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etcd VS JSON Web Token

Compare etcd VS JSON Web Token and see what are their differences

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  3. » Reviews
  4. » Alternatives

etcd logo etcd

A distributed, reliable key-value store for the most critical data of a distributed system

JSON Web Token logo JSON Web Token

JSON Web Tokens are an open, industry standard RFC 7519 method for representing claims securely between two parties.
  • etcd Landing page
    Landing page //
    2021-07-29
  • JSON Web Token Landing page
    Landing page //
    2023-08-19

etcd features and specs

  • Consistency
    etcd uses the Raft consensus algorithm to ensure strong consistency across distributed systems, making it ideal for scenarios where reliable data storage is critical.
  • High Availability
    By distributing data across multiple nodes, etcd ensures high availability and fault tolerance, allowing services to remain operational even if some nodes fail.
  • Simplicity
    etcd offers a simple key-value store interface, making it easy to understand and integrate with other services without requiring complex configurations.
  • Performance
    Optimized for fast reads and writes, etcd can handle large volumes of concurrent requests, making it suitable for high-performance applications.
  • Secure
    etcd provides excellent security features, including SSL/TLS encryption for data in transit and role-based access control to ensure that data access is tightly controlled.

Possible disadvantages of etcd

  • Resource Intensive
    Running etcd, especially in a clustered configuration, can be resource-intensive, requiring significant CPU and memory to ensure optimal performance and reliability.
  • Operational Complexity
    Although etcd itself is simple, managing a distributed etcd cluster can become complex, requiring expertise to configure and maintain properly.
  • Data Volume Limitations
    etcd is not designed as a general-purpose database and has limitations on how much data it can efficiently store, typically up to a few gigabytes per cluster.
  • Write Throughput
    The write throughput of etcd can be a bottleneck under heavy load, as it needs to ensure data consistency across nodes, which can introduce latency.
  • Limited Query Capabilities
    As a key-value store, etcd lacks the advanced querying capabilities of traditional databases, which may limit its use for complex data retrieval operations.

JSON Web Token features and specs

  • Stateless
    Since JWTs are self-contained, they do not require server-side sessions, enabling stateless authentication and reducing server memory usage.
  • Scalability
    JWTs can easily be used in distributed systems and microservices architectures due to their stateless nature, facilitating horizontal scaling.
  • Decentralized Issuance
    Multiple issuers can create and sign their own tokens, allowing for more decentralized and flexible authentication mechanisms.
  • Performance
    JWTs eliminate the need for database lookups during authenticating requests, as the token contains all the necessary information, which can lead to performance improvements.
  • Cross-domain and Mobile Compatible
    JWTs are widely supported by different platforms and can easily be used in cross-domain situations and with mobile applications.
  • Security
    JWTs can be signed and optionally encrypted, ensuring the authenticity and integrity of the data they carry.

Possible disadvantages of JSON Web Token

  • Size
    JWTs tend to be larger than session IDs, which can increase the amount of data transmitted during requests.
  • Expiration Handling
    Managing token expiration can be complex. Once a token is issued, it remains valid until it expires or is explicitly revoked.
  • No Built-in Revocation
    Unlike sessions, JWTs cannot be easily revoked server-side, making it difficult to immediately invalidate tokens without additional mechanisms.
  • Security Risks
    If a JWT is intercepted or compromised, it can be used until it expires. Thus, it should be properly secured and transmitted over HTTPS.
  • Token Overhead
    Embedding too much information in the token payload can lead to performance overhead and potential data exposure risks.
  • Complexity
    Implementing JWT correctly requires a thorough understanding of security practices and token lifecycle management, which can add complexity to the system.

etcd videos

+ Add

ETCD in Kubernetes

More videos:

  • Review - Service Discovery Zookeeper vs etcd vs consul أكتشاف الخدمات شرح عربى
  • Review - Episode#11 Working with ETCD - Backup and Restore Operations - Part#1

JSON Web Token videos

+ Add

JSON Web Tokens Suck - Randall Degges (DevNet Create 2018)

More videos:

  • Review - JSON Web Tokens with Public Key Signatures
  • Review - RFC 7519 JSON Web Token (JWT), Review

Category Popularity

0-100% (relative to etcd and JSON Web Token)

etcd

JSON Web Token

Web Servers
100 100%
Web Servers
0% 0
Identity Provider
0 0%
Identity Provider
100% 100
Web And Application Servers
100 100%
Web And Application Servers
0% 0
Identity And Access Management
0 0%
Identity And Access Management
100% 100

User comments

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Social recommendations and mentions

Based on our record, JSON Web Token should be more popular than etcd. It has been mentiond 300 times since March 2021. We are tracking product recommendations and mentions on various public social media platforms and blogs. They can help you identify which product is more popular and what people think of it.

etcd mentions (32)

  • Unlock your Kubernetes to run custom resource based microservices in any scale
    Unfortunately there is a big problem with custom controllers, they can't handle huge amount of data for several reasons. Kubernetes relies on ETCD for all data storage, which limits scalability, flexibility, and performance for complex or high-volume workloads. What kind of problems I'm talking about? - Source: dev.to / 10 days ago
  • AWS Config vs Kubernetes Native Policy Engines: Who Governs What?
    In Amazon EKS, AWS Config helps you track key components such as: EKS control plane logging, VPC settings and network exposure, encryption status for logs and secrets and IAM roles used by worker node groups. It can detect misconfigurations like: 🚫 Publicly accessible EKS clusters ⚠️ Disabled encryption for secrets stored in Kubernetes ETCD ⚠️ Ensures EKS clusters are running on currently supported versions,. - Source: dev.to / 11 days ago
  • The Double-Edged Sword of Microservices: Balancing Abstraction and Complexity
    Using a service discovery mechanism: A service discovery mechanism, such as etcd or ZooKeeper, can help to manage the complexity of microservices by providing a centralized registry of available services and their instances. - Source: dev.to / 6 months ago
  • Designing a fault-tolerant etcd cluster
    Etcd is an open-source leader-based distributed key-value datastore designed by a vibrant team of engineers at CoreOS in 2013 and donated to Cloud Native Computing Foundation (CNCF) in 2018. Since then, etcd has grown to be adopted as a datastore in major projects like Kubernetes, CoreDNS, OpenStack, and other relevant tools. Etcd is built to be simple, secure, reliable, and fast (benchmarked 10,000 writes/sec),... - Source: dev.to / 6 months ago
  • Kubernetes Cluster Architecture
    Etcd is a key value store for all cluster data. It is an etcd data store. So, It is highly available, reliable, and distributed. - Source: dev.to / 7 months ago
View more

JSON Web Token mentions (300)

  • Guide to JWT API Authentication
    Jwt.io is a great playground to get used to working with JWTs. - Source: dev.to / 17 days ago
  • Verifying Cognito access tokens - Comparing three JWT packages for Lambda authorizers
    The Lambda authorizer code decodes and verifies the token, and its business logic determines whether the request should proceed to the backend or be denied. Cognito access tokens are JSON Web Tokens (JWTs), and to simplify our coding, we might opt for an external package to handle token verification. - Source: dev.to / about 1 month ago
  • Authentication and Authorization Best Practices in ASP.NET Core
    You can decode the created JWT token using JWT IO web site to see what's inside. - Source: dev.to / about 2 months ago
  • How To Use JWT Token In React JS
    JWT.io – A great resource to decode, verify, and generate JWT tokens. - Source: dev.to / about 2 months ago
  • 12 Must-Have Online Tools for Every Web Developer in 2025
    Category: Token Debugging & Authentication Link: jwt.io. - Source: dev.to / 2 months ago
View more

What are some alternatives?

When comparing etcd and JSON Web Token, you can also consider the following products

Apache ZooKeeper - Apache ZooKeeper is an effort to develop and maintain an open-source server which enables highly reliable distributed coordination.

Auth0 - Auth0 is a program for people to get authentication and authorization services for their own business use.

Eureka - Eureka is a contact center and enterprise performance through speech analytics that immediately reveals insights from automated analysis of communications including calls, chat, email, texts, social media, surveys and more.

Firebase Authentication - Application and Data, Application Utilities, and User Management and Authentication

Apache Thrift - An interface definition language and communication protocol for creating cross-language services.

Spring Security - The Spring portfolio has many projects, including Spring Framework, Spring IO Platform, Spring Cloud, Spring Boot, Spring Data, Spring Security...

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