Cisco Spark Hybrid Call Services Architecture and Design
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- Molly Bradley
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2 BRKCOL-2202 Cisco Spark Hybrid Call Services Architecture and Design Luca Pellegrini Technical Marketing Engineer
3 Cisco Spark How Questions? Use Cisco Spark to communicate with the speaker after the session 1. Find this session in the Cisco Live Mobile App 2. Click Join the Discussion 3. Install Spark or go directly to the space 4. Enter messages/questions in the space cs.co/ciscolivebot#brkcol Cisco and/or its affiliates. All rights reserved. Cisco Public
4 Agenda Introduction Call Service Aware and Connect CSC Global Reachability CSC Call Anchoring Certificates DNS Service Discovery Dial Plan Identity Theft and Toll Fraud Prevention Shared Expressway for Hybrid and B2B Deployment Models Multiple Clusters SME Architecture HCS Deployment
5 Cisco Spark Services Suite A complete business collaboration service from the Cisco cloud that enables customers to message, meet, or call anyone, anywhere, and anytime. Cisco Spark Services* Cisco Spark Control Hub Cisco Spark Messaging Cisco Spark Meetings Cisco Spark Rooms Cisco Spark Board Cisco Spark Hybrid Calling Cisco Spark Care *Cisco Spark is hosted and operated by Cisco, and sold by partners BRKCOL Cisco and/or its affiliates. All rights reserved. Cisco Public 5
6 Integrating Premises and Cloud Windows Edge Platform WebEx Messenger Directory Calendar Call Future Media KMS Microsoft AD Exchange / Office 365 Cisco UCM * Future Hybrid Media Hybrid Data Security?? *Includes Business Edition or HCS BRKCOL Cisco and/or its affiliates. All rights reserved. Cisco Public 6
7 Integrating Premises and Cloud Windows Edge Platform WebEx Messenger Directory Calendar Call Future Media KMS Microsoft AD Exchange / Office 365 Cisco UCM * Future Hybrid Media Hybrid Data Security?? *Includes Business Edition or HCS BRKCOL Cisco and/or its affiliates. All rights reserved. Cisco Public 7
8 Integrating Premises and Cloud Windows Edge Platform WebEx Messenger Directory Calendar Call Future Media KMS Microsoft AD Exchange / Office 365 Cisco UCM * Future Hybrid Media Hybrid Data Security?? *Includes Business Edition or HCS BRKCOL Cisco and/or its affiliates. All rights reserved. Cisco Public 8
9 Integrating Premises and Cloud Windows Edge Platform WebEx Messenger Directory Calendar Call Future Media KMS Microsoft AD Exchange / Office 365 Cisco UCM * Future Hybrid Media Hybrid Data Security?? *Includes Business Edition or HCS BRKCOL Cisco and/or its affiliates. All rights reserved. Cisco Public 9
10 Integrating Premises and Cloud Windows Edge Platform WebEx Messenger Directory Calendar Call Future Media KMS Microsoft AD Exchange / Office 365 Cisco UCM * Future Hybrid Media Hybrid Data Security?? *Includes Business Edition or HCS BRKCOL Cisco and/or its affiliates. All rights reserved. Cisco Public 10
11 Integrating Premises and Cloud Windows Edge Platform WebEx Messenger Directory Calendar Call Future Media KMS Microsoft AD Exchange / Office 365 Cisco UCM * Future Hybrid Media Hybrid Data Security?? *Includes Business Edition or HCS BRKCOL Cisco and/or its affiliates. All rights reserved. Cisco Public 11
12 Hybrid Service Architecture Microsoft Exchange Active Directory HTTP Proxy Internal FW DMZ FW SIP signaling and media Internet Cisco Unified CM Expressway-E BRKCOL Cisco and/or its affiliates. All rights reserved. Cisco Public 12
13 Hybrid Service Architecture Microsoft Exchange Active Directory HTTP Proxy Internal FW DMZ FW SIP signaling and media Internet Cisco Unified CM Expressway-E BRKCOL Cisco and/or its affiliates. All rights reserved. Cisco Public 13
14 Hybrid Service Architecture Microsoft Exchange Active Directory Directory Connector HTTP Proxy Internal FW DMZ FW SIP signaling and media Internet Cisco Unified CM Expressway-E BRKCOL Cisco and/or its affiliates. All rights reserved. Cisco Public 14
15 Hybrid Service Architecture Microsoft Exchange Active Directory Directory Connector HTTP Proxy Directory Connector Internal FW DMZ FW SIP signaling and media Internet Cisco Unified CM Expressway-E BRKCOL Cisco and/or its affiliates. All rights reserved. Cisco Public 15
16 Hybrid Service Architecture Connector Host Microsoft Exchange Active Directory Directory Connector HTTP Proxy Directory Connector Internal FW DMZ FW SIP signaling and media Internet Cisco Unified CM Expressway-E BRKCOL Cisco and/or its affiliates. All rights reserved. Cisco Public 16
17 Hybrid Service Architecture Connector Host Management Connector Microsoft Exchange Active Directory Directory Connector HTTP Proxy Management Connector Directory Connector Internal FW DMZ FW SIP signaling and media Internet Cisco Unified CM Expressway-E BRKCOL Cisco and/or its affiliates. All rights reserved. Cisco Public 17
18 Hybrid Service Architecture Connector Host Management Connector Calendar Connector Microsoft Exchange Active Directory Directory Connector HTTP Proxy Management Connector Calendar Connector Directory Connector Internal FW DMZ FW SIP signaling and media Internet Cisco Unified CM Expressway-E BRKCOL Cisco and/or its affiliates. All rights reserved. Cisco Public 18
19 Hybrid Service Architecture Connector Host Management Connector Calendar Connector Microsoft Exchange Active Directory Directory Connector HTTP Proxy AXL CTI-QBE Management Connector Calendar Connector Directory Connector Internal FW DMZ FW SIP signaling and media Internet Cisco Unified CM Expressway-E BRKCOL Cisco and/or its affiliates. All rights reserved. Cisco Public 19
20 Hybrid Service Architecture Connector Host Management Connector Calendar Connector Call Connector Microsoft Exchange Active Directory Directory Connector HTTP Proxy AXL CTI-QBE Management Connector Calendar Connector Call Connector Directory Connector Internal FW DMZ FW SIP signaling and media Internet Cisco Unified CM Expressway-E BRKCOL Cisco and/or its affiliates. All rights reserved. Cisco Public 20
21 Hybrid Service Architecture Connector Host Management Connector Microsoft Exchange Active Directory Calendar Connector Call Connector Directory Connector Hybrid Signaling for Directory, Calendar and Call over HTTPS HTTP Proxy AXL CTI-QBE Management Connector Calendar Connector Call Connector Directory Connector Internal FW DMZ FW SIP signaling and media Internet Cisco Unified CM Expressway-E BRKCOL Cisco and/or its affiliates. All rights reserved. Cisco Public 21
22 Hybrid Service Architecture Connector Host Management Connector Microsoft Exchange Active Directory Calendar Connector Call Connector Directory Connector Hybrid Signaling for Directory, Calendar and Call over HTTPS HTTP Proxy AXL CTI-QBE Management Connector Calendar Connector Call Connector Directory Connector Internal FW DMZ FW SIP signaling and media Internet Cisco Unified CM Expressway-E Firewall traversal architecture with Expressways for hybrid call signaling and media BRKCOL Cisco and/or its affiliates. All rights reserved. Cisco Public 22
23 Call Service Architecture Connector Host Management Connector Calendar Connector Call Connector Microsoft Exchange Active Directory Directory Connector HTTP Proxy AXL CTI-QBE Management Connector Calendar Connector Call Connector Directory Connector Internal FW DMZ FW SIP signaling and media Internet Cisco Unified CM Expressway-E BRKCOL Cisco and/or its affiliates. All rights reserved. Cisco Public 23
24 Call Service Architecture Connector Host Management Connector Calendar Connector Microsoft Exchange Call Connector Hybrid Signaling Active (AXL, Directory CTI-QBE Directory over Connector HTTPS) HTTP Proxy AXL CTI-QBE Management Connector Calendar Connector Call Connector Directory Connector Internal FW DMZ FW SIP signaling and media Internet Cisco Unified CM Expressway-E BRKCOL Cisco and/or its affiliates. All rights reserved. Cisco Public 24
25 Call Service Architecture Connector Host Management Connector Calendar Connector Microsoft Exchange Call Connector Hybrid Signaling Active (AXL, Directory CTI-QBE Directory over Connector HTTPS) HTTP Proxy AXL CTI-QBE Management Connector Calendar Connector Call Connector Directory Connector Internal FW DMZ FW SIP signaling and media Internet Cisco Unified CM SIP signaling and SRTP media Expressway-E BRKCOL Cisco and/or its affiliates. All rights reserved. Cisco Public 25
26 Call Service Aware and Connect
27 Call Service Aware & Call Service Connect Call Service Aware Call Service Connect Enables Cisco Spark users to share their screen using Spark Complements, and is aware, of Cisco UC calls and allows for Desktop Sharing Depends on Call Service Aware. Allows Cisco Spark users to call Cisco UC registered devices, as well as be called by Cisco UC users. Together with Call Service Aware, enables users to manage a unified Spark and UC call history from the Cisco Spark calls tab BRKCOL Cisco and/or its affiliates. All rights reserved. Cisco Public 27
28 Call Service Aware/Connect Addressing Cisco Spark Control Hub Cisco UCM Interface Spark RD RD Connector Host Shared Line Cisco Unified CM Aaron Goodman Aaron Goodman BRKCOL Cisco and/or its affiliates. All rights reserved. Cisco Public 28
29 Spark RD Provisioning Through Connector Host Each UCM cluster needs to be provisioned on Call Connector UCM needs User an application user with: Standard AXL API Access Standard CTI Allow Control of All Devices Standard CTI Enabled Standard CTI Allow Control of Phones supporting Connected Xfer and conf Standard CTI Allow Control of Phones supporting Rollover Mode Every end-user must have a directory URI CFQDN has to be set to a unique value Manual or Automatic Provisioning of Spark RD Remote Destinations always provisioned through the Connector Spark RD provisioned automatically using single Device Pool, Location, Calling Search Space, Rerouting CSS BRKCOL Cisco and/or its affiliates. All rights reserved. Cisco Public 29
30 Call Service Connect Global Reachability
31 UCM to UCM call UCM Releases where Spark RD is supported 12.0(1) with Connectors 11.5(1) SU (1a) SU Spark RD RD 10.5(2) SU Expressway-E Cisco Unified CM 3 bob@example.call.ciscospark.com 3 Internet 1 Dial bob@example.com or Alice Bob BRKCOL Cisco and/or its affiliates. All rights reserved. Cisco Public 31
32 Spark to Spark Call Calling Called Cisco Unified CM 3 Spark RD Alice RD bob@example.call.ciscospark.com Expressway-E bob@example.com 2 bob@example.com 2 Internet 4 4 bob@example.call.ciscospark.com cancelled Alice calls Bob alice@example.com Bob 2 BRKCOL Cisco and/or its affiliates. All rights reserved. Cisco Public 32
33 Call Service Connect Call Anchoring
34 Call Anchoring and Calling ID Preservation Single UCM cluster Alice Spark RD RD Alice s CSS: Internal and Local calls Bob bob@example.com BRKCOL Cisco and/or its affiliates. All rights reserved. Cisco Public 34
35 Call Anchoring and Calling ID Preservation Single UCM cluster Alice Calling Called Spark RD 1 alice@example.call.ciscospark.com bob@example.com RD alice@example.call.ciscospark.com Alice s CSS: Internal and Local calls Bob bob@example.com BRKCOL Cisco and/or its affiliates. All rights reserved. Cisco Public 35
36 Call Anchoring and Calling ID Preservation Single UCM cluster Alice Calling Called Spark RD 1 alice@example.call.ciscospark.com bob@example.com RD alice@example.call.ciscospark.com Alice s CSS: Internal and Local calls 2 Bob bob@example.com BRKCOL Cisco and/or its affiliates. All rights reserved. Cisco Public 36
37 Call Anchoring and Calling ID Preservation Single UCM cluster Alice Calling Called Spark RD 1 alice@example.call.ciscospark.com bob@example.com RD alice@example.call.ciscospark.com Alice s CSS: Internal and Local calls 2 Bob bob@example.com Call from: Alice alice@example.com BRKCOL Cisco and/or its affiliates. All rights reserved. Cisco Public 37
38 Call Anchoring and CSS Preservation Call Anchoring based on calling ID==RD Alice Spark RD RD 1 Calling ID Called ID Alice s CSS: Internal and Local calls bob@example.com PSTN Bob Spark RD 2 Calling Called Bob s CSS: All Calls RD bob@example.call.ciscospark.com 1 bob@example.call.ciscospark.com BRKCOL Cisco and/or its affiliates. All rights reserved. Cisco Public 38
39 PSTN Call Flow Line CSS: allow international calls Spark RD RD Called ID Calling ID Called ID Calling ID 3 4 Called ID Calling ID alice@example.call.ciscospark.com alice@example.call.ciscospark.com alice@example.com Alice Cisco Unified CM 2 Internet 2 Expressway-E 5 1 Called ID Calling ID PSTN audio or video GW BRKCOL Cisco and/or its affiliates. All rights reserved. Cisco Public 39
40 B2B Call Flow Called ID Calling ID Spark RD RD Alice Called ID Calling ID 3 4 Called ID Bob@xyz.com Calling ID alice@example.com 2 1 Dial: Bob@xyz.com Cisco Unified CM 2 Internet 5 Expressway-E 6 Called ID Bob@xyz.com Calling ID alice@example.com Bob@xyz.com BRKCOL Cisco and/or its affiliates. All rights reserved. Cisco Public 40
41 Certificates for Authentication and Encryption
42 Identity Verification Expressway-E and the Cloud need to trust each other Public certificates are the preferred way to trust the remote peer s identity Public CAs release certificates after the identity verification is successful CN and SAN in the certificate are used to check the identity of the remote peer A certificate that has been released for Cisco can t be released to another organization because it must prove that it owns the domain BRKCOL Cisco and/or its affiliates. All rights reserved. Cisco Public 42
43 TLS Handshake with Mutual Authentication Client hello Server hello followed by certificate Certificate Request Expressway-E Expressway-E checks the Cloud certificate for both inbound and outbound calls callservice.ciscospark.com must be included in the certificate presented by the Cloud BRKCOL Cisco and/or its affiliates. All rights reserved. Cisco Public 43
44 Cloud Certificate used in Spark Hybrid Scenarios Common name: l2sip-cfa-01.ciscospark.com SANs: l2sip-cfa-01.ciscospark.com, l2sip-cfa-01.wbx2.com, l2sip-cfa-01-web.wbx2.com, l2sipcfa-web.wbx2.com, callservice.ciscospark.com... Organization: Cisco Systems, Inc. Location: San Jose, CA, US Valid from November 16, 2016 to November 16, 2018 Serial Number: 08bd6c90982db954a d7dcb4b441b719b Signature Algorithm: sha256withrsaencryption Issuer: HydrantID SSL ICA G2 BRKCOL Cisco and/or its affiliates. All rights reserved. Cisco Public 44
45 Authenticating the Cloud: Inbound Calls Example DNS Zone (trunk to Cloud) 3 expe.example.com callservice.ciscospark.com Cloud Cert <Public Key> 2 expe.example.com ExpE Cert <Public Key> Expressway-E 1 Client hello BRKCOL Cisco and/or its affiliates. All rights reserved. Cisco Public 45
46 Certificates and certification authorities Recommended option: the Cloud will trust certificates signed by specific certification authorities by default The Cloud can be configured to trust (through manual upload): certificate signed by a private certification authority self-signed certificate certificate signed by a public CA that is not in the trusted list of the Cloud The Cloud will trust any of the above if: The CN or SAN includes the Expressway-E DNS name the CRL (if present) is publicly reachable from the Internet BRKCOL Cisco and/or its affiliates. All rights reserved. Cisco Public 46
47 Call Service Connect Service Discovery
48 TLS vs dedicated MTLS port on Expressway Any incoming TCP connection on port 5061 will use TLS. For B2B communications. Any incoming TCP connection on port 5062 will trigger the TLS handshake with Mutual Authentication. For Spark Hybrid Comunications BRKCOL Cisco and/or its affiliates. All rights reserved. Cisco Public 48
49 Standard SRV Records for SIP SRV record format for SIP TLS and MTLS are part of the same specification (RFC 5246) It doesn t exist a separate record for MTLS _sips._tcp.example.com 5061 TLS _sips._tcp.mtls.example.com 5062 TLS with Mutual Authentication _sip._tcp.example.com 5060 TCP Used for B2B TLS only Used in Spark Hybrid Services and MTLS _sip._udp.domain 5060 UDP BRKCOL Cisco and/or its affiliates. All rights reserved. Cisco Public 49
50 Enterprise Service Discovery for Spark Hybrid DNS SRV Use A-record IP Address/port Corporate Network Internet _sips._tcp.example.com B2B with TLS expe.example.com <public IP>:5061 _sips._tcp.mtls.example.com MTLS expe.example.com <public IP>: CFQDN: cucm.example.com 2 CUCM 6 Exp-C 5 Exp-E Alice calls Bob BRKCOL Cisco and/or its affiliates. All rights reserved. Cisco Public 50
51 Verified Domains SIP domains must be verified to prevent someone else to use that domain and mitigate impersonation theft SIP domains must be publicly routable (no internal.local as Directory URI domain) BRKCOL Cisco and/or its affiliates. All rights reserved. Cisco Public 51
52 Verification token 1 Get the token 2 Create the TXT record Test the TXT record 3 Cisco recommends to use the prefix cisco-ci-domain-verification= Followed by the token, i.e. cisco-ci-domainverification= abcdef abcdef abcdef abcdef BRKCOL Cisco and/or its affiliates. All rights reserved. Cisco Public 52
53 Inbound Calls: Authenticated vs Unauthenticated Traffic TLS with Mutual Authentication and Certificates on Expressway with DNS Zone expe.example.com Default zone Inbound trunk from any unknown destination Non-authenticated Traffic Certificate is NOT requested Internet Spark DNS Zone Trunk to Spark Hybrid Authenticated Traffic Certificate Requested CN/SAN=callservice.ciscospark.com Dedicated box to Hybrid Services: Block calls from Default Zone Shared box: apply rules to non-authenticated traffic to filter calls BRKCOL Cisco and/or its affiliates. All rights reserved. Cisco Public 53
54 Dial Plan
55 Route Header and Request URI The Cloud populates forked calls with CFQDN Route Header takes the precedence over the Request URI CFQDN: Enterprise parameter used in SIP routing decisions CFQDN must be different than Expressway system name, domain or DNS name Can t contain wildcards If wildcards are needed, you can add two entries, first of which won t contain wildcards: CQFDN: us-cm-pub.example.com *.example.com BRKCOL Cisco and/or its affiliates. All rights reserved. Cisco Public 55
56 Home Cluster Routing: Route Headers and Request URIs Cluster Fully Qualified Domain Name EMEA Cluster Directory URI Destination in Route Header with Connectors emea-cucm-pub.example.com emea-cucm-pub.example.com Call Connector us-cucm.pub.example.com 4 us-cucm-pub.example.com Expressway-E 3 INVITE Request URI sip:bob@example.com Route header sip:us-cucm-pub.example.com 2 alice@example.com US Cluster Calls Bob 1 Cluster Fully Qualified Domain Name Alice s Cisco Spark Client BRKCOL Cisco and/or its affiliates. All rights reserved. Cisco Public 56
57 Spark Dial Plan with multiple UCM clusters From Spark to UCM From UCM to Spark Priority Rule Name Protocol Source Mode Target 50 Spark inbound Any Spark DNS Zone Any alias Spark Traversal Server 60 Spark outbound Any Spark Traversal Server Any alias Spark DNS Zone CUCM_US Spark Traversal Zone Expressway-E CUCM_EMEA Priority Rule Name Protocol Source Mode Target 50 Spark inbound US Any Any Prefix: us-cm-pub.example.com 50 Spark inbound EMEA Any Any Prefix: emea-cm-pub.example.com 60 Spark outbound Any Any UCM_US UCM_EMEA Spark Traversal Server BRKCOL Cisco and/or its affiliates. All rights reserved. Cisco Public 57
58 Identity Theft and Toll Fraud Prevention
59 Simulating a Spark Hybrid identity through a B2B connection alice@example.com Spark-RD alice@example.call.ciscospark.com Internet Bob 3 Expressway-E 1 Call from Alice Cisco Unified CM 2 Hacker simulating Alice with calling ID: alice@example.call.ciscospark.com dials: bob@example.com 1. Hacker simulates Bob s SIP Spark Address with Spark SIP address and dials to Alice, or to PSTN Because he can t use the cloud certificate, the call will enter into the Default Zone BRKCOL Cisco and/or its affiliates. All rights reserved. Cisco Public 59
60 PSTN Call Allowed Based on Alice's CSS Spark-RD Internet Alice 3 Expressway-E 1 Cisco Unified CM 2 Hacker simulating Alice with calling ID: alice@example.call.ciscospark.com dials: PSTN Alice Office +1(408) BRKCOL Cisco and/or its affiliates. All rights reserved. Cisco Public 60
61 Expressway Mitigating Toll Fraud Traversal Server Zone Spark DNS Zone Authenticated Authenticated B2B Zone authentication policy sets authenticated (P-Asserted Identity trusted in the Spark DNS Zone) or unauthenticated traffic (PAI removed from calls hitting the Default Zone) Call policy rules applied to the source zone or to unauthenticated traffic BRKCOL Cisco and/or its affiliates. All rights reserved. Cisco Public 61
62 Checking the calling alias Any call with a Call ID containing example.call.ciscospark.com will enter into the Default Zone From Address Rule Applies To Source Pattern Destination Pattern Action Unauthenticated (.*)@example\.call\.ciscospark\.com.*.* Reject BRKCOL Cisco and/or its affiliates. All rights reserved. Cisco Public 62
63 2 nd Line of Defense: Trusted Identity on UCM Traversal client, server and UCM neighbor zone will preserve PAI if Authentication policy is set to check credentials or treat as authenticated Trunk on UCM 12 set to Trust PAI Only : UCM will trust the identity and anchor the call only if it has PAI. For calls with PAI, CSS of the line will be used to route the call For calls without PAI, CSS of the trunk will be used to route the call CUCM Expressway-E SIP messages PAI SIP messages PAI SIP messages B2B BRKCOL Cisco and/or its affiliates. All rights reserved. Cisco Public 63
64 Demo
65 Deployment Models
66 Expressway Cluster Capacity and Expressway-E used for media can clustered following Expressway clustering guidelines Up to 6 servers in the same cluster in 2:1 redundancy All servers active Cluster capacity: 4 times the capacity of the single box due to 2:1 redundancy model Connector Host 1:1 redundancy for Calendar and Call Connect All servers active BRKCOL Cisco and/or its affiliates. All rights reserved. Cisco Public 66
67 Connectors and Media on a Shared Active Directory Connector Host Microsoft Exchange Directory Connector Directory Connector Cisco Unified CM Management Connector Calendar Connector Call Connector Internal FW DMZ FW SIP signaling and media Internet Expressway-E BRKCOL Cisco and/or its affiliates. All rights reserved. Cisco Public 67
68 Connectors and Media on a Shared Active Directory Microsoft Exchange Directory Connector Directory Connector Cisco Unified CM Management Connector Calendar Connector Call Connector Connector Host Internal FW DMZ FW SIP signaling and media Internet Expressway-E BRKCOL Cisco and/or its affiliates. All rights reserved. Cisco Public 68
69 Connectors and Media on a Shared Active Directory Microsoft Exchange Directory Connector Directory Connector Cisco Unified CM Management Connector Calendar Connector Call Connector Connector Host Internal FW DMZ FW SIP signaling and media Internet Expressway-E BRKCOL Cisco and/or its affiliates. All rights reserved. Cisco Public 69
70 Connectors and Media on a Shared Microsoft Exchange Directory Connector Active Directory Connector Host services and SIP Signaling and Media for Hybrid Services only Scalability for MRA and B2B together with Connector is not tested Directory Connector Cisco Unified CM Management Connector Calendar Connector Call Connector Internal FW DMZ FW SIP signaling and media Internet Expressway-E BRKCOL Cisco and/or its affiliates. All rights reserved. Cisco Public 70
71 Capacity for Connector Host dedicated to Connector Hosting: 5000 users with medium OVA per server users with medium OVA per 6-peer cluster Testing in progress! shared together with SIP signaling and media for Hybrid Services (no MRA, B2B) 500 users with small OVA 2000 users with medium OVA and 2 servers cluster Testing in progress! BRKCOL Cisco and/or its affiliates. All rights reserved. Cisco Public 71
72 BE6000H Example Configuration for 500 Users with Shared Connector Host Unified CM Directory 1000 Users OVA Connector(1) BE6000H Primary Unity Connection Expy-C Small OVA Expy-E Small OVA Prime BE6000H Secondary (1) Directory Connector can be deployed with HA BRKCOL Cisco and/or its affiliates. All rights reserved. Cisco Public 72
73 BE7000 Example Configuration for 2,000 users and Shared Connector Host UCM Cluster 2500 Users OVA sub1 tftp1 BE7000H Primary Unity Connection Exp-C Medium OVA Exp-E Medium OVA sub2 tftp2 BE7000H Secondary pub CER Directory Connector Prime BE7000H Tertiary BRKCOL Cisco and/or its affiliates. All rights reserved. Cisco Public 73
74 Architecture for 10,000 Users Connector Host Medium OVA Cisco Unified CM Cluster 7500 Users OVA TFTP Call Control Large OVA Clusters Expressway-E Large OVA Clusters Publisher Directory Connector BRKCOL Cisco and/or its affiliates. All rights reserved. Cisco Public 74
75 Multiple Clusters
76 Dual Clusters Outbound Calls Connector Host Connector Host CUCM Signaling Media Expressway-E Expressway-E BRKCOL Cisco and/or its affiliates. All rights reserved. Cisco Public 76
77 Inbound Calls with Two Datacenters Call can be sent in one of the two datacenters; this is achieved through the use of DNS SRV with equal weight and priority for all Expressway-E servers in both datacenters Route Header contains the information of the calling user s home cluster Every Expressway-E is configured to send the call to the associated or to the remote Expressway-E based on the Route Header BRKCOL Cisco and/or its affiliates. All rights reserved. Cisco Public 77
78 Inbound Calls: Called and Calling on Same Cluster DNS Configuration CUCM EMEA EMEA Site emea-expe.example.com DNS SRV Target Priority Weight _sips._tcp.mtls.example.com emea-expe.example.com CUCM US us-expe.example.com US Site Calls are sent to EMEA cluster BRKCOL Cisco and/or its affiliates. All rights reserved. Cisco Public 78
79 Inbound Calls: Called and Calling on Same Cluster Signaling EMEA Site Rule Target Directory URI Destination in Route Header emea-cm-pub.example.com EMEA us-cm-pub.example.com us-cm-pub.example.com Expressway-E US us-cm-pub.example.com emea-expe.example.com 2. INVITE to Expressway: Alice 2. Route to US Expressway Route Header: us-cm-pub.example.com INVITE sip: From: 3. Route to home cluster us-expe.example.com 1. Alice calls Bob 4. Route to destination Rule us-cm-pub.example.com Target US emea-cm-pub.example.com Expressway-E EMEA Bob US Site BRKCOL Cisco and/or its affiliates. All rights reserved. Cisco Public 79
80 Inbound Calls: Called and Calling on Same Cluster Media EMEA Site Rule Target Directory URI Destination in Route Header emea-cm-pub.example.com EMEA us-cm-pub.example.com us-cm-pub.example.com Expressway-E US us-cm-pub.example.com emea-expe.example.com Alice us-expe.example.com Bob Rule us-cm-pub.example.com emea-cm-pub.example.com US Site Target US Expressway-E EMEA BRKCOL Cisco and/or its affiliates. All rights reserved. Cisco Public 80
81 Directory Expressway Architecture for N > 3 Sites UCM1 UCM2 UCM3 UCM4 Expc1 Expc2 Rule cm1.example.com Target expe1.example.com Expc3 Expc4 cm2.example.com expe2.example.com cm3.example.com expe3.example.com cm4.example.com expe4.example.com Expe1 Expe2 Expe3 Expe4 Dir Expe Corporate Network Call with Route Header cm3.example.com signaling media Internet BRKCOL Cisco and/or its affiliates. All rights reserved. Cisco Public 81
82 Multiple Cluster Depoyment Models UCM cluster3 Connector Host Region 1 UCM Expressway-E Expressway-E UCM cluster2 Connector Host Connector Host Region 2 UCM Expressway-E UCM cluster1 Regional UCM Expressways and Connector Hosts Multiple UCM, Single Expressways and Connector Host Region 1 UCM Expressway-E Rule of Thumb: Connector Host Region 2 UCM Expressway-E Connector Host clusters = Expressway clusters used for SIP Signaling and Media Regional UCM, Single Connector Host and Multiple Expressways BRKCOL Cisco and/or its affiliates. All rights reserved. Cisco Public 82
83 SME Architecture With UCM 12 and Above
84 SME Architecture for N >=3 Sites UCM EMEA UCM APJC UCM US Connector Host SME 12.X Connector Host Connector Host CFQDN of UCM Clusters/SIP Route Patterns us-cm-pub.example.com Destination UCM_US emea-cm-pub.example.com UCM_EMEA Expressway-E apjc-cm-pub.example.com UCM_APJC Internet BRKCOL Cisco and/or its affiliates. All rights reserved. Cisco Public 84
85 Call Flow: Signaling Bob UCM EMEA Alice UCM APJC UCM US Connector Host Connector Host SME Connector Host 1. INVITE from Expressway-E: Route Header: us-cm-pub.example.com INVITE sip: From: CTI/AXL SIP BRKCOL Cisco and/or its affiliates. All rights reserved. Cisco Public 85
86 HCS Deployment
87 HCS Architecture with Multitenant Expressway-E Internet Partner Data Center Customer Prem Partner DMZ Shared Expressway-E Cluster SIP Calls Customer 1 VRF Customer 1 On-Prem Directory Connector Spark clients Cisco Collaboration Cloud (Spark) SIP Calls Connector HTTP Connector HTTP P r o x y P r o x y Customer 2 VRF Directory Connector Customer 2 On-Prem BRKCOL Cisco and/or its affiliates. All rights reserved. Cisco Public 87
88 Mid-Size Customers: Setup for 20,000 HCS Users Internet Partner Data Center Customer Prem 50 tenants per Expressway-E Cluster Partner DMZ Users with 6xLarge OVA SIP Calls Customer 1 VRF 1000 users with 2xMedium OVA Customer 1 On-Prem P r o x y Customer 2 VRF 500 users with 2xSmall OVA on BE6K Customer 1 On-Prem Spark clients SIP Calls Cisco Collaboration Cloud (Spark) Connector HTTP Connector HTTP P r o x y P r o x y Customer 3 VRF 300 users with 2xSmall OVA Customer 2 On-Prem BRKCOL Cisco and/or its affiliates. All rights reserved. Cisco Public 88
89 Small-Size Customers: Setup for 5,000 HCS Users Internet Partner Data Center Customer Prem 50 tenants per Expressway-E Cluster Partner DMZ Users with 6xMedium OVA SIP Calls Customer 1 VRF 100 users with 1xSmall OVA on a BE6K Customer 1 On-Prem SIP Calls P r o x y Customer 2 VRF 200 users with 2xSmall OVA on BE6K Customer 1 On-Prem Spark clients SIP Calls Cisco Collaboration Cloud (Spark) Connector HTTP Connector HTTP P r o x y P r o x y Customer 3 VRF 100 users with 1xSmall OVA Customer 2 On-Prem BRKCOL Cisco and/or its affiliates. All rights reserved. Cisco Public 89
90 Summary Call Service Connect Focus Security, Authentication and Toll Fraud/Identity Theft Prevention Architecture BRKCOL Cisco and/or its affiliates. All rights reserved. Cisco Public 90
91 Cisco Spark How Questions? Use Cisco Spark to communicate with the speaker after the session 1. Find this session in the Cisco Live Mobile App 2. Click Join the Discussion 3. Install Spark or go directly to the space 4. Enter messages/questions in the space cs.co/ciscolivebot#brkcol Cisco and/or its affiliates. All rights reserved. Cisco Public
92 Please complete your Online Session Evaluations after each session Complete 4 Session Evaluations & the Overall Conference Evaluation (available from Thursday) to receive your Cisco Live T-shirt All surveys can be completed via the Cisco Live Mobile App or the Communication Stations Complete Your Online Session Evaluation Don t forget: Cisco Live sessions will be available for viewing on-demand after the event at Cisco and/or its affiliates. All rights reserved. Cisco Public
93 Continue Your Education Demos in the Cisco campus Walk-in Self-Paced Labs Tech Circle Meet the Engineer 1:1 meetings Related sessions BRKCOL Cisco and/or its affiliates. All rights reserved. Cisco Public 93
94 Thank you
95
96 DNS SRV Tutorial
97 DNS SRV Records Refresher SRV record format for SIP _sips. _tcp.example.com IN expe.example.com SRV Name of the service Protocol and domain name (TCP, UDP...) DNS Time-To-Live: how much time the server caches the record before it flushes the cache DNS Class. Always IN Priority: Lowest priority means preferred. Port: TCP or Weight: loadbalances records UDP port for the service with same priority Target: hostname or IP Address for the host Providing the service BRKCOL Cisco and/or its affiliates. All rights reserved. Cisco Public 97
98 Service Discovery _sips._tcp.example.com IN SRV bigbox.example.com. _sips._tcp.example.com IN SRV smallbox.example.com. _sips._tcp.example.com IN SRV backupbox.example.com. Smallbox Backupbox Bigbox Dial: luca@example.com BRKCOL Cisco and/or its affiliates. All rights reserved. Cisco Public 98
99 Service Discovery _sips._tcp.example.com IN SRV bigbox.example.com. _sips._tcp.example.com IN SRV smallbox.example.com. _sips._tcp.example.com IN SRV backupbox.example.com. Smallbox Backupbox Bigbox _sips._tcp.example.com? Dial: luca@example.com BRKCOL Cisco and/or its affiliates. All rights reserved. Cisco Public 99
100 Service Discovery _sips._tcp.example.com IN SRV bigbox.example.com. _sips._tcp.example.com IN SRV smallbox.example.com. _sips._tcp.example.com IN SRV backupbox.example.com. Smallbox Backupbox Bigbox Dial: luca@example.com BRKCOL Cisco and/or its affiliates. All rights reserved. Cisco Public 100
101 Service Discovery _sips._tcp.example.com IN SRV bigbox.example.com. _sips._tcp.example.com IN SRV smallbox.example.com. _sips._tcp.example.com IN SRV backupbox.example.com. Smallbox Backupbox 40% Bigbox 60% Dial: luca@example.com BRKCOL Cisco and/or its affiliates. All rights reserved. Cisco Public 101
102 Service Discovery _sips._tcp.example.com IN SRV bigbox.example.com. _sips._tcp.example.com IN SRV smallbox.example.com. _sips._tcp.example.com IN SRV backupbox.example.com. Smallbox Backupbox 40% Bigbox 60% Dial: luca@example.com BRKCOL Cisco and/or its affiliates. All rights reserved. Cisco Public 102
103 Service Discovery _sips._tcp.example.com IN SRV bigbox.example.com. _sips._tcp.example.com IN SRV smallbox.example.com. _sips._tcp.example.com IN SRV backupbox.example.com. Smallbox Backupbox 40% Bigbox 60% Dial: luca@example.com BRKCOL Cisco and/or its affiliates. All rights reserved. Cisco Public 103
104 Service Discovery _sips._tcp.example.com IN SRV bigbox.example.com. _sips._tcp.example.com IN SRV smallbox.example.com. _sips._tcp.example.com IN SRV backupbox.example.com. Smallbox Backupbox Bigbox Dial: luca@example.com BRKCOL Cisco and/or its affiliates. All rights reserved. Cisco Public 104
105 Real Scenario _sips._tcp.example.com IN SRV expe1.example.com. _sips._tcp.example.com IN SRV expe2.example.com. _sips._tcp.example.com IN SRV expe3.example.com. expe3.example.com expe2.example.com 33% 33% expe1.example.com 33% Dial: BRKCOL Cisco and/or its affiliates. All rights reserved. Cisco Public 105
106 Enterprise Service discovery for B2B DNS SRV Use A-record IP Address/port Corporate Network Internet _sips._tcp.example.com B2B with TLS expe.example.com <public IP>:5061 _sips._tcp.mtls.example.com MTLS expe.example.com <public IP>: CUCM 2 3 party Edge 6 Exp-C 5 Exp-E Call: bob@example.com BRKCOL Cisco and/or its affiliates. All rights reserved. Cisco Public 106
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