unifying the data center: innovation that drive business outcomes · unifying the data center:...

46
Unifying the Data Center: Innovation that Drive Business Outcomes Darryl McKinnon Managing Director Cisco Data Center, Asia Pacific & Japan Wednesday 2 nd April 2015 @dc_darrylm

Upload: others

Post on 18-Mar-2020

0 views

Category:

Documents


0 download

TRANSCRIPT

Page 1: Unifying the Data Center: Innovation that Drive Business Outcomes · Unifying the Data Center: Innovation that Drive Business Outcomes Darryl McKinnon Managing Director Cisco Data

Unifying the Data Center: Innovation that Drive Business Outcomes

Darryl McKinnon Managing Director Cisco Data Center, Asia Pacific & Japan

• Wednesday 2nd April 2015

@dc_darrylm

Page 2: Unifying the Data Center: Innovation that Drive Business Outcomes · Unifying the Data Center: Innovation that Drive Business Outcomes Darryl McKinnon Managing Director Cisco Data

Changing Role

of Data Center

Extending to

the Edge

Private

Cloud/Hybrid

Cloud

Policy Based

Automation

Open

Architecture

Unifying & Automating The Data Center to Deliver Fast IT

Today’s Agenda

Page 3: Unifying the Data Center: Innovation that Drive Business Outcomes · Unifying the Data Center: Innovation that Drive Business Outcomes Darryl McKinnon Managing Director Cisco Data

277X Data created by IoE devices v. end-user

3X Global DC IP traffic by 2018

55% Hybrid Clouds

adoption plan in 2 years

Source: Cisco Global Cloud Index (2013-18) and Forrester Business Global Infrastructure Survey, 2014

Cisco Confidential 3 © 2015 Cisco and/or its affi l iates. All rights reserved.

Data Center & Cloud Strategy Critical to IT Transformation

Page 4: Unifying the Data Center: Innovation that Drive Business Outcomes · Unifying the Data Center: Innovation that Drive Business Outcomes Darryl McKinnon Managing Director Cisco Data

Centralized

Intelligence | Analytics | Security

Cisco Confidential 4 © 2015 Cisco and/or its affi l iates. All rights reserved.

Cloud

Data Center

Traditional Data Center Boundaries are Shifting…

Page 5: Unifying the Data Center: Innovation that Drive Business Outcomes · Unifying the Data Center: Innovation that Drive Business Outcomes Darryl McKinnon Managing Director Cisco Data

Distributed

Intelligence | Analytics | Security

Data Center

Cloud

Transport Point Of sale

Retail Healthcare

… To Where Data And Applications Are …

Page 6: Unifying the Data Center: Innovation that Drive Business Outcomes · Unifying the Data Center: Innovation that Drive Business Outcomes Darryl McKinnon Managing Director Cisco Data

RJM

Featured Search Services Amenities Map

HOT DEAL!!!

Buy One Men’s T-

Shirt, Get One Free

x

DATA CENTER/CLOUD

• Opt-In Policy

• Secure Payment System Integration

• Personalization preferences

• Real-Time Analytics

• Store Data Backup

Lowestprice.ne

t

LowestPrice.net

Logan Wool

Sweater

Find it!

Compare Prices Instantly!

RJM Price Match

Guarantee. Buy

Now!

x

RJM

Featured Search Services Amenities Map

Thank you for

your purchase.

Your receipt is

saved to your

wallet.

View Receipt

See promotional

information from

our mall partners

x

Location-Based App Engagement – Personalized Promotions

Retail Example Transform Shopping Experience with Personalized Wi-FI Services and Centralized Policy

Page 7: Unifying the Data Center: Innovation that Drive Business Outcomes · Unifying the Data Center: Innovation that Drive Business Outcomes Darryl McKinnon Managing Director Cisco Data

Consolidation

Virtualization

IT as a

Service

Hybrid

Cloud

TRADITIONAL

DATA CENTER

2000 2008 2015

Automation

ADOPTION CURVE

Efficiency

Connected Experiences

The Next 5+ years

We are here

Simplicity

Agility

Standardization

The IoE Era

IaaS | PaaS | SaaS |

XaaS

We Are at the Beginning of a Major Shift

DISTRIBUTED CLOUD

DATA CENTER

Page 8: Unifying the Data Center: Innovation that Drive Business Outcomes · Unifying the Data Center: Innovation that Drive Business Outcomes Darryl McKinnon Managing Director Cisco Data

Operational Simplicity, Automation and Analytics

CUSTOMER NEEDS

Fog/Edge

Public Clouds

Private Clouds

Partner Clouds

Data Center Cloud

APP

Seamless Data Center Extension to Fog/Edge

Cloud-Scale Applications

MSFT / SAP / ORACLE MOBILE / IOT / ANALYTICS DEVOPS / WEBSCALE

The Role of the Data Center Needs to Expand

Page 9: Unifying the Data Center: Innovation that Drive Business Outcomes · Unifying the Data Center: Innovation that Drive Business Outcomes Darryl McKinnon Managing Director Cisco Data

BUSINESS REQUIREMENTS

Compute Cloud Network

BUSINESS OUTCOMES

Policy

Policy

P olicy

Business Agility New Business Models Lower TCO

Cisco Data Center Strategy Defined by Applications. Driven by Policy. Delivered as a Service

Page 10: Unifying the Data Center: Innovation that Drive Business Outcomes · Unifying the Data Center: Innovation that Drive Business Outcomes Darryl McKinnon Managing Director Cisco Data

Policy Driven

Infrastructure

(ACI/UCS)

Fog-Edge Intercloud

SDN/SDI EDGE COMPUTING Application Centric Policy-

driven Automation and

Governance for Software

Defined Infrastructure

Distributed DC Edge

Experiences, Analytics,

IoE/IoE

HYBRID CLOUDS Secure and efficient

transport of workloads

between public and

private clouds

Cisco DC and Cloud Strategy Delivered on an Open Architecture

Page 11: Unifying the Data Center: Innovation that Drive Business Outcomes · Unifying the Data Center: Innovation that Drive Business Outcomes Darryl McKinnon Managing Director Cisco Data

Healthcare Services

“Specify firewall and

encryption rules for HIPAA

compliant workloads ensures

patient privacy”

Cloud Operator

“Deploy applications from

different business units on

separate dev and production

networks. ”

“Backup video

surveillance data at 10

PM every night ”

Security Services

Data Center Administration

“SLA, QoS, Security,

Load balancing”

Business Intent and Application Requirement Dictate IT Infrastructure Policies

Policy & Data Center Automation Enable New Service Models

Page 12: Unifying the Data Center: Innovation that Drive Business Outcomes · Unifying the Data Center: Innovation that Drive Business Outcomes Darryl McKinnon Managing Director Cisco Data

1. Policy Based Architectures and

Automation (Building Blocks)

Cisco Confidential 12

Page 13: Unifying the Data Center: Innovation that Drive Business Outcomes · Unifying the Data Center: Innovation that Drive Business Outcomes Darryl McKinnon Managing Director Cisco Data

Network Language

Compute Language

Security Language

Application Language

• Application tier policy and

dependencies

• Security requirements

• Service level agreement

• Application performance

• Compliance

• Geo dependencies

Decouple Application AND

policy from UNDERLYING

infrastructure Infrastructure

Common

Policy

App

Network

Profile

USC

Service

Profile

Policy – Linking the Application Language to Infrastructure

Page 14: Unifying the Data Center: Innovation that Drive Business Outcomes · Unifying the Data Center: Innovation that Drive Business Outcomes Darryl McKinnon Managing Director Cisco Data

Unified Compute Nexus Data Center Switching

Application Centric

Infrastructure

Integrated Solutions

Consistent Management, Automation and Policy

Simplified Operations Business Agility Reduced Costs

Stateless Computing Stateless Networking Policy Driven Storage

Comprehensive Security

Cisco Policy Architected Data Center

Page 15: Unifying the Data Center: Innovation that Drive Business Outcomes · Unifying the Data Center: Innovation that Drive Business Outcomes Darryl McKinnon Managing Director Cisco Data

Unified Management

Subject Matter Experts Define Policies

Policies Used to Create Service Profile Template

Service Profile Templates Create Service Profiles

Associates Service Profiles with Hardware Configures Servers Automatically

1 2 3 4

Storage SME Server SME Network SME

Server Policy…

Storage Policy…

Network Policy…

Virtualization Policy…

Application Profiles…

Server Name

UUID, MAC, WWN

Boot Information

LAN, SAN Config

Firmware Policy

Server Name UUID, MAC, WWN Boot Information LAN, SAN Config Firmware Policy

Server Name UUID, MAC, WWN Boot Information LAN, SAN Config Firmware Policy

Server Name UUID, MAC, WWN Boot Information LAN, SAN Config Firmware Policy

Server Name UUID, MAC, WWN Boot Information LAN, SAN Config Firmware Policy

Stateless Compute

Page 16: Unifying the Data Center: Innovation that Drive Business Outcomes · Unifying the Data Center: Innovation that Drive Business Outcomes Darryl McKinnon Managing Director Cisco Data

Data Center 1 Data Center 2 Data Center 3 Data Center 4

UCS

Management

Servers Infrastructre

& Cabling

Power &

Cooling Provisioning

Ongoing

Administration

System

Management

Real World

TCO Examples

Unifies management of multiple UCS domains

Centralizes global policies

Simplifies global operations

Foundation for efficient global administration

Combines local performance and tiered control

Model based API

Extend Expertise Reach and Scale

Page 17: Unifying the Data Center: Innovation that Drive Business Outcomes · Unifying the Data Center: Innovation that Drive Business Outcomes Darryl McKinnon Managing Director Cisco Data

Cisco Confidential 17 © 2015 Cisco and/or its affi l iates. All rights reserved.

Cisco Unified Computing System Fastest Growing Product in the Market

41,000+ UNIQUE UCS CUSTOMERS 2

Top 5 Server Vendor 1

100 world record performance benchmarks to date

3,700+ UCS CHANNEL PARTNERS

#2 WW revenue market share in x86 blades 1

Source: 1 IDC Worldwide Quarterly Server Tracker, 2014Q1, May 2014, Vendor Revenue Share Source: 2 As of Cisco Q3FY14 earnings results Data Center Revenue is defined as Cisco UCS and Nexus 1000V

More than 85% of all customers have invested in UCS

Fortune 500

$3B+ Data Center Annualized Revenue Run Rate 2

Page 18: Unifying the Data Center: Innovation that Drive Business Outcomes · Unifying the Data Center: Innovation that Drive Business Outcomes Darryl McKinnon Managing Director Cisco Data

Country Rank 2014

Korea (Rep.) 1

Australia 1

South Africa 1

United States of America 2

United Kingdom 2

New Zealand 2

Netherlands 2

Spain 2

Canada 2

Brazil 2

Mexico 2

Saudi Arabia 2

Poland 2

Germany 2

Singapore 2

Thailand 2

Philippines 2

Vietnam 2

Sweden 2

Switzerland 2

PRC 3

India 3

Indonesia 3

Korea (Rep.) #1

UCS Momentum – Worldwide Marketshare

Source: IDC as of Q4 CY14

Thank You Korea!

Page 19: Unifying the Data Center: Innovation that Drive Business Outcomes · Unifying the Data Center: Innovation that Drive Business Outcomes Darryl McKinnon Managing Director Cisco Data

Cisco Confidential 19 © 2015 Cisco and/or its affi l iates. All rights reserved.

Cisco is #1 and a partner in ~69%

of all Integrated Infrastructure* Exclusive in the top 3 solutions (FlexPod and

Vblock) and ~50% in the #3 solution (VSPEX)*

UCS Integrated Infrastructure

Cisco

UCS

Cisco

Nexus

UCS Director

Vblock FlexPod HDS UCP

Select VSPEX SmartStack

*IDC Worldwide Integrated Infrastructure & Platforms Tracker, April 29, 2014

VersaStack UCS for Red Hat

OpenStack

UCS Integrated Infrastructure

Page 20: Unifying the Data Center: Innovation that Drive Business Outcomes · Unifying the Data Center: Innovation that Drive Business Outcomes Darryl McKinnon Managing Director Cisco Data

Comprehensive Automation

Across all Layers

• Standardized infrastructure

resources in minutes

• End-to-end hardware and

software solution

Self-Service User Experience

• On-demand consumption

and service management

• Consistent policies for

existing and new applications

Hybrid-Ready Private Cloud

• Choice, Consistency, Control,

Compliance

• Seamless user experience

& lifecycle management

Accelerate Application

Development & Deployment

• Out-of-box templates for

enterprise applications

• Built-in tools to build custom

application stacks

Delivers Speed and Consistency to the Business

Cisco ONE Enterprise Cloud Suite

Page 21: Unifying the Data Center: Innovation that Drive Business Outcomes · Unifying the Data Center: Innovation that Drive Business Outcomes Darryl McKinnon Managing Director Cisco Data

Cisco Confidential 21 © 2015 Cisco and/or its affi l iates. All rights reserved.

Profiles – Single Identify for Policy Automation

SIM Card Identity for a Phone

Service Profile Identity for a Server

UCS Service Profile Unified Device Management

Network Policy

Storage Policy

Server Policy

Application Profile Identity for the Network

Page 22: Unifying the Data Center: Innovation that Drive Business Outcomes · Unifying the Data Center: Innovation that Drive Business Outcomes Darryl McKinnon Managing Director Cisco Data

SLA

QoS

Security

Load Balancing APP PROFILE

CONNECTIVITY POLICY

SECURITY POLICIES

QOS STORAGE AND

COMPUTE

APPLICATION L4..7

SERVICES

Stateless Network

Page 23: Unifying the Data Center: Innovation that Drive Business Outcomes · Unifying the Data Center: Innovation that Drive Business Outcomes Darryl McKinnon Managing Director Cisco Data

WAN

Firewall

LB to App

Connect to

DB

Connect to

App

High Priority

Application

Requirements

DB WEB APP F/W

ADC ADC

Directly Map to ACI Network Profiles

Network

Requirements

WEB APP DB

ACI Understands and Speaks Application Needs

Page 24: Unifying the Data Center: Innovation that Drive Business Outcomes · Unifying the Data Center: Innovation that Drive Business Outcomes Darryl McKinnon Managing Director Cisco Data

Cisco Confidential 24 © 2015 Cisco and/or its affi l iates. All rights reserved.

DATA CENTER ACCESS WAN

APIC EM APIC EM

CLOUD

Cisco ACI Common Policy Model

Page 25: Unifying the Data Center: Innovation that Drive Business Outcomes · Unifying the Data Center: Innovation that Drive Business Outcomes Darryl McKinnon Managing Director Cisco Data

ACI vs. SDN

75% TCO

Savings

Network

Virtualization

+ Merchant

Switches

$40 OpEx*

$100

VM Tax

$14 Network

$25 OpEx

$15 Network

$154

$40

App-

Centric

Cisco

• Starting level of automation

• Software-only SDN stops here

• ACI = Apps + Network + Security

• Open Source, APIs, and OpenStack

• ACI extends to enterprise and WAN

CapEx

27%

OpEx

73%

Before ACI

ACI Network OpEx

35% OpEx Savings

With ACI

Business Applications

Early ACI Implications: CapEX and OpEx Cisco Driving Industry-Leading Total Cost of Ownership (TCO)

Page 26: Unifying the Data Center: Innovation that Drive Business Outcomes · Unifying the Data Center: Innovation that Drive Business Outcomes Darryl McKinnon Managing Director Cisco Data

Cisco Confidential 27 © 2015 Cisco and/or its affi l iates. All rights reserved.

ACI By the Numbers

1,100+ Nexus 9K & ACI

Customers Globally

200+ APIC Customers

APIC

APPLICATION

COMPUTE NETWORK

CLOUD

STORAGE SECURITY

35 Ecosystem Partners

Page 27: Unifying the Data Center: Innovation that Drive Business Outcomes · Unifying the Data Center: Innovation that Drive Business Outcomes Darryl McKinnon Managing Director Cisco Data

Cisco Confidential 28 © 2015 Cisco and/or its affi l iates. All rights reserved.

Cisco ACI—Industry’s Best SDN Solution: Winning with a Systems Approach

CRN: Survey Shows Partners More Likely To Recommend Cisco ACI Than VMware NSX

Baird Equity Research surveyed 60 channel solution providers

By Kristin Bent , August 12, 2014

http://www.crn.com/news/networking/300073664/survey-shows-partners-more-likely-to-recommend-cisco-aci-than-vmware-nsx.htm

Would recommend

Nexus 9K Run SDN on top (ACI,

NSX or other solution)

75% 43% 22% 2% Would

recommend Nexus 9K & APIC

Over NSX

Would recommend N9K with NSX on Top as an Integrated

Solution

Would recommend NSX on White-box or non-Cisco gear

Page 28: Unifying the Data Center: Innovation that Drive Business Outcomes · Unifying the Data Center: Innovation that Drive Business Outcomes Darryl McKinnon Managing Director Cisco Data

Cisco Confidential 29 © 2015 Cisco and/or its affi l iates. All rights reserved.

Common Policy and Workload Mobility Across All Deployment Models

Page 29: Unifying the Data Center: Innovation that Drive Business Outcomes · Unifying the Data Center: Innovation that Drive Business Outcomes Darryl McKinnon Managing Director Cisco Data

2. Intercloud - Blurring

Boundaries Between Private,

Public and Provider Clouds

Cisco Confidential 30

Page 30: Unifying the Data Center: Innovation that Drive Business Outcomes · Unifying the Data Center: Innovation that Drive Business Outcomes Darryl McKinnon Managing Director Cisco Data

Cisco Confidential 31 © 2015 Cisco and/or its affi l iates. All rights reserved.

5-10X Cloud services typically purchased without IT involvement (Cisco)

Vis

ibili

ty

50% Global 1000 companies that will have customer data stored in the public cloud by 2016 (Gartner)

Ris

k

90% Percentage of IT expenditures spent outside of IT budget by 2020 (Gartner)

Co

st

The CIO’s Challenge

Page 31: Unifying the Data Center: Innovation that Drive Business Outcomes · Unifying the Data Center: Innovation that Drive Business Outcomes Darryl McKinnon Managing Director Cisco Data

Cisco Confidential 32 © 2015 Cisco and/or its affi l iates. All rights reserved. Private Cloud

World of Many Clouds

Page 32: Unifying the Data Center: Innovation that Drive Business Outcomes · Unifying the Data Center: Innovation that Drive Business Outcomes Darryl McKinnon Managing Director Cisco Data

Cisco Confidential 33 © 2015 Cisco and/or its affi l iates. All rights reserved. Private Cloud

Imagine the Possibilities…

Page 33: Unifying the Data Center: Innovation that Drive Business Outcomes · Unifying the Data Center: Innovation that Drive Business Outcomes Darryl McKinnon Managing Director Cisco Data

Cisco Confidential 34 © 2015 Cisco and/or its affi l iates. All rights reserved.

www.youtube.com/watch?v=mcyUBsPSaWQ

Page 34: Unifying the Data Center: Innovation that Drive Business Outcomes · Unifying the Data Center: Innovation that Drive Business Outcomes Darryl McKinnon Managing Director Cisco Data

Cisco Confidential 35 © 2015 Cisco and/or its affi l iates. All rights reserved.

HCS

Microsoft Suite aaS

DRaaS

PaaS

IaaS

Enterprise Private Clouds

Public Clouds

Partner Clouds

Cloud Services and Applications

Meraki

Security

Analytics

vDesktop aaS

WebEx

HANA aaS

IOE aaS

Collaboration and Video

Big Data and Analytics Native Cloud

Applications Enterprise Workloads

Intercloud Strategy – For The World of Many Clouds

Page 35: Unifying the Data Center: Innovation that Drive Business Outcomes · Unifying the Data Center: Innovation that Drive Business Outcomes Darryl McKinnon Managing Director Cisco Data

Cisco Confidential 36 © 2015 Cisco and/or its affi l iates. All rights reserved.

Why Hybrid Cloud?

Page 36: Unifying the Data Center: Innovation that Drive Business Outcomes · Unifying the Data Center: Innovation that Drive Business Outcomes Darryl McKinnon Managing Director Cisco Data

Cisco Confidential 37

3. Extending to

the Edge

Page 37: Unifying the Data Center: Innovation that Drive Business Outcomes · Unifying the Data Center: Innovation that Drive Business Outcomes Darryl McKinnon Managing Director Cisco Data

Operational Consistency Data Mobility Optimized Form Factors

UCS Mini

UCS

Mini

UCS for

Enterprise

UCS for Hadoop

Nexus Family

ISR

APIC EM

AP MS

CGR

IE

Video

Cloud Services and Applications

Partner Clouds

Intercloud Fog & Edge Core Data Center

Cisco Connected Infrastructure From the Data Center to the Edge

Page 38: Unifying the Data Center: Innovation that Drive Business Outcomes · Unifying the Data Center: Innovation that Drive Business Outcomes Darryl McKinnon Managing Director Cisco Data

Pre-tested and pre-validated reference architectures

Fabric-based infrastructure integrates computing, networking, and storage resources

Accelerate infrastructure deployment and automate management with a single management pane for Hadoop clusters

Performance

Optimized High

Performance

Big Data

Starter

Cisco UCS Integrated Infrastructure for Big Data Optimized for Big Data Workloads Today and Tomorrow

UCS 6200 Series Fabric Interconnects

UCS Manager, UCS Director Express

UCS C220/C240 M4 Servers

LAN, SAN, Management

Big Data

Solutions Capacity

Optimized Extreme

Capacity

Page 39: Unifying the Data Center: Innovation that Drive Business Outcomes · Unifying the Data Center: Innovation that Drive Business Outcomes Darryl McKinnon Managing Director Cisco Data

Cisco Confidential 40

4. Delivered Through An

Open Architecture

Page 40: Unifying the Data Center: Innovation that Drive Business Outcomes · Unifying the Data Center: Innovation that Drive Business Outcomes Darryl McKinnon Managing Director Cisco Data

Open Source

UCS ACI Inter-

cloud

OpFlex NSH VXLAN

RESTful APIs ( XML)

(JSON)

Open Standards

Open Interfaces Open Ecosystem

Data Centers Built on Open Architectures

Page 41: Unifying the Data Center: Innovation that Drive Business Outcomes · Unifying the Data Center: Innovation that Drive Business Outcomes Darryl McKinnon Managing Director Cisco Data

What Started with UCS….

ACI Ecosystem Partners

Is Extending to the Network And Intercloud!

Cisco Unified

Management

Storage

VB LO CK

H D S U CP

FLEXP O D

VS P EX

An Open Ecosystem Approach

Page 42: Unifying the Data Center: Innovation that Drive Business Outcomes · Unifying the Data Center: Innovation that Drive Business Outcomes Darryl McKinnon Managing Director Cisco Data

Reduce Provisioning

Times

58% Reduce

Management Costs

21% Reduce

Power and Cooling Costs

45% CAPEX

Reduction

25% Compute and

Storage Optimization

20%

Greater Business Agility

Lower Capital Expenses

Reduced Costs/ Complexity

Lower Operating

Cost

Resource Optimization

*Based on Cisco IT Projections Cisco IT has already gained cost efficiencies through UCS. These are incremental savings with ACI..

Delivering Business Outcomes

Page 43: Unifying the Data Center: Innovation that Drive Business Outcomes · Unifying the Data Center: Innovation that Drive Business Outcomes Darryl McKinnon Managing Director Cisco Data

Cisco Confidential 44 © 2015 Cisco and/or its affi l iates. All rights reserved.

Unprecedented Speed & Change – Cisco Commitment

Architectural

Focus

Application Centric

Focus

Customer

Focus

Page 44: Unifying the Data Center: Innovation that Drive Business Outcomes · Unifying the Data Center: Innovation that Drive Business Outcomes Darryl McKinnon Managing Director Cisco Data

Cisco Confidential 45 © 2015 Cisco and/or its affi l iates. All rights reserved.

Policy Based Architecture & Automation

Strike The Right Balance with Hybrid Cloud

Extend to the Edge

Open Architecture is a Must

Exploit your assets and differentiate with Cisco

Enjoy the DC Technical Sessions

Cisco Confidential 45

Closing Thoughts

Page 45: Unifying the Data Center: Innovation that Drive Business Outcomes · Unifying the Data Center: Innovation that Drive Business Outcomes Darryl McKinnon Managing Director Cisco Data

Cisco Confidential 46 © 2013-2014 Cisco and/or its affi liates. All rights reserved.

Modified quote from Wayne Gretzky – Hockey Hall of Famer to Vikings U9 Soccer Team by Coach Darryl

“A good soccer player plays where the ball is. A great soccer player plays where the ball is going to be.”

Page 46: Unifying the Data Center: Innovation that Drive Business Outcomes · Unifying the Data Center: Innovation that Drive Business Outcomes Darryl McKinnon Managing Director Cisco Data

Thank You!

Darryl McKinnon Managing Director Cisco Data Center, Asia Pacific & Japan

Wednesday 1st April 2015

@dc_darrylm