Welcome!

Java IoT Authors: Elizabeth White, Yeshim Deniz, Automic Blog, Liz McMillan, Carmen Gonzalez

Related Topics: @CloudExpo, Java IoT, Industrial IoT, Mobile IoT, Microservices Expo, Containers Expo Blog, SDN Journal

@CloudExpo: Article

Accelerate Mobile Application Development within Healthcare

Using API Management and Governance

Slide Deck from Gene Dragotta and Sachin Agarwal's Cloud Expo Presentation: A Peek into the Future of Mobile-Enabled Health Care

While unprecedented technological advances have been made in healthcare in areas such as genomics, digital imaging and Health Information Systems, access to this information has not been easy for both the healthcare provider and the patient themselves. Regulatory compliance and controls, information lock-in in proprietary Electronic Health Record systems and security concerns have made it difficult to share data across health care providers.

The opportunities inherent in mobile technology are dramatically changing the way healthcare business gets done. Healthcare provider professionals are adopting mobile devices and tablets as an alternative to desktops/laptops and using mobile applications to augment gaps in existing patient management system capabilities. Developing mobile applications for the healthcare industry has some unique challenges, particularly protecting your backend data services while making them available to mobile application frameworks and SDKs.

Mobile applications utilize messaging patterns similar to the client/server and AJAX patterns, however unlike desktop clients, mobile devices have to minimize client side processing to maximize battery life and also keep network chatter to a basic minimum. This is achieved by using RESTful APIs with machine-readable formats like JSON. The availability, reliability and performance of these API-based services are critical to the successful deployment and operating of your application.  Now add some healthcare domain requirements (encryption, security, etc.,) to this environment and there is a lot of work to do in addition to the actual coding of your mobile application.  An API management system will simplify exposing and consuming backend healthcare services through a variety of different channels. To successfully implement an API, you will need a tool that will enable simple enforcement of API controls, continuous monitoring capabilities, performance management, and assurance of high availability.

An API management system will typically provide capabilities for creating and registering service as follows:

  • Secure API Services
  • Manage API Lifecycles
  • Mediate and Virtualize Services
  • Govern Access to Services
  • Integrate Services and their Data
  • Support Authentication and Authorization for all APIs and Services, including OAuth, OpenID, SAML, Kerberos, WS-Security, LDAP and XACML
  • Support for all Major Security Standards, including WS*and WS-I

The focus of this article is to discuss how a unified API management and SOA governance platform can accelerate your organization's ability to deliver reliable, scalable and secure mobile applications for healthcare providers. First we will begin with the major technical challenges encountered when deploying healthcare-based mobile applications. Then we will discuss API management and governance platform expectations that can help you overcome these challenges such as the following:

  • Data Encryption
  • Access Control - Role and Application-based Access
  • Integration / Orchestration of data from Multiple Provider Systems
  • Mediation
  • Quality of Service Control
  • Usage Analytics / Event Management

Security - Encryption, Authentication and Authorization
A PKI facilitates users, applications and systems to exchange insecure data safely by encrypting it prior to transmission. Unlike traditional cryptography that uses private keys also known as symmetric cryptography, the public key infrastructure utilizes public key cryptography or asymmetric cryptography. This is used to authenticate a user or manage message encryption.

With asymmetrical cryptography, a public and private key are created simultaneously using the same algorithm (such as RSA) by the certificate authority. The private key is given to the requesting party and the public key is made publicly available (embedded within the certificate) in a location that all parties can access. The private key is used to decrypt text that has been encrypted with the public key. The certificate is used to authenticate the user.

Typically a PKI provides:

  • A certificate authority (CA) who issues and verifies the digital certificate. A certificate includes the public key or information about the public key
  • A registration authority (RA) acts as the verifier for the certificate authority before a digital certificate is issued to a requestor
  • Persistent storage of the certificates and keys
  • A certificate management system (creation, import, export, revocation, etc.)

In addition to authenticating with a validated digital certificate, using SAML, an SSO token, basic HTTP authentication, an X.509 certificate, an application token or a third-party IAM system are all popular approaches that can be used to securely connect your mobile application to back-end systems and data services residing with the HIE enterprise.

When health provider personnel authenticate themselves on systems that access patient health records; it's likely that different employees will require and qualify for various levels of data access based on their job description. For this reason, a role-based authentication / authorization framework is recommended. For example, the front office personnel may only have a need to see basic information such as patient demographics, insurance and medication information and a nurse might be required to have access to the entire patient's medical record. Having a framework for implementing role-based access will easily help filter and mask patient data attributes from un-authorized use.

Mediation and Service Orchestration
Where are your patient's medical records, how many sources of data needed to be aggregated, transformed and merged to assemble them, what formats of data do these sources of patient record fragments support etc.? Architects and developers typically face these questions when working with multiple systems both internally and externally to assemble a patient's holistic and contiguous health history or continuity of care document (HL7 CCD). Often developer are using integration engines such as Rhapsody, Mirth, etc., to transform HL7 messages, legacy EDI messages, database data, along with other source of patient information into in XML and usually exposed via a SOAP service.

Most mobile UX frameworks support some form of a model-view-controller runtime design pattern or at a minimum provide a way to perform an XMLHttpRequest to retrieve data. Whether using an MVC pattern or a lower-level URL request, REST is the preferred method (over SOAP) primarily for the simplicity of setting up the request. A SOAP service will return an XML document. When using a JavaScript-based framework such as Sencha Touch, using JSON for data objects is usually preferred. The mobile app framework's data store component prefers the use of a REST service and the data it returns to be in JSON format. With this approach, the integration engine is providing a SOAP/XML service, unless we re-write and convert the SOAP service to a REST service, the mobile application will need to mediate between the SOAP and REST protocols and XML and JSON object formats.

In addition to mediation, service orchestration and the creation of compound services are a common requirement for health care oriented mobile applications. As an example, in order to create a patient's HL7 CCD, patient data usually resides within multiple systems, data service requests (primitives) to these systems will need to be orchestrated to form the resulting CCD dataset. In some cases, data returned from some of the primitive service requests may require some transformation or may be used as input to a subsequent request. Encapsulating and abstracting multiple primitive requests and any associated logic into a single composite service operation will reduce overall mobile application implementation complexity and message traffic between the mobile device and the HIE data center.

Policy-based Governance Controls for API Services
In most cases, we probably want different licenses with different levels of service (and access) to the backend APIs that enable our mobile applications. The levels of service could be measured in throughput, the bandwidth consumed over time, concurrency and availability.

Within the realm of health care you might want to have some specific controls or governance policies regarding the use of the HIE's back-end system services or APIs. Below are some QoS and SLA examples.

  • Allow APIs to be called no more than 10 times per minute per device
  • Allow devices to consume no more than 100MB per hour
  • Prevent devices from outside the trusted country list (user-defined)
  • Allow devices with this IP address range x.x.x.x-x.x.x.x to access the service layer
  • Prevent Denial-of-Service attacks with quota management and white/blacklisting
  • Only allow certain APIs to be called by specific user roles

The back-end services within the HEI should be deployed within an infrastructure that can provide a similar level of API governance.

Usage Analytics
In order to understand how your HEI back-end service layer is performing and being utilized by its application consumers, the API management platform should provide access to real-time API usage statistics, API status and event and SLA violation monitoring. These analytics can be used for troubleshooting, performance tuning, threat detection and various usage reports.

Most enterprises utilize a dashboard and reporting system that ingests telemetry data from a variety of systems within the enterprise. Data from these systems are combined to create a complete picture of enterprise system activity. Therefore it may become important to have a capability that can export or publish API management system telemetry data to an enterprise activity monitoring system or reporting data warehouse.

Conclusion
Healthcare-focused mobile applications contain complex use cases and have strict operational requirements. Security models, message protocol mediation services, service usage statistic collection, data transformations and service orchestration functions are all features that can easily be added to your mobile application by leveraging and integrating an API management and governance system with your service oriented architecture.

More Stories By Gene Dragotta and Sachin Agarwal

Gene Dragotta is a senior software developer and architect with 20 years of experience building distributed systems for the finance, insurance, government, military and the health care sector domains. Mr. Dragotta recently completed and deployed a mobile solution that utilizes the HL7 messaging protocol to remotely manage emergency battlefield dialysis treatments from a mobile device. Additionally Gene spent 3 years as a Tibco / Data Synapse Cloud Computing solutions architect building private and hybrid cloud computing infrastructures and migrating applications to those environments.

Sachin Agarwal is Vice President of Product Marketing and Strategy at SOA Software. He possesses more than 17 years of enterprise and startup experience focussing on using disruptive technologies to drive business growth. His expertise spans from infrastructure technologies like security and middleware to business centric applications like social, digital marketing, and analytics. At SOA Software he drives product marketing, strategy and customer adoption for API Management solutions. Prior to SOA Software, he held senior management roles in Product Management and Development at Oracle, Oblix and Infosys.

Comments (0)

Share your thoughts on this story.

Add your comment
You must be signed in to add a comment. Sign-in | Register

In accordance with our Comment Policy, we encourage comments that are on topic, relevant and to-the-point. We will remove comments that include profanity, personal attacks, racial slurs, threats of violence, or other inappropriate material that violates our Terms and Conditions, and will block users who make repeated violations. We ask all readers to expect diversity of opinion and to treat one another with dignity and respect.


@ThingsExpo Stories
SYS-CON Events announced today that Grape Up will exhibit at SYS-CON's 21st International Cloud Expo®, which will take place on Oct. 31 – Nov 2, 2017, at the Santa Clara Convention Center in Santa Clara, CA. Grape Up is a software company specializing in cloud native application development and professional services related to Cloud Foundry PaaS. With five expert teams that operate in various sectors of the market across the U.S. and Europe, Grape Up works with a variety of customers from emergi...
@ThingsExpo has been named the Most Influential ‘Smart Cities - IIoT' Account and @BigDataExpo has been named fourteenth by Right Relevance (RR), which provides curated information and intelligence on approximately 50,000 topics. In addition, Right Relevance provides an Insights offering that combines the above Topics and Influencers information with real time conversations to provide actionable intelligence with visualizations to enable decision making. The Insights service is applicable to eve...
SYS-CON Events announced today that Hitachi Data Systems, a wholly owned subsidiary of Hitachi LTD., will exhibit at SYS-CON's 20th International Cloud Expo®, which will take place on June 6-8, 2017, at the Javits Center in New York City. Hitachi Data Systems (HDS) will be featuring the Hitachi Content Platform (HCP) portfolio. This is the industry’s only offering that allows organizations to bring together object storage, file sync and share, cloud storage gateways, and sophisticated search an...
DevOps is often described as a combination of technology and culture. Without both, DevOps isn't complete. However, applying the culture to outdated technology is a recipe for disaster; as response times grow and connections between teams are delayed by technology, the culture will die. A Nutanix Enterprise Cloud has many benefits that provide the needed base for a true DevOps paradigm.
@GonzalezCarmen has been ranked the Number One Influencer and @ThingsExpo has been named the Number One Brand in the “M2M 2016: Top 100 Influencers and Brands” by Analytic. Onalytica analyzed tweets over the last 6 months mentioning the keywords M2M OR “Machine to Machine.” They then identified the top 100 most influential brands and individuals leading the discussion on Twitter.
SYS-CON Events announced today that T-Mobile will exhibit at SYS-CON's 20th International Cloud Expo®, which will take place on June 6-8, 2017, at the Javits Center in New York City, NY. As America's Un-carrier, T-Mobile US, Inc., is redefining the way consumers and businesses buy wireless services through leading product and service innovation. The Company's advanced nationwide 4G LTE network delivers outstanding wireless experiences to 67.4 million customers who are unwilling to compromise on ...
With major technology companies and startups seriously embracing Cloud strategies, now is the perfect time to attend @CloudExpo | @ThingsExpo, June 6-8, 2017, at the Javits Center in New York City, NY and October 31 - November 2, 2017, Santa Clara Convention Center, CA. Learn what is going on, contribute to the discussions, and ensure that your enterprise is on the right path to Digital Transformation.
20th Cloud Expo, taking place June 6-8, 2017, at the Javits Center in New York City, NY, will feature technical sessions from a rock star conference faculty and the leading industry players in the world. Cloud computing is now being embraced by a majority of enterprises of all sizes. Yesterday's debate about public vs. private has transformed into the reality of hybrid cloud: a recent survey shows that 74% of enterprises have a hybrid cloud strategy.
Data is an unusual currency; it is not restricted by the same transactional limitations as money or people. In fact, the more that you leverage your data across multiple business use cases, the more valuable it becomes to the organization. And the same can be said about the organization’s analytics. In his session at 19th Cloud Expo, Bill Schmarzo, CTO for the Big Data Practice at Dell EMC, introduced a methodology for capturing, enriching and sharing data (and analytics) across the organization...
Five years ago development was seen as a dead-end career, now it’s anything but – with an explosion in mobile and IoT initiatives increasing the demand for skilled engineers. But apart from having a ready supply of great coders, what constitutes true ‘DevOps Royalty’? It’ll be the ability to craft resilient architectures, supportability, security everywhere across the software lifecycle. In his keynote at @DevOpsSummit at 20th Cloud Expo, Jeffrey Scheaffer, GM and SVP, Continuous Delivery Busine...
With major technology companies and startups seriously embracing IoT strategies, now is the perfect time to attend @ThingsExpo 2016 in New York. Learn what is going on, contribute to the discussions, and ensure that your enterprise is as "IoT-Ready" as it can be! Internet of @ThingsExpo, taking place June 6-8, 2017, at the Javits Center in New York City, New York, is co-located with 20th Cloud Expo and will feature technical sessions from a rock star conference faculty and the leading industry p...
SYS-CON Events announced today that Juniper Networks (NYSE: JNPR), an industry leader in automated, scalable and secure networks, will exhibit at SYS-CON's 20th International Cloud Expo®, which will take place on June 6-8, 2017, at the Javits Center in New York City, NY. Juniper Networks challenges the status quo with products, solutions and services that transform the economics of networking. The company co-innovates with customers and partners to deliver automated, scalable and secure network...
New competitors, disruptive technologies, and growing expectations are pushing every business to both adopt and deliver new digital services. This ‘Digital Transformation’ demands rapid delivery and continuous iteration of new competitive services via multiple channels, which in turn demands new service delivery techniques – including DevOps. In this power panel at @DevOpsSummit 20th Cloud Expo, moderated by DevOps Conference Co-Chair Andi Mann, panelists will examine how DevOps helps to meet th...
SYS-CON Events announced today that Hitachi, the leading provider the Internet of Things and Digital Transformation, will exhibit at SYS-CON's 20th International Cloud Expo®, which will take place on June 6-8, 2017, at the Javits Center in New York City, NY. Hitachi Data Systems, a wholly owned subsidiary of Hitachi, Ltd., offers an integrated portfolio of services and solutions that enable digital transformation through enhanced data management, governance, mobility and analytics. We help globa...
SYS-CON Events announced today that Hitachi, the leading provider the Internet of Things and Digital Transformation, will exhibit at SYS-CON's 20th International Cloud Expo®, which will take place on June 6-8, 2017, at the Javits Center in New York City, NY. Hitachi Data Systems, a wholly owned subsidiary of Hitachi, Ltd., offers an integrated portfolio of services and solutions that enable digital transformation through enhanced data management, governance, mobility and analytics. We help globa...
Most technology leaders, contemporary and from the hardware era, are reshaping their businesses to do software in the hope of capturing value in IoT. Although IoT is relatively new in the market, it has already gone through many promotional terms such as IoE, IoX, SDX, Edge/Fog, Mist Compute, etc. Ultimately, irrespective of the name, it is about deriving value from independent software assets participating in an ecosystem as one comprehensive solution.
The explosion of new web/cloud/IoT-based applications and the data they generate are transforming our world right before our eyes. In this rush to adopt these new technologies, organizations are often ignoring fundamental questions concerning who owns the data and failing to ask for permission to conduct invasive surveillance of their customers. Organizations that are not transparent about how their systems gather data telemetry without offering shared data ownership risk product rejection, regu...
NHK, Japan Broadcasting, will feature the upcoming @ThingsExpo Silicon Valley in a special 'Internet of Things' and smart technology documentary that will be filmed on the expo floor between November 3 to 5, 2015, in Santa Clara. NHK is the sole public TV network in Japan equivalent to the BBC in the UK and the largest in Asia with many award-winning science and technology programs. Japanese TV is producing a documentary about IoT and Smart technology and will be covering @ThingsExpo Silicon Val...
SYS-CON Events announced today that SoftLayer, an IBM Company, has been named “Gold Sponsor” of SYS-CON's 18th Cloud Expo, which will take place on June 7-9, 2016, at the Javits Center in New York, New York. SoftLayer, an IBM Company, provides cloud infrastructure as a service from a growing number of data centers and network points of presence around the world. SoftLayer’s customers range from Web startups to global enterprises.
Bert Loomis was a visionary. This general session will highlight how Bert Loomis and people like him inspire us to build great things with small inventions. In their general session at 19th Cloud Expo, Harold Hannon, Architect at IBM Bluemix, and Michael O'Neill, Strategic Business Development at Nvidia, discussed the accelerating pace of AI development and how IBM Cloud and NVIDIA are partnering to bring AI capabilities to "every day," on-demand. They also reviewed two "free infrastructure" pr...