Facebook, Google, Handshake, 
Hortonworks, Huawei, IBM, Indeed, Inspur, LeaseWeb, Microsoft, Oath, ODPi, 
Pineapple Fund, Pivotal, Private Internet Access, Red Hat, Target, and Union 
Investment. For more information, visit https://apache.org/ and 

© The Apache Software Foundation. "Apache", "ServiceComb", "Apache 
ServiceComb", and "ApacheCon" are registered trademarks or trademarks of the 
Apache Software Foundation in the United States and/or other countries. All 
other brands and trademarks are the property of their respective owners.

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